Icom IC-2100H Manual
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Side 1/144

INSTRUCTION MANUAL
i2100H
144 MHz FM TRANSCEIVER
This device complies with Part 15 of the FCC rules. Operation is sub-
ject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.


ii
FOREWORD
Thank you for purchasing this Icom product. The IC-2100H/-T
144 MHz FM TRANSCEIVER is designed and built with Icom’s
superior technology and craftsmanship. With proper care this
product should provide you with years of trouble-free operation.
IMPORTANT
READ ALL INSTRUCTIONS carefully and com-
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL—This in-
struction manual contains important operating instructions for
the IC-2100H/-T.
EXPLICIT DEFINITIONS
RWARNING! NEVER connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
RWARNING! NEVER operate the transceiver while
driving a vehicle. Safe driving requires your full attention—
anything less may result in an accident.
NEVER connect the transceiver to a power source of more
than 16 V DC. This will ruin the transceiver.
NEVER connect the transceiver to a power source using
reverse polarity. This will ruin the transceiver.
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the transceiver may be damaged.
NEVER place the transceiver where normal operation of
the vehicle may be hindered or where it could cause bodily
injury.
NEVER let objects impede the operation of the cooling fan
on the rear panel.
DO NOT push the PTT when not actually desiring to transmit.
DO NOT allow children to play with any radio equipment
containing a transmitter.
WORD DEFINITION
RWARNING Personal injury, fire hazard or electric
shock may occur.
CAUTION Equipment damage may occur.
NOTE If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
CAUTIONS


During mobile operation, DO NOT operate the transceiver
without running the vehicle’s engine. When transceiver power
is ON and your vehicle’s engine is OFF, the vehicle’s battery
will soon become exhausted.
BE CAREFUL! The transceiver will become hot when
operating it continuously for long periods.
AVOID using or placing the transceiver in direct sunlight or
in areas with temperatures below –10°C (+14°F) or above
+60°C (+140°F).
AVOID the use of chemical agents such as benzine or al-
cohol when cleaning, as they can damage the transceiver’s
surfaces.
USE Icom microphones only (supplied or optional). Other
manufacturer’s microphones have different pin assignments
and may damage the transceiver if attached.
For U.S.A. only
Caution: Changes or modifications to this transceiver, not ex-
pressly approved by Icom Inc., could void your authority to
operate this transceiver under FCC regulations.
iii
SUPPLIED ACCESSORIES
➀DC power cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
➁Mobile mounting bracket . . . . . . . . . . . . . . . . . . . . . . . . . 1
➂Microphone (HM-118T*) . . . . . . . . . . . . . . . . . . . . . . . . . 1
➃Fuse (20 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
➄Mounting screws, nuts and washers . . . . . . . . . . . . . 1 set
➅Mic hanger (depending on version) . . . . . . . . . . . . . . . . 1
*The microphone illustrated above is the HM-118T.
HM-97 . . . . . . . . . . . . Europe versions
HM-98S . . . . . . . . . . . USA, Taiwan versions
HM-118 . . . . . . . . . . . Asia, Australia versions
HM-118T . . . . . . . . . . Thailand, Latin America, Korea versions
HM-118TA . . . . . . . . . some USA versions
➀ ➁ ➂
➃
➄
1
4
7 8
0
M#
9 C
D
5 6 B
2 3 A


iv
FOREWORD ................................................................................... ii
IMPORTANT .................................................................................... ii
EXPLICIT DEFINITIONS ................................................................. ii
CAUTIONS ...................................................................................... ii
SUPPLIED ACCESSORIES ........................................................... iii
TABLE OF CONTENTS .................................................................. iv
1 PANEL DESCRIPTION .......................................................... 1–8
■ Front panel .............................................................................. 1
■ Function display ...................................................................... 3
■ Rear panel .............................................................................. 5
■ Microphone ............................................................................. 6
■ Microphone keypad ................................................................. 7
2 INSTALLATION .................................................................... 9–11
■ Location .................................................................................. 9
■ Using the mounting bracket .................................................... 9
■ Battery connection ................................................................ 10
■ DC power supply connection ................................................ 10
■ Antenna installation ............................................................... 11
3 SETTING A FREQUENCY ................................................. 12–16
■ Preparation ........................................................................... 12
■ Lock functions ....................................................................... 13
■ Using the tuning dial ............................................................. 14
■ Using the [Y Z]/[ ] keys .......................................................... 14
■ Tuning step selection ............................................................ 15
■ Using the keypad .................................................................. 16
TABLE OF CONTENTS
4 BASIC OPERATION .......................................................... 17–19
■ Receiving .............................................................................. 17
■ Monitor function .................................................................... 17
■ Audio mute function .............................................................. 17
■ Transmitting .......................................................................... 18
■ Selecting output power ......................................................... 18
■ One-touch PTT function ........................................................ 19
5 REPEATER OPERATION .................................................. 20–24
■ Accessing a repeater ............................................................ 20
■ Subaudible tones .................................................................. 22
■ Offset frequency .................................................................... 23
■ Auto repeater ........................................................................ 24
■ Repeater lockout ................................................................... 24
6 MEMORY OPERATION ...................................................... 25–30
■ General description ............................................................... 25
■ Memory channel selection .................................................... 25
■ Programming a memory channel .......................................... 26
■
Programming a memory channel via the microphone ........... 27
■ Transferring memory contents .............................................. 28
■ Clearing a memory ................................................................ 29
■ Alphanumeric display ............................................................ 30
7 CALL CHANNEL OPERATION ......................................... 32–33
■ Calling up the call channel .................................................... 32
■ Transferring call channel contents ........................................ 32
■ Programming the call channel .............................................. 33


v
8 SCRATCH PAD MEMORY ................................................. 34–35
■ What is scratch pad memory? .............................................. 34
■ Calling up a scratch pad memory ......................................... 34
■ Transferring scratch pad memory contents ........................... 35
9 SCAN OPERATION ........................................................... 36–41
■ Scan types ............................................................................ 36
■ Scan start/stop ...................................................................... 37
■ Programming scan edges ..................................................... 38
■ Programming scan edges via the microphone ...................... 39
■ Skip channel setting .............................................................. 40
■ Scan resume condition ......................................................... 41
10 PRIORITY WATCH ............................................................ 42–43
■ Priority watch types ............................................................... 42
■ Priority watch operation ........................................................ 43
11 DTMF MEMORY ENCODER ............................................. 44–45
■ Programming a DTMF code .................................................. 44
■ Transmitting a DTMF code .................................................... 45
■ DTMF speed ......................................................................... 45
12 POCKET BEEP AND TONE SQUELCH ........................... 46–48
■ Pocket beep operation .......................................................... 46
■ Tone operation ...................................................................... 47
■ Tone scan .............................................................................. 48
13 WIRELESS OPERATION .................................................. 49–54
■ Connection ............................................................................ 49
■ HM-90
WIRELESS MICROPHONE
.............................................. 49
■ EX-1759 installation .............................................................. 50
■ HM-90 switches .................................................................... 51
■ Microphone address ............................................................. 54
14 OTHER FUNCTIONS ......................................................... 55–59
■ Beep tones ON/OFF ............................................................. 55
■ Time-out timer ....................................................................... 55
■ Auto power-off ....................................................................... 56
■ Squelch delay ....................................................................... 56
■ Microphone [F-1]/[F-2] keys .................................................. 57
■ Demonstration display .......................................................... 57
■ Display color ......................................................................... 58
■ Display dimmer ..................................................................... 58
■ FM narrow mode ................................................................... 58
■ Data cloning .......................................................................... 59
15 MAINTENANCE ................................................................. 60–62
■ Troubleshooting .................................................................... 60
■ Fuse replacement ................................................................. 62
■ Partial CPU resetting ............................................................ 62
■ Resetting the CPU ................................................................ 62
16 SPECIFICATIONS ................................................................... 63
17 OPTIONS ........................................................................... 64–65
18 MODE ARRANGEMENT ................................................... 66–67


2
1PANEL DESCRIPTION
rVOLUME CONTROL [VOL]
Adjusts the audio level. (p. 18)
tTUNING DIAL
Selects the operating frequency (p. 15), the memory
channel (p. 26), the contents of the set mode display
and the scanning direction (p. 37).
yVFO/MHz SWITCH [V/MHz(SCAN)]
➥Selects and toggles VFO mode and the 1 MHz/10
MHz/TS tuning display. (p. 15)
➥Starts a scan when pushed and held for 1 sec.
(p. 37)
■Front panel
qSELECT MEMORY/MEMORY WRITE SWITCH
[S.MW(MW)]
➥Selects a memory channel for programming. (p. 26)
➥Programs selected memory when pushed and held.
(p. 27)
wPOWER SWITCH [PWR]
Turns power ON and OFF when pushed momentarily.
eSQUELCH CONTROL [SQL]
Varies the squelch level. (p. 18)
• The RF attenuator activates and increases the attenuation when
rotated clockwise to the center position and further.
SQL
VOL
PWR
S.MW
MW
Function display (p. 4)
uio!0!1!2
q
w e r t
y
SCANPRIOTDUPANMLOCK
SCAN
V MHz
/
CALLMTONELOWMONISET
LOW
MID
NAR
MUTE
DUP T SQL PRIO AO BUSY
/
M
T X
SKIP
9
5
1


3
1
PANEL DESCRIPTION
uMEMORY/CALL CHANNEL SWITCH [M/CALL(PRIO)]
➥Selects and toggles memory mode or the call channel.
(pgs. 26, 32)
➥Activates the priority watch function when pushed and
held. (p. 42)
iTONE/TONE SCAN SWITCH [TONE(T-SCAN)]
➥Each push selects a tone function. (p. 46)
• Tone encoder, pocket beep, tone squelch or tone func-
tion OFF can be selected.
➥Push and hold to start/stop the tone scan function.
(p. 48)
oOUTPUT POWER/DUPLEX SWITCH [LOW(DUP)]
➥Each push changes the output power selection. (p. 19)
• There are 3 output powers available: low, mid and high
(the IC-2100-T Thailand and IC-2100H Taiwan versions have
only 2 output powers).
➥Push and hold to select a duplex setting. (p. 21)
• There are 3 duplex settings available: minus duplex
(“DUP–” appears), plus duplex (“DUP” appears) and
simplex (no indicator appears).
!0 MONITOR/ALPHANUMERIC SWITCH [MONI(ANM)]
➥Toggles squelch opened and closed when pushed.
(p. 18)
➥In memory and call channel mode, toggles the alphanu-
meric channel indication ON and OFF. (p. 31)
!1 SET/LOCK SWITCH [SET(LOCK)]
➥Selects set mode when pushed.
➥Toggles the lock function ON and OFF when pushed
and held. (p. 14)
!2 MICROPHONE CONNECTOR
Connects the supplied microphone. (p. 7)
DMicrophone connector (front panel view)
➀+8 V DC output
➁Frequency up/down
➂NC (no connection)
➃PTT
➄GND (microphone ground)
➅MIC (microphone input)
➆GND
➇NC (no connection)
➀ ➇


4
1PANEL DESCRIPTION
■ Function display
q TRANSMIT INDICATOR
➥Appears while transmitting. (p. 19)
➥Flashes while transmitting with the one-touch PTT func-
tion. (p.20)
w DUPLEX INDICATORS (p. 21)
“DUP–” or “DUP” appears during semi-duplex operation
(repeater operation).
e TONE INDICATORS
➥“T” appears while the subaudible tone encoder is in use.
(p. 21)
➥“T SQL” appears while the tone squelch function is in
use. (p.47)
➥“T SQLS” appears while the pocket beep function is
in use. (p. 46)
r PRIORITY WATCH INDICATOR (p. 42)
Appears while the priority watch is activated; ashes while
the watch is paused.
t AUTO POWER-OFF INDICATOR (p. 56)
Appears while the auto power-off function is in use.
y BUSY INDICATOR (p. 18)
Appears when a signal is being received or the squelch is
open ([MONI] is pushed).
u FREQUENCY READOUT
Shows the operating frequency, alphanumeric names, set
mode contents, etc.
• Frequency decimal point ashes while scanning. (p. 37)
SCANPRIOTDUPANMLOCK
SCAN
V MHz
/
CALLMTONELOWMONISET
LOW
MID
NAR
MUTE
DUP T SQL PRIO AO BUSY
/
M
T X
SKIP
9
5
1
!3
!5
w e i
!2
q r t y u
o
!0
!1
!4


5
1
PANEL DESCRIPTION
• “d” appears in place of the 100 MHz digit while the DTMF mem-
ory function is in use. (p. 44)
i S/RF INDICATORS
➥Show the relative signal strength while receiving signals.
(p. 18)
➥Show the output power while transmitting. (p. 19)
o MEMORY INDICATOR (p.26)
Appears when memory mode is selected.
!0 MEMORY CHANNEL READOUTS
➥Show the selected memory channel numbers.
➥A capital “L” appears while the frequency lock function
is in use. (p. 14)
➥“C” appears while the call channel is selected. (p. 32)
➥One of “L1” to “L3” appears when a simplex scratch pad
memory is selected. (p. 34)
➥One of “r1” to “r3” appears when a duplex scratch pad
memory is selected. (p. 34)
➥A small “c” appears when VFO mode is selected from
the call channel or a scratch pad memory.
!1 SKIP INDICATOR
Appears when the displayed memory channel is specied
as a skip channel. (p. 40)
!2 SWITCH INDICATORS
Indicate the function(s) of the front panel switches directly
below the function display.
!3 OUTPUT POWER INDICATORS (p. 19)
➥“MID” appears when mid output power is selected.
• The IC-2100T Thailand and IC-2100H Taiwan versions have
no mid output power.
➥“LOW” appears when low output power is selected
➥Neither indicator appears when high output power is se-
lected.
!4 NARROW FM MODE INDICATOR
Appears when narrow FM mode is selected (available with
the Europe version only; p. 58).
!5 AUDIO MUTE INDICATOR
Appears when the audio mute function is activated via mi-
crophone control.
• This function is cancelled when any switch or control is operated.


e ANTENNA CONNECTOR [ANT]
Connects a 50 Ω antenna with a PL-259 connector and a
50 Ω coaxial cable.
6
1PANEL DESCRIPTION
■ Rear panel
q SPEAKER JACK [SP]
Accepts an 8 speaker.Ω
• Audio output power is more than 2.4 W.
w POWER RECEPTACLE [DC13.8V]
Accepts 13.8 V DC ±15% with the supplied DC power
cable.
• Current of 12 A or greater is required.
☞NOTE: DO NOT use a cigarette lighter socket as a
power source when operating in a vehicle. The plug may
cause voltage drops and ignition noise may be superim-
posed onto transmit or receive audio.
e
w
q


7
1
PANEL DESCRIPTION
■ Microphone (HM-98S*)
q UP/DOWN SWITCHES [Y Z]/[ ]
➥Push either switch to change operating frequency, mem-
ory channel, set mode contents, etc. (pgs. 15, 26)
➥Push and hold either switch to start scanning. (p. 37)
w PTT SWITCH
➥Push and hold to transmit; release to receive.
➥Toggles between transmitting and receiving while the
one-touch PTT function is in use. (p. 20)
LOCK
VFO
CALL
MR
MW
FUNC
A
CLR
D-OFF
B
SET
PTT-M
3
PRIO
DTMF
6
LOW
2
SCAN
5
MID
1
MONI
4
HIGH
T-OFF
C
ENT
TSQL
9
SIMP
16
KEY LOCK
#
TSQLS
8
DUP+
TONE-2
0
TONE
7
DUP–
TONE-1
F-2
F-1
B
DTMF-S
MUTE
D
Mic element
q
w
e r t
y
u
i
o
e VFO SWITCH [VFO(LOCK)]
➥Push to select VFO mode.
➥Push and hold to toggle the lock function ON and OFF.
(p. 14)
r MEMORY SWITCH [MR(CALL)]
➥Push to select memory mode. (p. 26)
➥Push and hold to select the call channel. (p. 32)
t ACTIVITY INDICATOR
➥Lights red while any key is pushed (except [FUNC] or
[DTMF-S].
➥Lights red while transmitting.
➥Lights green while the one-touch PTT function is in use.
y NULL SWITCH [B]
No function.
u FUNCTION SWITCHES [F-1]/[F-2] (p. 57)
Assign your desired key function from the front panel
switches.
• Default settings are [LOW] for [F-1] ([DUP] when pushed and
held) and [TONE] for [F-2] ([T-SCAN] when pushed and held).
i FUNCTION INDICATOR
➥Lights orange while [FUNC] is activated—indicates the
secondary function of switches can be accessed.
➥Lights green when [DTMF-S] is activated—DTMF sig-
nals can be transmitted with the keypad.
o KEYPAD
Used for controlling the transceiver, transmitting DTMF sig-
nals, etc. See the following 2 pages for details.
*
A different microphone
may be supplied depend-
ing on transceiver ver-


8
1PANEL DESCRIPTION
■ Microphone keypad
KEY FUNCTION
Toggles between opening and closing the
squelch.
Starts and stops scanning. (p. 37)
Starts and stops priority watch. (p. 42)
Selects high output power. (p. 19)
Selects mid output power. (p. 19)
Selects low output power (p. 19)
Selects –duplex. (p. 21)
Selects + duplex. (p. 21)
Selects simplex. (p. 21)
No primary function.
SECONDARY FUNCTION (after )
No secondary function.
No secondary function.
Turns the one-touch PTT function ON and
OFF. (p. 20)
No secondary function.
No secondary function.
Turns the DTMF memory encoder function
ON. (p. 44)
Turns the subaudible tone encoder ON.
(p. 21)
Turns the pocket beep function ON.
(p. 46)
Turns the tone squelch function ON.
(p. 46)
While being pushed, transmits a 1750 Hz
tone. (p. 22)
FUNC
OTHER FUNCTIONS
1
MONI
2
SCAN
PTT-M
3
PRIO
4
HIGH
5
MID
DTMF
6
LOW
TONE
7
DUP–
TSQLS
8
DUP+
TSQL
9
SIMP
TONE-2
0
After :
Transmit the appropriate
DTMF code or push [0] to
[9], [A] to [D] to transmit the
DTMF memory contents
when the DTMF memory
encoder is activated. (p. 22)
DTMF-S

9
1
PANEL DESCRIPTION
KEY FUNCTION
➥Clears a digit before entry. (p. 17)
➥Cancels the scan, priority watch or
DTMF memory function. (pgs. 16, 37,
43)
Enters set mode and advances the set
mode selection.
➥Sets the keypad for numeral input
(p. 17)
➥
Decreases the set mode selection order
after entering set mode.
No primary function.
No primary function.
No primary function.
SECONDARY FUNCTION (after )
➥Writes VFO contents into the memory
or call channel. (p. 29)
➥Advances the memory channel number
when continuously pushed after pro-
gramming is completed. (p. 28)
DTMF memory OFF.
Turns the subaudible tone encoder, pocket
beep or tone squelch OFF.(pgs. 21, 47, 46)
Mutes the audio. (p. 18)
• Mute function is released when any operation
is performed.
Locks the digit keys on the keypad (includ-
ing the A to D, # and M keys. (p. 14)
Sends a 1750 Hz tone signal for 0.5 sec.
(p. 22)
FUNC
OTHER FUNCTIONS
MW
A
CLR
D-OFF
B
SET
T-OFF
C
ENT
MUTE
D
16
KEY LOCK
#
TONE-1
M
After :
Transmit the appropriate
DTMF code. (p. 45)
DTMF-S
[A] to [D] transmit DTMF
memories. (p. 44)


10
2INSTALLATION
■ Location
Select a location which can support the weight of the trans-
ceiver and does not interfere with driving in any way. We rec-
ommend the locations shown in the diagram below.
NEVER place the transceiver where normal operation of the
vehicle may be hindered or where it could cause bodily injury.
NEVER place the transceiver where air bag deployment may
be obstructed.
DO NOT place the transceiver where hot or cold air blows di-
rectly onto it.
AVOID placing the transceiver in direct sunlight.
■ Using the mounting bracket
➀Drill 4 holes where the mounting bracket is to be installed.
• Approx. 5.5–6 mm ( 3⁄16") when using nuts; approx. 2–3 mm ( 1⁄16")
when using self-tapping screws.
➁Insert the supplied screws, nuts and washers through the
mounting bracket and tighten.
➂Adjust the angle for the clearest view of the function dis-
play.
• EXAMPLE INSTALLATION LOCATIONS
Nut
Spring washer
Flat washer
When using
self-tapping
screws
Spring
washer
Mounting
nut
Mounting
bracket


11
2
INSTALLATION
■ Battery connection
☞NEVER connect the transceiver directly to a 24 V battery.
☞DO NOT use the cigarette lighter socket for power con-
nections.
Attach a rubber grommet when passing the DC power cable
■ DC power supply connection
Use a 13.8 V DC power supply with more than 12 A capacity.
Make sure the ground terminal of the DC power supply is
grounded.
• CONNECTING TO A DC POWER SOURCE
• See p. 62 for fuse replacement.
• CONNECTING TO A DC POWER SUPPLY
• See p. 62 for fuse replacement.
Fuses
20 A
black
red⊕
red
Grommet
⊕
−
black
−
12 V
Supplied
DC power cable
DC power
supply 13.8 V
to an
AC
outlet
Fuses
20 A
black
red⊕
−
⊕
−


12
2INSTALLATION
■ Antenna installation
D Antenna location
To obtain maximum performance from the transceiver, select
a high-quality antenna and mount it in a good location. A non-
radial antenna should be used when using a magnetic mount.
D Antenna connector
The antenna uses a PL-259 connector.
Roof-mount antenna
(Drill a hole or use a magnetic mount.)
Gutter-mount antenna
Trunk-mount
antenna
• PL-259 CONNECTOR
➀Slide the coupling ring
down. Strip the cable
jacket and soft solder.
➁Strip the cable as
shown at right. Soft sol-
der the center conduc-
tor.
➂Slide the connector
body on and solder it.
➃Screw the coupling ring
onto the connector
body.
(10 mm ≈ 3⁄8 in)
30 mm
10 mm (soft solder)
10 mm
1–2 mm
solder solder
Soft
solder
Coupling ring


13
3
SETTING A FREQUENCY
■ Preparation
D Turning power ON/OFF
☞NOTE: Before operating the transceiver for the first time
it’s a good idea to reset the transceiver’s CPU. This will en-
sure that all transceiver settings are at their defaults. See
p. 62 for CPU resetting details.
Push [PWR] for 1 sec. to turn power ON or OFF.
Push [PWR] for 1 sec.
D VFO and memory modes
The transceiver has 2 basic operating modes: VFO mode and
memory mode.
Push [V/MHz] to select VFO mode when the transceiver is
not in VFO mode.
• If VFO mode is already selected, the digits below 100* kHz disap-
pear. In this case, push [V/MHz] again (or push twice or 3 times de-
pending on version).
*The digits below 1 or 10 MHz disappear for some versions.
Push [VFO] to select VFO mode.
95
1
M
95
1
VFO mode is selected. Appears when memory mode
is selected.
VFO
Note that in this manual, sections beginning with
a microphone icon (as above), designate opera-
tion via the HM-98S microphone.



15
4
SETTING A FREQUENCY
■ Using the tuning dial
➀Rotate the tuning dial to set the frequency.
•If VFO mode is not selected, push [V/MHz] to select VFO mode.
•The frequency changes according to the selected tuning steps.
(p. 16)
➁To change the frequency in 1 MHz (10 MHz for some ver-
sions) steps, push [V/MHz], then rotate the tuning dial.
•Pushing [V/MHz] for 1 sec. starts a scan function. If this happens,
push [V/MHz] again to stop the scan.
■ Using the [Y Z]/[ ] keys
Push [ ] to select the desired frequency.Y] or [Z
•If VFO mode is not selected, push [VFO] to select it.
•The frequency changes according to the selected tun-
ing steps. (p. 16)
•Pushing [Y Z] or [ ] for more than 0.5 sec. activates a
scan. If this happens, push [ ] again to cancelY] or [Z
the scan.
☞NOTE: 1 MHz steps cannot be used via the [Y Z]/[ ] keys.
95
1
The display shows that the 1 MHz
tuning step is selected.
YZ


16
3SETTING A FREQUENCY
ÄPush [VFO] to select VFO mode, if necessary.
Å FPush [ SET] one or more times until “ ”TS ap-
pears as shown below left.
• Push [ENT] to reverse the order of selection.
• Cancel the DTMF memory function in advance, if
necessary. (p. 44)
ÇPush [Y] or [Z] to select the tuning step.
ÉPush [CLR] to exit set mode.
■
Tuning step selection
Tuning steps are the minimum frequency change increments
when you rotate the tuning dial or push the [ ] keys onY Z]/[
the microphone. The following tuning steps are available:
• • • •5 kHz 10 kHz 12.5 kHz 15 kHz
• • • •20 kHz 25 kHz 30 kHz 50 kHz
☞NOTE: For convenience, select a tuning step that matches
the frequency intervals of repeaters in your area.
➀Push [V/MHz] to select VFO mode, if necessary.
➁Push [SET] one or more times until “ ”TS appears as shown
below.
•Pushing [MONI] reverses the order of selection.
• Cancel the DTMF memory function in advance, if necessary.
➂Rotate the tuning dial to select the tuning step.
➃Push [V/MHz] to exit set mode.
USING
SET MODE
9
5
19
5
1
15 kHz tuning step 25 kHz tuning step
SET
B


17
3
SETTING A FREQUENCY
■Using the keypad
The frequency can be directly set via numeral
keys on the microphone.
ÄPush [VFO] to select VFO mode, if necessary.
ÅPush [ENT] to activate the keypad for digit input.
ENT
C
ÇPush 6 keys to input a frequency.
•When a digit is mistakenly input, push [ENT] to clear the input,
then repeat input from the 1st digit.
•Pushing [CLR] clears input digits and retrieves the frequency.
ÉPush [Y Z] or [ ] to make adjustments below the 10 kHz digit, if de-
sired.
[EXAMPLE]: Setting the frequency to 145.3625 MHz.
VFO C
ENT 3
PRIO
5
MID
1
MONI 4
HIGH 6
LOW
9
5
19
5
19
5
19
5
1
2
SCAN


18
4BASIC OPERATION
■Receiving
➀Push [PWR] for 1 sec. to turn power ON.
➁Set the audio level.
➥Push [MONI] to open the squelch.
➥Rotate the [VOL] control to adjust the audio output level.
➥Push [MONI] again to close the squelch.
➂Set the squelch level.
➥Rotate [SQL] fully counterclockwise in advance.
➥Rotate [SQL] clockwise until the noise just disappears.
➥When interference is received, rotate [SQL] clockwise
again for attenuator operation.
➃Set the operating frequency. (p. 15)
➄When receiving a signal on the set frequency, squelch
opens and the transceiver emits audio.
• “BUSY” appears and the S/RF indicator shows the relative signal
strength for the received signal.
✔CONVENIENT
RF attenuator: The transceiver has an RF attenuator related
to the [SQL] setting. The attenuator is automatically activated
when [SQL] is rotated clockwise past the 12 o clock position.’
Approx. 10 dB attenuation is obtained at full rotation.
BUSY
95
1Appears when receiving
■Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting or to open the squelch manually even
when mute functions such as the tone squelch are in use.
Push [MONI] to open the squelch.
• Push [MONI] again to cancel the function.
•While duplex is ON for repeater operation, the transmitting fre-
quency can be monitored with [MONI].
Push [ MONI] to open the squelch.➀
• Push [➀MONI] again to cancel the function.
■Audio mute function
This function temporarily mutes the audio without disturbing
the volume setting.
Ä HPush [FUNC] then [ MUTE] to mute audio sig-
nals.
• “MUTE appears.”
Å EPush [ CLR] (or any other key) to cancel the
function.
• “MUTE disappears.”
MONI
➀
MUTE
H


19
4
BASIC OPERATION
■Transmitting
vCAUTION: Transmitting without an antenna will damage
the transceiver.
☞NOTE: To prevent interference, listen on the frequency be-
fore transmitting by pushing [MONI] or [ MONI] on the mi-➀
crophone.
➀Set the operating frequency. (pgs. 15, 17)
• Select output power if desired. See section at right for details.
➁Push and hold [PTT] to transmit.
• “$” appears.
• The S/RF indicator shows the output power selection.
•The operating frequency, etc. is automatically programmed into a
scratch pad memory. See p. 34 for details.
• A one-touch PTT function is available. See p. 20 for details.
➂Speak into the microphone using your normal voice level.
•DO NOT hold the microphone too close to your mouth or speak
too loudly. This may distort the signal.
➃Release [PTT] to return to receive.
■Selecting output power
The transceiver has 3* output power levels to suit your oper-
ating requirements. Low output powers during short-distance
communications may reduce the possibility of interference to
other stations and will reduce current consumption.
*The Thailand and Taiwan versions have only 2 levels.
Push [LOW] one or more times to select the output power.
• The output power can be changed while transmitting.
The microphone can also be used to select output power.
Push [ HIGH] for high output power; [➃ ➄MID] for
mid-range output power; and [ LOW] for low out-➅
put power.
•The output power CANNOT be changed via the micro-
phone while transmitting.
HIGH
4
MID
5
LOW
6
POWER OUTPUT
Thailand Taiwan
55 W 10 W 25 W
10 W — —
5 W 5 W 5 W
9
5
1
95
1
9
5
1




22
5REPEATER OPERATION
DDTMF tones
Push [DTMF-S], then push the keys of the desired
DTMF digits.
• The function indicator lights green.
• – –0 9, A D, M(E) and #(F) are available.
•Cancel the DTMF memory encoder function in ad-
vance, if necessary. (p. 45)
•Push [DTMF-S] again to return the keypad to normal
function control.
•The transceiver has 14 DTMF memory channels for au-
topatch operation. See p. 44 for details.
D1750 Hz tone
A 1750 Hz tone is required to access most Euro-
pean repeaters. The microphone has 1750 Hz
tone capability.
ÄPush [FUNC].
• The mode indicator lights orange.
ÅPush [TONE-1] to transmit a 1750 Hz tone call
signal for 0.5 sec.; push and hold [TONE-2] to
transmit a 1750 Hz tone call signal for an arbi-
trary period.
• The mode indicator goes out automatically.
•The optional HM-90 also has 1750 Hz tone capabil-
ity.
DTMF S
TONE-1
TONE-2

23
5
REPEATER OPERATION
■Subaudible tone
(encoder function)
➀Select the mode/channel you wish to set the subaudible
tone encoder frequency to, such as VFO mode or mem-
ory/call channel.
➁Push [SET] one or more times until “ ” “ ”T and rT appears
for repeater use; or until “T SQL” and appears for tone“CT”
squelch or pocket beep use.
• Push [MONI] to reverse the order of selection.
•Cancel the DTMF memory encoder function in advance, if nec-
essary. (p. 45)
➂Rotate the tuning dial to select and set the desired fre-
quency.
➃Push [V/MHz] to exit set mode.
☞NOTE: The subaudible tone encoder frequency can be set
in a memory channel temporarily. However, the set con-
tents are cleared once the memory/call mode is selected.
To store the tone frequency permanently, overwrite the
channel information.
The display shows that an
88.5 Hz subaudible tone
frequency is set for re-
peater use.
T
95
1
USING
SET MODE ÄSet the mode/channel you wish to set the sub-
audible tone encoder frequency to, such as
VFO mode, memory/call channel or scratch pad
memory.
•The subaudible tone frequency is independently pro-
grammed into each mode or channel.
Å FPush [ SET] one or more times until “ ”T and
“ ” “ ”rT appears for repeater use; or until T SQL
and CT“ ” appears for tone squelch or pocket
beep use.
•Pushing [GENT] reverses the order of selection.
•Cancel the DTMF memory encoder function in ad-
vance, if necessary. (p. 45)
Ç Y ZPush [ ] or [ ] to select and set the desired
frequency.
•Pushing and holding [Y Z] or [ ] changes the fre-
quency continuously.
É EPush [ CLR] to exit set mode.
• Subaudible tone frequency list (unit: Hz)
SET
B
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1


24
5REPEATER OPERATION
■Offset frequency
➀Select the mode/channel you wish to set the subaudible
tone frequency to, such as VFO mode or memory/call
channel.
•The offset frequency can be individually programmed into each
mode or channel.
➁Push [SET] one or more times until “ ”DUP appears and
flashes as shown above.
• Push [MONI] to reverse the order of selection.
•Cancel the DTMF memory encoder function in advance, if nec-
essary. (p. 45)
➂Rotate the tuning dial to select and set the desired fre-
quency.
•Selectable step increment is the same as the preset tuning step.
(p. 16)
• Use [V/MHz] for quick MHz tuning.
➃Push [LOW], [TONE], [M/CALL] or [PTT] to exit set mode.
The display shows that a
0.6 MHz (600 kHz) fre-
quency is set.
DUP
95
1
USING
SET MODE ÄSet the mode/channel you wish to set the offset
frequency to, such as VFO mode, memory/call
channel or scratch pad memory.
•The offset frequency can be independently pro-
grammed into each mode or channel.
Å FPush [ SET] one or more times until “ ”DUP ap-
pears as shown at left.
•Pushing [GENT] reverses the order of selection.
•Cancel the DTMF memory encoder function in ad-
vance, if necessary. (p. 44)
Ç Y ZPush [ ] or [ ] to select and set the desired
frequency.
•Selectable step increment is the same as the preset
tuning step. (p. 16)
•Pushing and holding [Y Z] or [ ] changes the fre-
quency continuously.
É EPush [ CLR] to exit set mode.
☞NOTE: The offset frequency can be set in a memory chan-
nel temporarily. However, the set contents are cleared
once the memory/call mode is selected. To store the offset
frequency permanently, overwrite the channel information.
SET
B

25
5
REPEATER OPERATION
■Auto repeater
(USA version)
The USA version automatically activates the repeater settings
(DUP or –DUP and tone encoder ON/OFF) when the operat-
ing frequency falls within the general repeater output fre-
quency range and deactivates them when outside of the
range.
DSetting the auto repeater function ON/OFF
➀Push [PWR] to turn power OFF.
➁While pushing [SET] (far left switch), turn power ON to
enter initial set mode.
➂Push [SET] one or more times until the “ ”RPt display ap-
pears as shown below.
➃Rotate the tuning dial to turn the auto repeater function to
“ ” “ ”R1, R2 or OFF.
• “R1”: auto repeater is ON, tone encoder is OFF.
• “R2”: auto repeater is ON, tone encoder is ON.
➄Push [PWR] to exit initial set mode.
USING
INITIAL SET MODE
95
1
Auto repeater function is
turned OFF
X
95
1
Auto repeater function is ON,
tone encoder is OFF
DFrequency range and offset direction
■
Repeater lockout
This function helps prevent interference to other stations by
inhibiting your transmission when a signal is received. The
transceiver has two inhibiting conditions, repeater and busy.
➀Push [PWR] to turn power OFF.
➁While pushing [SET] (far left switch), turn power ON to
enter initial set mode.
➂Push [SET] one or more times until the “ ”RLO display ap-
pears as shown below.
➃Rotate the tuning dial to turn the repeater lockout function
to RP,“ ” “ BU or OFF.”
• “RP : Transmit is inhibited when the tone squelch is closed.”
• “BU : Transmit is inhibited when a signal is received.”
➄Push [PWR] to exit initial set mode.
FREQUENCY RANGE DUPLEX DIRECTION
145.200 145.495 MHz–“DUP –” appears
146.610 146.995 MHz–
147.000 147.395 MHz DUP appears– “ ”
USING
INITIAL SET MODE
Repeater lockout function is
turned OFF
Transmit is inhibited when the
tone squelch is closed
X

26
6MEMORY OPERATION
■ General description
The transceiver has 107 memory channels including 6 scan
edge memory channels (3 pairs), and 1 call channel. In addi-
tion, 6 scratch pad memories are available (see p. 34). Each
of these channels can be individually programmed with the
following data.
•Operating frequency (pgs. 13)
•Duplex direction and offset (pgs. 21, 24)
•Subaudible tone encoder or tone squelch and its tone fre-
quency (pgs. 21, 47)
•Skip information* (p. 40\)
*Except for scan edge memory channels.
■ Memory channel selection
D Using the tuning dial
➀Push [M/CALL] once or twice to display “ ”! .
➁Rotate the tuning dial to select the desired memory chan-
nel.
• Only programmed memory channels can be selected.
D Y ZUsing the [ ]/[ ] keys
ÄPush [MR] to select memory mode.
Å Y ZPush [ ] or [ ] to select and set the desired
memory channel.
•Pushing [Y Z] or [ ] for more than 0.5 sec. activates a
scan.
•If a scan is activated, push [Y Z] or [ ] again to stop it.
D Using the keypad
ÄPush [MR] to select memory mode.
Å GPush [ ENT] to activate the keypad for numeral
input.
ÇPush 3 appropriate digit keys to input a channel
number.
•When inputting non-programmed channel numbers,
the previous memory channel appears.
•To select scan edge channels, and can be“ ”M “ ”#
used for A and b respectively.
MR
YZ
MR
ENT
C


27
6
MEMORY OPERATION
■ Programming a memory channel
VFO mode settings, including the set mode contents such as
subaudible tone frequency, etc., can be programmed into a
memory channel.
➀Set the desired frequency in VFO mode:
➥Push [V/MHz] to select VFO mode.
➥Set the frequency using the tuning dial.
➥Set other data (e.g. tone frequency, etc.) if required.
➁Push [S.MW] momentarily.
• “!” and the memory channel number ash.
➂Rotate the tuning dial to select the memory channel to be
programmed.
• Memory channels not yet programmed are blank.
➃Push [S.MW] for 1 sec. to program.
• 3 beeps may sound.
• Memory channel number automatically advances when continu-
ing to push [S.MW] after programming.
✔CONVENIENT
Memory programming can be performed in versatile ways
e.g. memory channel to the same (or different) memory chan-
nel, memory channel to the call channel, etc.
[EXAMPLE]: Programming 145.870 MHz into memory channel 20 via the front panel.
9
5
1
M
5
1
Push
[V/MHz]
Rotate for setting
freq., etc.
Rotate
Push momentarily
Push for 1 sec. and continue pushing
X
95
1
S.MW
MW
S.MW
MW
95
1
M
X
95
1
M
95
1
M
X
95
1


28
6MEMORY OPERATION
[EXAMPLE]: Programming 145.870 MHz into memory channel 20 via the microphone.
■ Programming a memory channel via the microphone
The microphone can also be used to program
memory channels.
Ä Set the desired frequency in VFO mode:
➥Push [VFO] to select VFO mode.
➥Set the frequency using the keypad.
➥Set other data (e.g. offset frequency, duplex direction,
subaudible tone encoder ON/OFF and its frequency), if
necessary.
Å EPush [FUNC], then [ MW] momentarily.
Ç Select the memory channel to be programmed.
➥Push [Y Z] or [ ] to select the memory channel (direct nu-
meral input cannot be used).
É EPush [FUNC] then [ MW] for 1 sec. to program.
➥3 beeps may sound and the VFO contents (including the
subaudible tone frequency, etc.) are programmed.
➥Memory channel number advances when continuing to
push [MW] after programming.
MW
Push Push then momentarily
PushPush for 1 sec. and
continue pushing
VFO
8
DUP+ 7
DUP
5
MID
0
1
MONI 4
HIGH
C
ENT
MW
FUNC A
CLR
then
MW
FUNC A
CLR
95
195
195
1
M
5
1
M
X
95
1
M
95
1
M
95
1



32
7CALL CHANNEL OPERATION
■Calling up the call channel
Use the call channel to store a most-often-used frequency for
quick recall.
➀Push [M/CALL] one or twice to display a large “ ”C in the
memory channel readout.
➁Push [V/MHz] or [M/CALL] to exit the call channel.
Push [(MR)CALL] for 1 sec. to select the call chan-
nel.
■Transferring call channel
contents
➀Select the call channel by pushing [M/CALL] one or twice.
• “ ”A large C appears.
➁Push [S.MW] momentarily, then rotate the tuning dial to se-
lect a memory channel to transfer the contents to.
•To transfer to the VFO, push and hold [ MW] instead of(S.MW)
pushing momentarily.
➂Push and hold [(S.MW)MW] to transfer when a momentary
push was used in the previous step.
•If a name (p. 31) has been programmed into the call channel, the
name is also transferred.
ÄPush [ CALL] for 1 sec. to select the call(MR)
channel.
Å EPush [FUNC], then [ MW] momentarily.
•To transfer to the VFO, push [FUNC] then push and
hold [EMW] for 1 sec. instead of pushing [EMW]
momentarily.
Ç EPush [FUNC] then [ MW] for 1 sec. to transfer
when momentarily pushing [ MW] in step EÅ.
•If a name (p. 31) has been programmed into the call
channel, the name is also transferred.
95
195
1
Large C“ ” shows the call
channel is selected.
Small c“ ” shows VFO mode was
selected from the call channel.
CALL
MW
A


34
8SCRATCH PAD MEMORY
■
What is scratch pad memory?
During VFO operation, the transceiver automatically memo-
rizes operating frequency information when transmitting on a
new frequency. There are 2 types of scratch pad memories,
those for simplex operation, L1 L3, and those for duplex (re-–
peater) operation, r1 r3. These memories can be conve-–
niently recalled.
☞NOTE: When memory mode is selected, the frequency is
not programmed into a scratch pad.
■ Calling up a scratch pad
memory
➀Select the call channel by pushing [M/CALL] once or twice
to display a large in the memory channel display.“ ”C
➁Rotate the tuning dial to select a scratch pad memory.
• “ ”Previously transmitted frequency and one of L1 L3”–“ or
“ ”r1 r3”–“ appears.
• When first applying power of after CPU resetting, scratch pad
memories contain no data and therefore cannot be selected.
➂Push [V/MHz] or [M/CALL] to exit the scratch pad memory.
☞NOTES:
➧The 3rd scratch pad memory (L3 or r3) will be cleared
when transmitting on a new frequency. If the transmit fre-
quency is already stored in a scratch pad memory, the
scratch pad memory is not cleared but the order is
changed.
➧When transmitting on a scratch pad memory, the scratch
pad memory becomes the 1st scratch pad memory (L1
or r1) and the order is changed.
Newest
Oldest
The oldest written frequency is cleared.
Order is changed if
transmitting on this
channel.
95
1
95
1
9
5
1
95
1

38
9SCAN OPERATION
■ Programming scan edges
Scan edges can be programmed in the same manner as
memory channels. Scan edges are programmed into scan
edges, 1A/1b to 3A/3b, in memory channels.
➀Set the desired frequency in VFO mode:
➥Set the frequency using the tuning dial.
➥Set other data (e.g. offset frequency, etc.) if desired.
➁Push [S.MW] momentarily.
• “!” and the memory channel number ash.
➂Rotate the tuning dial to select a scan edge channel.
➃Push [ MW] for 1 sec. to program.(S.MW)
• 3 beeps may sound and the frequency is programmed.
• Scan edge 1b is automatically selected when continuing to push
[(S.MW)MW] after programming.
➄To program a frequency for the other pair of scan edges,
1b to 3b, repeat steps and ➂ ➃.
• If the same frequency is programmed into a pair of scan edges,
programmed scan will not function.
[EXAMPLE]: Programming 145.30 MHz and 145.80 MHz into scan edges 1A and 1b, respectively.
M
95
1
M
95
1
Rotate
Rotate
Push
momentarily and hold
continue pushing
Program 1b in the same manner.
Push
X
9
5
1
S.MW
MW
S.MW
MW
S.MW
MW
9
5
19
5
1
Produkt Specifikationer
Mærke: | Icom |
Kategori: | Modtager |
Model: | IC-2100H |
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