PAC TR-7 Manual

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Paciﬁc Accessory Corporation - 1502 S. Santa Fe Street, Santa Ana, CA 92705

www.pac-audio.com • techsupport@pac-audio.com

Page 1

1-5-05

S/W 1.2.4

The TR-7 is a universal trigger output module that has various user

programmable features combined into one unit. The user programmable

features are stored in non volatile memory. When triggered, the TR-7

can turn on the outputs as a pulsed, latched or a timed output. There

are two inputs, the GREEN wire is a positive input that senses voltages

as low as 0.8 volts and the BROWN wire is a negative input, both are

tied together internally which is, essentially, ONE trigger input.

There are 3 separate outputs, the BLUE wire is a positive 12 volt

output which has a maximum current rating of 2 amps. The WHITE

and ORANGE wires are negative outputs which have a maximum of

current rating of 150 milliamps. The timed output is user adjustable and

can be programmed up to 4 minutes and 15 seconds. What makes the

TR-7 unique is that it does not use a potentiometer to adjust the timer. The timer is set by programming TR-7 minutes and seconds with

a number. The time saved is accurate to the second +7% - 8%.

#1: Low voltage trigger. Supplies a 12 volt remote output for an aftermarket

ampliﬁer when used with a stock head unit that does not have a remote

output. Use the TR-7 to supply a 12 volt output from a 5 volt remote

source, like from Ford radios. Use on some vehicles that have a

negative antenna output and convert to a positive output.

#2: Alpine video bypass. This will automatically bypass Alpine’s ﬂip out monitor

video procedure. WARNING! It is dangerous (and illegal in most

states) for the driver to watch the TV/Video monitor while driving

the vehicle. The driver may be distracted from looking ahead and

an accident could occur. Install the TR-7 only in RV and Marine

applications where there is no parking/hand brake to interface to.

Do not install the TR-7 where the driver may be able to view the

monitor when driving.

#3: Latch and unlatch output from a pulsed input. Turn on headlights, neon

lights or radio from an alarm with a momentary output or from a

momentary switch.

#4: Double pulse output. Pulses outputs twice when trigger from a constant or

pulsed signal. Use for alarm applications where the unlock wire needs 2

pulses to unlock all doors.

#5: Closed loop circuit. Good for monitoring trailers on hitches by triggering an

aftermarket alarm if the trailer is disconnected from the vehicles hitch.

Also monitors stereo equipment in vehicles.

#6: Pulse extender/Delayed turnoff. Upon a constant or pulsed trigger, the

TR-7 will turn on the outputs. As soon as the trigger is disconnected,

turned off or at the end of a pulse, the timer will count up to the number

of seconds recorded, at which time the outputs will turn off. Good for

turning on headlights at night for convenience. Extend alarms output

from 1 second to 3 seconds for Mercedes vacuum door locks. (rev.2)

#7: Horn honking output. On older, aftermarket alarms, it may have been

difﬁcult to disarm the alarm with the RF remote when the horn was

honking. This will give you a 2 second delay between honks, allowing

you to disarm the alarm. Unique horn honking to distinguish your

vehicle from others. Program between 1 and 5 honks before the 2

second delay.

Black (-) Chassis Ground

Green (+) 0.8-16 Volts Input Trigger

Red (+) 12 volts constant/switched

Brown (-) Input Trigger

Blue (+) 12 volt output-2 amps max

White (-) Output-150 ma. max

Orange (-) Output-150 ma. max

MODEL TR-7

Universal Trigger Output Module

OFF-ON

Programming switch must be turned off

after the TR-7 is programmed!

#8: Linear Actuator Controller. Open/close ampliﬁer racks from a momentary

source like from a alarm’s negative output. Sequence is : Start, Stop,

Reverse, Stop.

#9: Door lock Pulse generator. Good for automatically locking and unlocking

door locks when ignition is turned on and off.

#10: Channel Splitter. Split 1 channel from an alarm to 2 outputs. Both outputs

are user programmable for pulse, latched or timed output.

#11: Pulses to constant output. Counts a number of user programmable

pulses within a user programmed time to turn on the outputs. Good for

triggering Vehicle tracking devices that need a constant trigger but the

factory alarm only has a pulsed output when triggered like ﬂashing lights

or horn honking. Keeps factory alarm from triggering Vehicle tracking

device when arming or disarming.

#12: 3 timers in 1. Upon a constant trigger, all 3 outputs are user programmable

to delay before turning on outputs or turning on instantly then delay

before turning off outputs. Good for situations where you need more

than 1 timer but on a different timer period, without having multiple

modules.

#13: Pulses to latch/unlatch outputs. Upon a number of pulses within a user

programmable time, the outputs will latch. Upon a number of pulses

within a user programmable time the second time, the outputs will

unlatch. You may program how many pulses to latch and unlatch. Use to

turn on aftermarket driving lights by using existing parking light switch.

#14: Pulses to pulse output. Upon number of pulses within a user programmable

time, the outputs will pulse. Example, if you programmed to see 4

pulses, for every 4 pulses the TR-7 sees within a 5 second time period,

the outputs will pulse once.

#15: Pulses to timed output. Upon a number of pulses within 5 seconds, the

outputs will turn on and delay for the amount of programmed time, then

the outputs will turn off.

#16: Latching outputs #2. Good for turning on 2 sets of driving lights with one

momentary switch. 1st pulse will latch one wire. 2nd pulse will unlatch

ﬁrst wire and latch second wire. 3rd pulse will latch both wires. 4th pulse

turns off both wires.

The basic descriptions below are the features that can be done with the TR-7. Each feature is assigned a Feature#. Please make note of which Feature# you are

going to use. Other unique projects/installs can also be derived from the TR-7, so PAC leaves it to the installer’s imagination to experiment with these features.

Basic Description of Features

TR-7

Universal Trigger Output Module

Pacific Accessory Corporation