Use the SDR-4 in combination with
a compatible unit to capture audio
direct to an SD card. Once recorded,
the audio can then be played back
through the device in which it is
installed. Of course, you can also
remove the SD card and transfer
the MP3 files to your computer for
further editing and processing.
1. Unscrew the retaining screws
from the expansion slot cover on
2. Remove the cover and store it in
3. Attach the cable to the back of
NOTE: The USB jack on the rear
panel of the SDR-4 is for factory
4. Carefully slide the SDR-4 into
5. Replace and tighten screws.
1. Ensure that SD card lock
2. Insert SD card with the same
alignment as indicated by the
SD card icon on the front of the
3. Push the SD card in until it clicks
4. To remove the SD card, gently
push in until it clicks and pops
out slightly; it is then safe to
NOTE: The maximum size SD card
that can be used by the SDR-4 is
Prior to recording to the SDR-4, you
want to ensure that the signal being
recorded is properly mixed. Once
you are happy with your overall mix,
follow the steps below to record.
Press the REC button once to place
the SDR-4 in record pause mode.
This is the time to check the levels of
the audio to be recorded and adjust
the REC VOL control if necessary. An
optimal recording level will illuminate
all the green LEDs with very little to
no activity on the red LEDs.
Press the REC button a second time
Pressing the REC button during a
recording in progress will pause the
recording without creating a new
track. This is useful for recording
several sections of a recording
session into a single track without
breaking it up into several tracks.
Press the PLAY/STOP button to
Once a file is recorded, it will appear as
LIN0001.MP3 in the root directory
of the SD card (when viewed on a
computer). Subsequent recorded
files will be named LIN0002.MP3,
In addition to recorded files, the
SDR-4 can playback other files
Compatible file formats: MP3, WMA
SD Digital Audio Recorder Module
(Your host unit may differ from that
The tracks will play in the following
MP3 format (alphabetically)
WMA format (alphabetically)
Files in folders (alphabetically)
MP3 format (alphabetically)
WMA format (alphabetically)
Refer to the descriptions and
functions on the next page for
