SoundPals User's Guide
DMIC-20 • 71
DMIC-20 Troubleshooting
The table below lists DMIC-20 problems and solutions.
Problem
Procedure
No signal at
either AES
output.
•
Is power applied? Check power LED
and power supply.
No audio on
AES output.
•
Is microphone connected correctly?
Check
+
ve
to pin 2,
−
ve
or ground to pin
3.
•
Does microphone require phantom
power? Set Phantom Power Switch to
UP (
On
) position.
Front panel
meters not
registering..
•
Is microphone sensitivity within
SoundPals operating range?
•
Adjust sensitivity.
Ext Ref
indicator not
lit on front
panel.
•
Is AES reference connected? Check
that an AES signal is applied to the
reference input if you want
synchronized sampling.
•
Is the reference input a valid AES
signal?
•
Is the reference input sampling
frequency between 30 kHz and 50 kHz?
NOTE
Please contact the GPS factory if the problem still
exists after completing the above procedures.
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