28 Operation and Maintenance
Ascend
Bosch Security Systems, Inc.
Technical Manual
F.01U.196.221
Rev. 08
Adjust Microphone Gain
The microphone gain has been factory-adjusted to the nominal level required for aviation use, and should not require
adjustment. Any changes to the microphone gain should be done by a qualified avionics technician.
NOTE:
Adjustments should be made in small increments.
To
adjust the gain trimmer
, do the following:
1.
Insert a
small, flathead screwdriver
through the access hole in the boom mic module.
2.
Turn the
gain pot clockwise
to increase the gain.
OR
Turn the
gain pot counterclockwise
to decrease the gain.
