L3 FA2100 CVR Component Maintenance Manual With Illustrated Parts List page 178

(l)
Figure 127. Audio Reference Level Utility, Confirmation
(m) Select Yes to update the Setup reference level file with the values dis-
(n)
NOTE:
(3) Part 2 – Sound Card Input Adjustment
(a)
(b)
Figure 128. Audio Reference Level Utility, Warning Message
(c)
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AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
FA2100CVR
Select Store Result =>Output Results. A pop−up window will appear dis-
playing the current REFERENCE, and the new VOICE VOLUME and CAM
VOLUME values.
played, or select No to cancel the update of the Setup reference level file.
Close the Audio Reference Level menu by selecting the Close button.
The Audio Reference Utility volume value is used to define the VOICE
VOLUME for channels 1,2,3 and the CAM VOLUME for channel 4, for
output to the recorder during CVR tests.
Set the toggle switches on the Loop−Back Connector to the following set-
tings: (Switch Settings: Channel 1 and Audio Out).
Select Utilities => Audio Reference Level Utility to run the Audio Refer-
ence Utility from the CVR Tester menu. At the CVR Tester Pop−up menu,
select the OK button
Select Channel 1 check box ion the Audio Reference Level Menu.
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Testing & Fault Isolation
Rev. 15 Page 129
Apr. 14/16