TB 9-6625-2059-24
(12) Repeat technique of (11) above for the remaining MODULATION FREQ Hz,
VAR and 1 kHz control settings listed in table 6. Audio analyzer will indicate within
limits specified.
Table 6. Output Level Distortion.
Test instrument
Audio Analyzer
Mod FREQ Hz
VAR control
1 kHz control
01000.0
CW
OFF
<0.7%
01000.0
CCW
CW
<2.0%
09999.9
CW
OFF
<0.7%
00100.0
CW
OFF
<0.7%
00020.0
CW
OFF
<1.5%
19999.9
CW
OFF
<0.7%
(13) Disconnect equipment setup.
(14) Set VAR control to OFF.
b. Adjustments
(1) Adjust A1A12A5C1 (fig. 2) until frequency counter indicates 1000 Hz 0.1 Hz.
(2) Adjust A1A2A5R15 (fig. 2) until frequency counter indicates 1000 Hz.
Figure 2. Test Instrument - Bottom View.
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