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 TM 11-6625-2975-40
2-5.
FREQUENCY ACCURACY PERFORMANCE TEST. (CONT)
PROCEDURE (CONT)
9. Press and hold FAST lNCR key until frequency counter stops counting.
10. Observe frequency counter display. It should indicate more than 108.027 MHz. If
not, go to troubleshooting chart 2-1, sh 1.
11. Press
F key.
NOTE
F key will extinguish.
EL9LY012
12.
Disconnect frequency counter from test set RF OUT jack and connect to COMP output
(1) on rear panel.
13.
Enter frequency 108.00 MHz into test set (VOR Mode).
14.
Extinguish 30 VAR and 9960 FM TONE SELECT keys.
15.
Press (to light) 9960 Hz TONE SELECT key.
16.
Observe frequency counter display. It should indicate between 100.4006 and
100.4026 s (9959.9009 and 9960.0991 Hz). If not, go to troubleshooting chart
chart 2-1, sh 1.
2-4
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