TM 11-5820-890-30-4
2-30. TROUBLESHOOTING FLOWCHARTS. Continued
CHART
SYMPTOM
25
No sidetone or noisy sidetone.
26
Sidetone will not disable.
27
No COMSEC alarm.
28
No constant COMSEC alarm tone.
29
COMSEC variable will not load.
30
COMSEC variable will not store.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Will not operate in FH (display does not read FILL1).
FH fill data will not load into holding memory (display does not read
LOAD followed by HFnnn).
No beep after fill data load (beep is not heard in headset).
FH fill data will not store (display does not read STO1 and then
blink).
Will not load ERF (no HLD_ display).
Will not monitor ERF (no HFnnn display).
Will not transmit SC, audio,
no clear, intelligible voice is
heard).
Whisper switch does not work (no clear, intelligible voice is heard).
TXSCVCT (no clear, intelligible voice is heard).
Sidetone (CT) is not present.
Will not transmit SC, audio, CT (voice is not heard).
Will not transmit SC, audio, CT, no time delay (2 beeps followed by
rushing noise then voice is not heard).
No remote variable (display does not read RK1).
Will not receive SC, audio, CT (no clear, intelligible voice is heard).
Will not receive FH, audio, CT (no clear, intelligible voice is heard).
Will not transmit FH, audio, CT (no clear, intelligible voice is heard).
Will not transmit FH, audio, (no clear, intelligible voice is
heard).
2-50
