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TM 11-5820-890-30-5
6-13. OPERATIONAL CHECK. Continued
Step 4. INPUT AND RADIO SELECT CHECK.
Action
Response
a. Connect equipment as shown in figure 6-8.
a. No response.
b. Set CB1: ON.
b. Control-monitor runs 1 test cycle, “Ud” is
displayed, and then SC, CHAN 0, RF LO,
and CONTROL M are lit with all others
blank. If not, go to chart 13.
c. Set FCTN: CHAN.
c. CHAN 1 lights. If not, go to chart 15.
Set INIT to UP and then release it.
If CHAN 1 is blinking, go to next action.
d. Set FCTN: COMSEC.
d. “Er” is displayed briefly and then SC,
Set INIT to UP and then release it.
CHAN 1, RF LO, and CONTROL M are lit
with all others blank. If not, go to chart 15.
If CHAN 1 is blinking, go to next action.
e. Set CB1:
OFF.
e. Control-monitor runs 1 test cycle, and
Set RAD: 2.
then CONTROL M is lit with all others
Set CB1: ON.
blank. If not, go to chart 13.
f. Set CB1:
OFF.
f. Control-monitor runs 1 test cycle, and
Set RAD: 3.
then CONTROL M is lit with all others
Set CB1: ON.
blank. If not, go to chart 13.
g. Operational Check is complete.
6-15
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