TM 11-5820-890-20-1
3.1.
OPERATIONAL CHECK. Continued
STEP 3. RT SELF-TEST:
STEPS TO PERFORM
3.1
Set RT
COMSEC to CT
FCTN to TST
3.2 Set RT:
FCTN to LD
CHAN to MAN
DATA to OFF
3.3
Press PTT twice
External devices (LS 671 Speaker)
STEP 4. LOAD CHECKS:
CHECKS TO MAKE
N/A
RT display reads FAIL 6?
RT passes self-test?
RT now passes self-test?
N/A
N/A
RT display reads 30000?
COMSEC alarm heard at
HS/loudspeaker?
(For RT-1523/A/B/D)
Steady tone heard at
HS/loudspeaker?*
(For RT-15230
Steady tone is heard
ACTIONS TO TAKE
N/A
NO:
Continue 1
YES:
Go to TS Chart 8
YES:
Go to Step 3.2
NO:
Disconnect all cables from
front of RT; rerun self-test
YES:
Reconnect all cables to front
of RT and go to Step 3.2
NO: Replace RT
N/A
N/A
YES: Continue 1
NO:
Replace RT
YES:
Go to Step 3.3
NO:
If no external devices,
go to TS Chart 9
NO:
If using external devices,
go to TS Chart 10
YES:
Go to STEP 4
NO:
If no external devices,
go to TS Chart 9
NO:
If using external devices,
go to TS Chart 10
YES:
Go to STEP 4
NO:
If no external devices,
go to TS Chart 9
NO:
If using external devices,
go to TS Chart 10
STEPS TO PERFORM
CHECKS TO MAKE
4.1
Load RT with SC frequencies:
SC frequencies load properly?
Chan 1:
4
1
0
0
0
Chan 2:
54000
Chan 3:
75000
4.2
Set RT MODE to FH and load
RT accepts fill?
RT with COMSEC and FH data*
Go to TM 10-6 page 7, Task 2.
4.3
Load test sync time (82/09:36)
Test sync time loads properly?
4.4
Set RT to STBY
RT shuts down properly?
ACTIONS TO TAKE
YES:
Go to Step 4.2
NO: Replace RT
YES:
Go to Step 4.3
NO:
Go to TS Chart 11
YES:
Go to Step 4.4
NO:
Replace RT
YES:
Go to Step 4.5
NO: Replace RT
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