TM 11-5820-890-20-1
2.2.
OPERATIONAL CHECK. Continued
STEP 6. RECEIVER CHECKS:
STEPS TO PERFORM
CHECKS TO MAKE
ACTIONS TO TAKE
6.1
Remove antenna from RT ANT
N/A
N/A
Connect RF cable from
N/A
N/A
test set RADIO to RT ANT
Remove cable from test set ANT
N/A
N/A
Set test set MODE to SENS SQ
N/A
N/A
Set RT
CHAN to 3
N/A
N/A
COMSEC to PT
N/A
N/A
FCTN to SQ ON
N/A
N/A
6.2
Press test set Push-To-Test
Test tone heard in handset?
YES:
(For RT-1523/A/B) RT is good.
YES:
(For RT-5123C/D/E)Go to
Step 7.1
NO:
Replace RT
(End of Manpack Radio Operational Check; See TS Chart 4 for check
if having trouble with transmitting / receiving data using data device.)
Step 7.
RCU/RT SELF-TEST:
STEPS TO PERFORM
CHECKS TO MAKE
ACTIONS TO TAKE
7.1
Configure SIP/ASIP RT (RCU)
N/A
N/A
and remoted RT for RCU op-
erations
7.2 Set RCU FCTN to TST
7.3 Set RCU:
FCTN to LD
MODE to SC
7.4 RCU: Load SC frequencies:
CHAN 1: 41000
CHAN 2: 54000
CHAN 3: 75000
7.5 Set RT
FCTN to LD
MODE to SC l
RCU display reads GOOD for
RCU self-test?
RCU display then reads OPEN?
RCU display reads GOOD for
RT self-test?
N/A
N/A
N/A
N/A
N / A
SC frequencies load in RT?
YES: Continue 1
NO: Replace RCU
YES:
Go to TS Chart 5
NO:
Continue 1
YES:
Go to Step 4
NO: Replace RT
N/A
N/A
N/A
N/A
N/A
YES:
Go to Step 7.6
NO:
Go to TS Chart 6
7.6 Set RT FCTN to REM
7.7 RCU: Press BATT/CALL
pushbutton twice
N/A
RCU display reads [RT XX]?
N/A
YES:
Go to STEP 7.8
NO: Replace RCU
2 - 6
