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TM 11-5820-890-20-2
2-7
2.1.
OPERATIONAL CHECK. Continued
STEP 6. VAA RADIO AND INTERCOM INTERFACE TEST: Continued
STEPS TO PERFORM
CHECKS TO MAKE
ACTIONS TO TAKE
6.16 Set commander's C 2298 MONITOR to ALL
Set RT-A FCTN to SQ ON
Set RT-B FCTN to SQ OFF
Set RT-B VOL to Full CW
Listen at commander's HS
N/A
N/A
N/A
N/A
Rushing noise heard?
N/A
N/A
N/A
N/A
YES: Go to Step 6.17
NO:
Go to TS Chart 29
6.17 Set commander's C 2298 MONITOR to C
Listen at commander's HS
N/A
Rushing noise heard?
N/A
YES: Go to Step 6.18
NO:
Go to TS Chart 30
6.18 Press HS PTT
RT-B keys?
YES: Go to Step 6.19
NO:
Go to TS Chart 31
6.19 Press HS PTT, count into HS
Sidetone heard?
YES: Go to Step 6.20
NO:
Go to TS Chart 32
6.20 Set AM 1780 RAD TRANS to CRD + CREW
Either RT keys?
NO:
Go to Step 6.21
YES: Go to TS Chart 33
6.21 Set each crewmember C 2298 MONITOR to A
Set RT-B FCTN to SQ ON
Set RT-A FCTN to SQ OFF
Listen at each crewmember HS
N/A
N/A
N/A
Rushing noise heard?
N/A
N/A
N/A
YES: Go to Step 6.22
NO:
Go to TS Chart 34
6.22 Press HS PTT, at each crewmember C 2298
RT-A keys?
YES: Go to Step 6.23
NO:
Go to TS Chart 35
6.23 Press HS PTT, count into each crewmember HS
Sidetone heard?
YES: Go to Step 6.24
NO:
Go to TS Chart 36
6.24 Set each crewmember C 2298 MONITOR to ALL
Listen at each crewmember HS
N/A
Rushing noise heard?
N/A
YES: Go to Step 6.25
NO:
Go to TS Chart 37
6.25 Press HS PTT at each crewmember C 2298
RT-A keys?
YES: Go to Step 6.26
NO:
Replace defective
C 2298
6.26 Press HS PTT, count into each crewmember
C 2298
Sidetone heard?
YES: Go to Step 6.27
NO:
Replace defective
C 2298
6.27 Set each crewmember C 2298 MONITOR to C
Set RT-A FCTN to SQ ON
Set RT-B FCTN to SQ OFF
Listen at each crewmember HS
N/A
Rushing noise heard?
N/A
YES: Go to Step 6.28
NO:
Go to TS Chart 38
6.28 Press HS PTT at each crewmember C 2298
RT-B keys?
YES: Go to Step 6.29
NO:
Go to TS Chart 39
6.29 Press HS PTT, count into each crewmember
C 2298
Sidetone heard?
YES: Go to Step 6.30
NO:
Go to TS Chart 40
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