Step 8. LS-671 CHECKS

TM 115820890-20-3

3.1.

OPERATIONAL CHECK. Continued

Step 8. LS-671 CHECKS

CHECKS

ACTIONS

STEPS

8.1 Set test set:

MODE to FWD PWR

N/A

Connect HS to LS-671 J2

N/A

Push LS-671 volume IN

N/A

Set RT:

N/A

COMSEC to CT

FCTN to TST

N/A

MODE to SC

N/A

RF PWR to HI

N/A

Beeps heard at HS only?

YES: Go to Step 8.3

8.2 Check for beeps

NO:

Replace LS-671

8.3 Set RT:

N/A

COMSEC to PT

N/A

FCTN to SQ ON

N/A

Press PTT

RT SIG display reads

YES: Go to Step 8.4

4 or more?

NO:

Go to TS Guide 20

N/A

8.4 Pull LS-671 volume OUT

Press PTT and count into HS

Sidetone heard at HS?

YES: Continue

NO: Go to TS Guide 21

Sidetone heard at

YES: Replace LS-671

LS-671 ?

NO: End of Operational

Check*

Return HS to operational position, if required. Repeat step 8 if second LS671 is used

(End of Vehicular Radio Operational Check; See TS Guide 22 for check

if having trouble with transmitting /receiving data using data device. )