TM 9-2350-222-10-3
REPLACE EXTERNAL LAMPS (REPLACE EXTERNAL HANDSET BOX LAMP) -
Continued
2. Rotate MAIN PWR switch (J) to
INT ONLY on radio amplifier (K).
3. Set POWER CKT BKR switch (L)
to ON.
4. Notify driver "power circuit is on".
5.
Rotate handle (M) on driver's intercom
box (N) to SIG.
6. Indicator (Q) on external handset box
(C) should light.
7. If indicator (Q) does not light, check
driver's intercom box indicator (P).
If indicator (P) does not light,
replace indicator (P) lamp (page 3-304).
TA133163
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