TM-9-2350-273-BD
M48/M60 SERIES TANK, COMBAT FULL-TRACKED 105-MM GUN
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR
TM-9-2350-273-BD - Page 159 of 288
TM 9-2350-273-BD
COMMUNICATIONS SYSTEM
(1) Turn turret power on.
Turn MAIN PWR switch on the AM-1780 to INT
ONLY. Power is now available for only intercom equipment. See figure 11-1.
(2) Turn POWER CKT BKR switch on the AM-1780 to ON. This supplies
power to AM-1780 and all control boxes connected to the AM- 1780.
NOTE
Do not place INSTALLATION switch in the INT
ONLY position when the AM-1780 is connected
to a radio system.
(3) Turn INSTALLATION SWITCH on the AM-1780 to OTHER.
(4) “INTERCOM ONLY” operation is now possible using the control boxes and
the audio accessories connected to them.
(5) To turn off the AM-1780, place the MAIN PWR and POWER CKT BKR
switches to OFF.
Figure 11-1. AM-1780 Amplifier
11-4
Back to Top
