TM-9-2350-274-BD
M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1984
TM-9-2350-274-BD - Page 148 of 219
TM 9-2350-274-BD
COMMUNICATIONS SYSTEM
SECTION II. General Operating Procedures
11-4. General.
This section contains
general
operating procedures
for the AN/VIC- 1
intercommunications set. TM 11-5830-340-12 lists operating procedures for the system,
but for convenience, the main points have been reproduced here.
a.
Normal Intercom Operation with the AN/VIC-1 Intercommunications Set
without radios.
1.
Turn turret power on.
Turn MAIN PWR switch on the AM-1780 to INT
ONLY. Power is now available for 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.
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
11-2
Back to Top
