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 188 of 288
TM 9-2350-273-BD
COMMUNICATIONS SYSTEM
Procedural Steps (Cont'd)
7.
CVC Helmet:
a.
Remove plastic earphone cushion and receiver retainer to gain access to the
switch assembly.
b. Connect four wires to white (switch position 6), black (l), shield (7), and red (4)
wires.
c. Hook the white wire to one of the inside jacks on the Soviet chestplate and the
black wire to the other inside jack (Points A and B on chestplate figure).
d.
Hook the shield wire to one of the outside jacks and the red wire to the other
outside jack. (Points C and D on chestplate figure).
e. Reassemble helmet. If you can receive but not transmit, reverse the red wire
lead and shield wire lead on the two outside jacks.
8.
Operating procedures for the Soviet R-123M Transceiver:
NOTE
Operating procedures and steps are keyed to the following
figure.
a.
Make sure the POWER SWITCH (23) and
the off (down) position.
b. Set the MODE SELECTOR SWITCH (3) to
c.
Make sure the ANTENNA LOADING
tightened (clockwise) until snug.
the DIAL LIGHT SWITCH (26) are in
the Simplex (left) position.
C
ON T
R O
L
LOCKING NUT (8) is
11-33
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