Procedural Steps (Cont):
a . Remove plastic earphone cushion and receiver retainer to gain access to the
b. Connect four wires to white (switch position 6), black (1), shield (7), and red (4)
c. Hook the white wire to one of the inside jacks on the Soviet chest plate and the
black wire to the other inside jack (Points A and B on chest plate figure).
d. Hook the shield wire to one of the outside jacks and the red wire to the other
outside jack. (Points C and Don chest plate figure).
e. Reassemble helmet. If you can receive but not transmit, reverse the red wire
leadand shield wire lead on the two outside jacks.
8. Operating procedures for the Soviet R-123M Transceiver:
Operating procedures and steps are keyed to the following
a . Make sure the POWER SWITCH (23) and the DIAL LIGHT SWITCH (26) are in
the off (down) position.
b. Set the MODE SELECTOR SWITCH (3) to the Simplex (left) position.
tightened (clockwise) until snug.