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 TM 55-1905-223-10
.
NOTE
There are four models of sound powered telephones used on LCU. Models SER
will be used. There is also a Sound Powered Head Set-Chest Set used on LCU
and it will be covered separately.
a. Answering a call.
(1) Pick up HANDSET (1, FIGURE 2-191) and press HANDSET pushbutton (7) in middle of handset to
answer call.
(2) Release HANDSET pushbutton (7) to allow calling party to talk.
NOTE
The handset pushbutton will cut out receive portion of handset and instructions will not be heard.
b. Placing a call.
(1) Turn SELECTOR KNOB (3, FIGURE 2-191) to desired station number on SELECTOR DIAL (4).
(2) Turn MAGNETO HANDLE (2) clockwise 3 or 4 times. This will signal the station being called.
(3) Pick up HANDSET (1) and wait for answer on receive portion of the handset.
(4) Operate HANDSET pushbutton (7, FIGURE 2-176) to pass information, release HANDSET
pushbutton (7) to hear other party.
c. Audible Devices and Light Operation.
NOTE
In noisy spaces such as engine room, emergency generator room, and bowthruster
compartment, sound powered telephones have audible and light indicators to
attract attention.
(1) On Model SELR (FIGURE 2-190) INDICATOR LIGHT (1) will light with calling signal.
When
HANDSET (2) is raised the INDICATOR LIGHT (1) will go out.
(2) On Model SFLR (FIGURE 2-191) INDICATOR LIGHT (6) will light with calling signal. When
telephone is answered, press RESET BUTTON (5) to put INDICATOR LIGHT (6) out and prepare
telephone for next call.
d. Head Set-Chest Set Operation.
(1) Remove Head Set-Chest Set from storage box.
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