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 TM 55-1925-273-10-1
0060 00
SOUND POWERED TELEPHONE
2
6
1
3
DIRECTORY
1
9
10
1
6
11
8
7
12
6
2
7
13
5
14
4
3
8
15
3
16
2
4
9
17
1
18
19
5
10
4
5
Figure 4. Sound Powered Telephone
Table 4. Sound Powered Telephone (refer to figure 4)
Key
Control/Indicator
Function
1
Handset
The handset is used to speak into and to listen from.
2
Selector Dial
The selector dial outlines available stations.
3
Selector Knob
The selector knob selects station to be called.
4
Magneto Handle
Crank the magneto handle to call a station.
5
Pushbutton
Thus pushbutton is used to transmit.
6
DIRECTORY Plate (on wall)
The directory plate lists telephone stations aboard the vessel.
0060 00-6
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