TM 55-1925-273-10-1
0055 00
SOUND POWERED TELEPHONE
2
1
3
1
9
10
11
8
7
12
6
13
5
14
4
15
3
16
2
17
1
18
19
4
5
6
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
This dial outlines available stations.
3
Selector Knob
This knob selects station to be called.
4
Magneto Handle
Crank the magneto handle to call a station.
5
Pushbutton
This pushbutton is used to transmit.
6
DIRECTORY Plate
This directory plate lists telephone stations aboard the vessel.
0055 00-6