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 TM 55-1905-223-10
Table 2-1. Description of Operator's Controls and Indicators - CONT
Key
Control or Indicator
Function
Main Switchboard (FIGURE 2-28) - Continued
14
STRIP HEATER
Indicates that strip heater is activated (amber).
ON
15
GENERATOR 2
Controls speed of diesel engine driving generator
SPEED CONTROL
No. 2.
16
240V GROUND
Indicates ground fault conditions on any one of
DETECTION LIGHTS
three phases of generator No. 2. (amber).
17
GENERATOR 1
Indicates voltage of phase selector switch of
generator No. 1.
18
GENERATOR 1
Indicates power available from generator No. 1
POWER AVAILABLE
(white).
19
GENERATOR 1
Indicates generator No. 1 watt output.
20
GENERATOR 1
Indicates amperage of generator No. 1.
21
SYNCHROSCOPE
Indicates status of frequency synchronization
with generator No. 2. Meter indicates whether
frequency is fast or slow.
22
SYNCH. LIGHTS
Steady lights indicate that generator No. 1 is in
frequency synchronization with generator No. 2.
23
GENERATOR 1
Adjusts output of generator No. 1 for parallel
VOLTAGE ADJUST
operation.
RHEOSTAT
24
STRIP HEATER
Indicates that strip heater is activated (amber).
ON
25
SYNCHROSCOPE
Selects NORMAL, OFF, or GENERATOR NO. 2 mode for
SWITCH
synchronization.
26
Selects one of three phases of generator No. 1 to
SWITCH
be displayed on AC ammeter.
27
EXCITATION
Controls generator exciter manually.
CONTROL
2-63
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