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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)
1
GENERATOR 2
Indicates voltage of phase selector switch of
generator No. 2.
2
GENERATOR 2
White light indicates power available from
POWER AVAILABLE
generator No. 2 (white).
3
GENERATOR 2
Indicates watt output of generator No. 2.
4
GENERATOR 2
Indicates frequency of generator No. 2.
FREQUENCY METER
5
GENERATOR 2
Indicates amperage of generator No. 2.
6
120V GROUND
Indicates ground fault conditions on any one of
DETECTION LIGHTS
three phases of generator No. 2 (amber).
7
GENERATOR 2
Adjusts output of generator No. 2 for parallel
VOLTAGE ADJUST
operation.
RHEOSTAT
8
120V GROUND
Tests amber lights of three phases of generator
DETECTION
No. 2 voltage.
SWITCH
9
Selects one of three phases of generator No. 2
SWITCH
displayed on AC ammeter.
10
EXCITATION
Controls generator exciter manually.
CONTROL
11
AUTO
Controls automatic or manual exciter operation.
OFF
MANUAL
12
Selects A-B, B-C, C-A, or BUS A-B phase of
SWITCH
generator No. 2 to be displayed on AC voltmeter.
13
240V GROUND
Tests amber lights of three phases of generator
DETECTION SWITCH
No. 2 voltage.
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