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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
500 Watt Xenon Searchlight (FIGURE 2-13)
1
Manual Focus
Focused FORE and AFT along the axis of the
Knob
reflector by means of the manual focus knob
on top of the drum without the use of tools.
2
Lock Knob
Locks Manual Focus Knob in place.
3
Indicates lamp current.
4
Elapsed Time
Indicates lamp burning time.
5
ON-OFF
Controls electrical power to searchlight and
OPEN COVER RESET
provides power for control functions.
6
BEAM FOCUS
Hold switch in BEAM or FOCUS position until beam
is desired diameter. Switch returns to neutral
and beam diameter remains "as is" when switch is
released.
7
OFF-START
Turn searchlight on by moving switch to START
just long enough to start lamp and release. Move
switch to OFF to turn light OFF.
8
STANDBY-OFF
Turn STANDBY switch to OFF if searchlight is not
going to be used for several hours; otherwise,
leave it in STANDBY.
9
Vertical Lock
Provides a positive lock for the vertical
Knob
position.
10
Lever Handle
Lever handle aims searchlight by pointing lever
handle in the horizontal direction desired.
Beam is tilted up or down by twisting the lever
handle. A spring friction brake holds the drum
in any vertical position.
11
Horizontal Lock
Secures the horizontal position of the drum.
2-33
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