TM 9-2350-277-10
DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS -- Continued
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Table 28. AN/VAS-5 DRIVER'S/COMMANDER'S VISION ENHANCER (M58 ONLY)
KEY
CONTROL OR INDICATOR
FUNCTION
POWER ON/OFF SWITCH
Applies power to DVE when set to ON (up position). When power
is applied, LED power indicator is illuminated.
VIDEO SENSOR/EXT SWITCH
In SENSOR position, selects sensor video in DVE. In EXT position,
selects an external video input.
POLARITY WHT-HOT/BLK-HOT
Reverses scene polarity. WHT-HOT (up position) displays hot
objects as lighter than cooler objects. BLK-HOT (down position)
displays hot objects as darker than cooler objects.
DISPLAY BRIGHTNESS CONTROL
Increases background lighting on display with clockwise (CW)
rotation or control and decreases background lighting on display
with counterclockwise (CCW) rotation of control.
SENSOR CONTROLS
Dual-action controls for choice of video dynamic range control -
Automatic (full CCW detent position) or Manual (CW out of detent
position).
SENSOR LEVEL -- MANUAL OR
Manual adjustment of video level or AUTO for automatic adjustment
AUTO
of video level.
SENSOR GAIN
Manual adjustment of video gain or AUTO for automatic adjustment
of video gain.
MANUAL WIPER CONTROL
Allows manual operation of window wiper by pulling down and
releasing control knob.
ELEVATION CONTROL
Adjusts Head Mirror elevation Field of Regard (FOR) +10 degrees.
A single detent (handle full forward) is provided at level 0 degrees
position to assist driver in returning to normal driving level position.
AZIMUTH CONTROL
Rotates Head Mirror FOR 30 degrees.
AZIMUTH LOCK KNOB
Locks Head Mirror at 0 degrees azimuth position when AZIMUTH
LOCK is released. Press AZIMUTH LOCK to unlock Head Mirror.
DISPLAY TILT CONTROLS HOLD
Knobs on both sides of DISPLAY MODULE and plunger on hold
DOWN BRACKET ASSEMBLY
down assembly permit viewing angle adjustment of display.
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