3-6. OPERATIONAL CHECK. (CONT)
OPERATIONAL CHECKS TABLE (CONT)
28. On both control-Indicators,
Adequate control of sweep intensity level and focus. If above
adjust FOCUS and INTENSITY
result cannot be obtained, refer to higher category of
controls as necessary for a
sharp, well-defined sweep.
29. On both control-indicators,
adjust VIDEO GAIN control
30. On master control-indicator,
Ppi sweep rotates clockwise on both control-indicators.
place SCAN switch to ON
31. On both control-Indicators,
Ppi display with 20-mile range on both control-indicators.
place RANGE MILES switch to
32. On master control-indicator,
Receiver noise (grass) appears on ppi display on both
rotate IF GAIN AZ and EL
controls fully clockwise.
To prevent exposure to hazardous rf radiation, make sure no personnel are
within an 80-foot (24.5 m) radius of radar site when performing steps 33 through
33. On master control-indicator,
HV ON indicator switch lights.
WIDE PLS position and press
HV ON indicator switch.
34. On master control-indicator,
Ppi sweep stops rotating on both control-indicators. Ground
place SCAN switch to OFF
return appears in same position on ppi display of both
position to stop azimuth
venient ground return.
35. On master control-indicator,
Maximum radar video return appears on both control-
adjust LO TUNE control for
maximum radar video return
on both control-indicators.