TM 11-5840-281-12-1
4-34. DESCRIPTION OF MAINTENANCE CONTROLS, INDICATORS, AND SWITCHES. (CONT)
KEY
CONTROL OR INDICATOR
DESCRIPTION
3
R20 20,40 PREC EXP
Adjusts position of 20-mile range mark on precision
approach display when RANGE MILES switch is in
position 20.
4
R35 IFF SWEEP DELAY
Adjusts starting time of IFF sweep.
5
R3 SWEEP GATE LENGTH
Adjusts length of sweep on crt to the range selected.
6
R9 RADAR SWEEP DELAY
Adjusts starting time of ppi sweep.
7
R22 EL SERVO POS
Alines top edge of blanked sector in range marks repre-
senting servo position of elevation antenna to its correct
position on azimuth display.
8
R31 AZ TILT POS
Alines top edge of blanked sector in range marks repre-
senting tilt position of azimuth antenna to its correct
position on elevation display.
9
R4 1 MILE AMPL
Adjusts intensity of range marks when RANGE MILES
switch is in position 10.
10
R23 5 MILE AMPL
Adjusts intensity of range marks when RANGE MILES
switch is in position 40.
11
R41 10 MILE AMPL
Adjusts intensity of range marks when RANGE MILES
switch is in position 80.
12
R37 AZ WIDTH
Orients bottom edge of blanked sector in range marks,
which represents tilt position of azimuth antenna to its
correct position on elevation display.
13
R38 EL WIDTH
Orients bottom edge of blanked sector in range marks,
which represents servo position of elevation antenna to
its correct position on azimuth display.
4-119
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