TM 11-5840-281-12-1
4-47.
PERFORMANCE TESTS. (CONT)
3.
On local control monitor, place SCAN MODE switch to each of the positions listed in turn and verify that
elevation drive crank rotates clockwise at approximately the speed indicated for each switch position:
SCAN MODE (switch position)
ROTATIONAL SPEED (rpm)
SRCH
30
35
30
60
15
SIM
30
4.
On local control monitor, place SCAN switch to OFF position and LOCAL/REMOTE switch to IND position.
TRANSMITTER HIGH VOLTAGE TEST
TEST CONDITIONS: Radar set turned on, Preliminary Control Settings (para 2-4).
1.
On local control monitor, place SCAN MODE switch to SRCH position and LOCAUREMOTE switch to LOCAL
position.
2.
On transmitter control panel, press segments on indicator switches listed. Lamp inside segment pressed will
light:
INDICATOR SWITCH
SEGMENT PRESSED
CONTROL LOCAL-REMOTE switch
LOCAL
PULSE SELECT WIDE-NAR switch
WIDE
TEST ON-OFF switch
OFF
TRIGGER SELECT INTERNAL - EXTERNAL switch
INTERNAL
3. On receiver-transmitter main power panel, place SCAN switch to OFF position.
4. On transmitter control panel, press OVLD RESET switch and HV ON-HV READY switch. HV READY segment will
light.
NOTE
If any fault indicators light, press OVLD RESET and HV ON switches.
5. Place POWER SUPPLY (KILOVOLTS) - FILAMENT (VOLTS) switch on transmitter control panel to POWER
SUPPLY (KILOVOLTS) position.
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