TM 11-5841-283-12/NAVAIR 16-30APR39-1
1-11. EQUIPMENT DATA. (CONT)
VISUAL DISPLAY
Direction Type: Strobes appear on indicator screen showing from which direction a possible
threat has been identified.
Direction Accuracy:
Classified information.
Associated strobe and missile alert (MA) lamp flash alternately.
Threat (Missile):
AUDIO OUTPUT
PRF audio and alarm audio superimposed when missile threat is identified.
SELF-TEST
Built-in capability activated by control unit pushbutton. Checks most radar signal detecting set
circuits, except RF.
EXTERNAL POWER REQUIREMENTS
Aircraft Power: 28 vdc at 1.1 amp maximum average.
Aircraft Instrument Panel Dimmer: 0-28 vdc at 0.08 amp maximum.
ENVIRONMENTAL LIMITS
Operating Temperature: -54C (-65.2F) to 71oC (159.8F) for all components except
control unit and indicator which are limited to 55C (131oF).
-62C (-79.6oF) to 71oC (159.8F).
Storage Temperature:
Altitude: 30,000 feet maximum.
H u m i d i t y : 0-100%.
BLANKING INPUT (OPERATIONAL)
Pulse Width: Must bracket transmitted pulse.
Polarity: Positive.
Amplitude: Between 2 and 30 volts, baseline 0 0.05 volts.
Duty Cycle: Classified information.
Impedance, Input: 330 ohms 10%.
1-9
