SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
PRIMUS
R
650 Weather Radar System
B--8
WEATHER RADAR OPERATING PROCEDURES
Preliminary Control Settings
Place the system controls in the following positions before applying
power from the aircraft electrical system.
D Mode Control -- OFF
D GAIN Control -- Preset Position
D TILT Control -- +15
Precaution s
If the radar system is to be operated in any mode other than standby
while the aircraft is on the ground:
D Direct nose of aircraft so that antenna scan sector is free of large
metallic objects such as hangars or other aircraft, for a distance of
100 feet (30 meters), and tilt antenna fully upwards.
D Do not operate the radar during aircraft refueling or during refueling
operations within 100 feet (30 meters).
D Do not operate the radar if personnel are standing too close to the
270_ forward sector of the aircraft.
D Operating personnel should be familiar with FAA AC 20--68B.
WARNING
OUTPUT POWER IS RADIATED IN THE TEST MODE.
Powerup
Select the weather radar for display. On powerup, select either STBY
or TEST mode. When power is first applied, the radar is in WAIT for 45
seconds so the magnetron can warm up.
NOTE: If forced standby is incorporated, it is necessary to
momentarily push both range switches to exit forced standby.
After the warmup, select the test mode and verify that the test pattern
is displayed.
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