SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
PRIMUS
R
650 Weather Radar System
B--12
In--Flight Roll compensation Adjustment of the
PRIMUS
R
650 Weather Radar System
Table B--3 describes the in--flight roll compensation adjustment
procedure for the PRIMUS
R
650 Weather Radar platform.
Step
Procedure
1 If two controllers are installed, one must be turned off.
If an indicator is used as the controller, the procedure is
the same as given below.
2 Fly to an altitude of 10,000 feet above ground level
(AGL) or greater .
3 Set range to 100 NM.
4 Adjust the tilt down until a solid band of ground clutter is
visible on the screen.
5 On the weather radar controller, select variable gain
(pull), WX, and RCT OFF. VAR is displayed.
6 Push the RCT button 4 times within 4 seconds. VAR
turns off. The radar unit is in the roll compensation mode.
7 Push the RCT button and verify VAR is not displayed. If it
is, repeat step 6.
8 Adjust the GAIN control until the ground clutter display is
symmetrical. Once the symmetrical image is displayed,
do not touch the GAIN control.
9 Push the RCT button 4 times within 4 seconds to exit the
roll compensation mode. When VAR is displayed again,
the roll compensation mode has been exited. Set
variable or preset GAIN as required.
NOTE: Once set, the roll compensation is stored in nonvolatile memory
in the RTA. It is not erased when the system is powered down.
In--Flight Roll Compensation Adjustment Procedure
Table B- -3
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