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PRIMUS
R
660 Digital Weather Radar System
A28–1146–111
REV 2 7-11
In–Flight Adjustments
AD–17722–R2@
60
wx
40
20
100
80
Overstabilization in a Right Roll
Figure 7–8
ROLL GAIN ADJUSTMENT
This in–flight adjustment is made in a bank when the ground returns do
not remain symmetrical during turns. The procedure is listed in table
7–6.
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 AGL or greater.
3 Set range to 50 NM.
4 Adjust the tilt down until a solid band of ground returns are
shown on the screen. Then adjust the tilt until the green
region of the ground returns start at about 40 NM.
5 Select STAB (STB) 4 times within 3 seconds. A display
with text instructions for roll offset is shown.
Roll Gain Adjustment Procedure
Table 7–6 (cont)