PRIMUSR 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
1If 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.
2Fly to an altitude of 10,000 feet AGL or greater.
3Set range to 50 NM.
4Adjust 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.
5Select 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)