Griffon Telephonics RDR-1500B+ - Figure 2.8-2. Typical Video Pattern, with Stabilization Error; Figure 2.8-3. Typical Video Pattern, with Stabilization Error

Telephonics Corporation
R ADAR SYSTEMS D IVISION
2-42 TM113806 (3/10)
(a) Reset the TILT control under the flight conditions of step (4) with stabilization on. Then
roll the aircraft 20 degrees right.
(b) If the pattern shifts per Figure 2.8-2, slowly adjust the roll trim on the control unit until the
terrain band display is as shown in Figure 2.8-1.
Figure 2.8-2. Typical Video Pattern, with Stabilization Error
Figure 2.8-3. Typical Video Pattern, with Stabilization Error
(c) If the pattern shifts per Figure 2.8-3, slowly adjust the roll trim until the terrain band
display is as shown in Figure 2.8-1.
(d) If the pattern shifts per Figure 2.8-4, there is no roll stabilization and the system should be
ground-checked per the post-installation tests of this manual, paragraph 6.D. “Antenna
Stabilization Check”.
The document reference is online, please check the correspondence between the online documentation and the printed version.