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GNS 400W Series Maintenance Manual
Page 4-19
190-00356-05
Rev. A
Monitor the current measured angle using the “SELECTED COURSE” field and calibrate the
unit using the “Calibrate to 150?” field (do this after the bearing is selected to 150 degrees). Note
that the angle displayed is rounded to one tenth of a degree.
Load: Calibrated OBS resolver, precision track selector or equivalent.
For:
MAIN OBS ROTOR C
(J1-31)
MAIN OBS ROTOR H
(J1-32)
MAIN OBS STATOR D
(J1-33)
MAIN OBS STATOR E
(J1-34)
MAIN OBS STATOR F
(J1-35)
MAIN OBS STATOR G
(J1-36)
Set test set to the angles given in the table below. Verify the angle via the main CDI/OBS config
test page.
60 150 240 330
60 ± 2
150 ± 2
240 ± 2
330 ± 2