Northern Airborne Technology 806 User Manual
Page 53
806 and 807 Audio Selector Panels
SM806 Installation and Operation Manual
Section 3 Rev: 1.00
Issue 4
Page 3-7
3.3.7.3
Directional Gyro Mode Select Switch (DG)
The Directional Gyro (DG) Mode select switch is a 2-position locking toggle switch used
to select the mode of operation for the AHRS system.
The FREE position selects the DG mode that uses the SLEW +/- switch for manual
slewing.
In the NORM position, the AHRS is slaved to the flux detector.
3.3.7.4
CDU Switch – Model 806 only
The Control Display Unit (CDU) switch is a 3-position centre-off locking toggle switch
used to select CDU reversion modes in the event of a CDU failure.
Position 1 allows cross-side tuning of radios by CDU1.
Position 2 allows cross-side tuning of radios by CDU2.
In the centre-off (NORM) position, control and display of on side radio information is
provided (radio1 on CDU1, radio2 on CDU2).
Section 3 ends
ENG-FORM: 806-0111.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.