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LMM for the Kodiak 100 Page 2-21
190-02102-00 Rev.4
2.3.1.5 GMC 710 AFCS Controller
Figure 2-7 shows the GMC 710 faceplate controls. The Garmin AFCS is mainly
controlled through the GMC 710 AFCS Control Unit. The AFCS Control Unit consists
controls listed below.
Figure 2-7. GMC 710 Controls
Except for the FD and SPD Keys, if a key is selected, its respective
annunciator is illuminated
Table 2-5. AFCS Control Unit (GMC 710)
1 HDG Key Selects/deselects Heading Select Mode.
2 APR Key Selects/deselects Approach Mode.
3 NAV Key Selects/deselects Navigation Mode.
4 FD Key Activates/deactivates the flight director in the default pitch and
roll modes. If the autopilot is engaged, the FD Key is disabled.
5 XFR Key Switches the autopilot between the pilot-side and the copilot
side flight directors. This selection also selects which air data
computer is communicating with the active transponder. Upon
start, the pilot-side FD is selected.
6 ALT Key Selects/deselects Altitude Hold Mode.
7 VS Key Turns optional DME audio On or Off.
8 FLC Key When selected, the #1 NAV receiver audio can be heard.