9 - AUX PAGES185190-00357-00 Rev GSetup 1 Page6. Turn the small or large right knob to high-light the desired item and then press ENT.7. Press the small right (CRSR) knob twice toexit the selection process.COM Configuration — allows you to select8.33 kHz or 25.0 kHz COM frequency channelspacing.NOTE: 8.33 kHz VHF communication frequency channelspacing is not approved for use in the United States.Select the 25.0 kHz channel spacing option for use inthe United States.CDI / AlarmsTo set the airspace warning messages or changethe altitude buffer:1. Select “CDI / Alarms” from the Setup 1 Page.2. Turn the large right knob to highlight the“On”/”Off” field next to the desired airspacetype. (“MOAs & Other Airspace” includes mili-tary operation, alert, caution, danger, trainingand warning areas.)Turn the large right knob to select the de-sired airspace type, then turn the small rightknob to select “On” or “Off”.3. Turn the small right knob to select “On” or“Off”, as desired. Press ENT to accept theselection.4. To change the altitude buffer, turn the largeright knob to highlight the “Altitude Buffer”field. Use the small and large right knobsto enter the desired buffer distance. Press ENTwhen finished.This buffer distance is added to the floor/ceiling limits and provides an added marginof safety.NOTE: When an approach has been loaded intothe active flight plan, airspace alert messages aredisabled within 31 NM of the destination airport.To change the maximum CDI scale setting:1. Select “CDI / Alarms” from the Setup Page.2. The flashing cursor highlights the “SelectedCDI” field. Turn the small right knob to selectthe desired CDI scale. The selected scale andany lower scale settings are used during thevarious phases of flight as described in Section11 FDE - CDI/Alarms.3. Press ENT to accept the selected scale. The“System CDI” field displays the CDI scale cur-rently in use. The “System CDI” setting maydiffer from the “Selected CDI” depending uponthe current phase of flight.
