Garmin SL30 GNS 480TM Pilot's Manual
Also see for Apollo SL30: Installation manualQuick reference guidePilot's guideInstallation
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25Advanced OperationNav Modeexcept in Back Course mode. When you see only the airplane icon you are on course.Additional information may be displayed on the clear side of the CDI. This optionalinformation is selected in a system menu and includes a to or from indicator, a numericrepresentation of the deflection in tenths of degrees, or nothing at all. Note that the additionalinformation only switches sides after the CDI deflection has exceeded two degrees on the sidethat is currently used.LocalizerA localizer (ILS) frequency is distinguished from the VOR OBS display by the label, “loc,”to the left of the CDI rather than the OBS course. If the back course is selected, then “bc”will appear as additional information. The “loc” label is replaced by the station’s Morse codeidentifier after it is decoded. The CDI display will be dashed and marked flagged if no signalis detected on the active channel.109.90 s117.40 loc A}}Back CourseWhen a localizer channel is active and the SL30 is in Nav mode, the Sel button willbring up a prompt to enable or disable the Back Course mode. The eNT button will enablethe Back Course mode. The lARGe knob will still scroll through the recall lists. Back Coursemode is not available if the SL30 is set to use an external indicator head with a built-in VOR/LOC converter.When you set up the Back Course approach in your SL30, no additional setup is requiredfor your HSI or autopilot. The SL30 corrects the Left/Right deviation indications to your HSIand autopilot, if they are coupled to the SL30. In addition, the Glideslope indicator will beTOIndication2 Deflectionº |
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