GNS 430 Pilot’s Guide and ReferenceSECTION 3NAV PAGES3-15Seven display ranges are available, allowing for amore complete view of the surrounding area.To change the display range:Select the TERRAIN Page and press up or downon the RNG Key to select the desired range:1 nm, 2 nm, 5 nm, 10 nm, 25 nm, 50 nm,100 nm (Figure 3-28).DisplayRange FieldFigure 3-28 TERRAIN Display RangeAviation information such as airports, VORs, and otherNAVAIDS can be turned on or off from the TERRAINPage.To show or hide aviation data:1) Select the TERRAIN Page and press the MENUKey.2) Select ‘Show (or Hide) Aviation Data’ (Figure3-29) and press the ENT Key. Pressing the CLRKey when the TERRAIN Page is displayed canalso be used to toggle aviation information onor off.Figure 3-29 TERRAIN Page MenuInhibit ModeThe Garmin TERRAIN system provides an ‘inhibitmode’. This mode is designed to deactivate terrainalerting when deemed unnecessary by the pilot. FlyingVFR into an area where unique terrain exists could causethe system to annunciate nuisance alerts. Pilots shoulduse discretion when inhibiting the TERRAIN system andalways remember to enable the system when appropriate.See Section 11.3 for more information on TERRAINalerts.To inhibit TERRAIN:1) Select the TERRAIN Page and press the MENUKey. ‘Inhibit Terrain?’ is selected by default(Figure 3-30).Figure 3-30 TERRAIN Page Menu