Garmin GNC 420W Pilots Guide - Page 104

SECTION 6 PROCEDURES      DO NOT USE FOR NAVIGATION Figure 6-56 Approach Mode Refer to Figure 6-56 for the following steps. 6) At 2.0 nm from the FAF (TOP VOR), the GNC 420 switches from terminal mode to approach mode (Figure 6-57). CDI scaling is tightened from 1.0 to 0.3 nm, full scale deflection. Figure 6-57 Approach Mode 7) When approaching the FAF, a waypoint alert ('NEXT DTK 214°') appears in the lower right corner (Figure 6-58). Figure 6-58 Waypoint Alert 8) After crossing the FAF, the destination sequences to the MAP ('RW22'). 9) When approaching the MAP, a waypoint alert ('APPRCHING WPT') appears in the lower right corner. 10) After crossing the MAP, 'SUSP' appears above the OBS Key (Figure 6-59), indicating that automatic sequencing of approach waypoints is suspended at the MAP. A 'from' indication is displayed on the CDI and Default NAV Page, but course guidance along the final approach course continues. Do not follow this extended course. Follow published missed approach procedures using the OBS Key to initiate the missed approach sequence, as outlined in this section. Figure 6-59 Final Approach 6-20 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K