Altitude hold mode – TruTrak Vizion 380-385 Operation Manual User Manual

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6.4.2. Altitude Hold Mode

The altitude hold mode or ALT HOLD holds the selected altitude.

The autopilot can hold at any 100-‐foot increment. When directly
entering the ALT HOLD mode, the autopilot will go to the nearest

100-‐foot increment. It is recommended that the altimeter be synced
prior to using altitude hold.

This mode is accessed from SVS, SEL, or GS ARM mode by

pressing the ALT button and then pressing the KNOB. The transition
from SVS to ALT HOLD mode is shown in figure 6.4.2a.

NOTE: pressing ALT when in GS CPLD mode will initiate the

Missed Approach! (see section 6.4.7 for Missed Approach mode)

NOTE: Pressing ALT while in GPSV mode will not change any

vertical modes! (see section 6.4.5 for GPSV mode)

Press ALT

Press KNOB

Figure 6.4.2a