Aircraft Systems
NAVIGATION INSTRUMENTS
AL250 Flight Manual
MEP
DME
The DME Line Select Key is used to determine the NAV receiver from which the DME
display takes its information.
• NAV 1 shown: The displayed values are based on the beacon s ele cte d on NAV1.
• NAV 2 shown: The displayed values are based on the beacon s ele cte d on NAV2.
• Position HOLD: The DME display keeps the latest frequency selected (on NAV1
or on NAV2) in memory, and another frequency can be selected on the receiver.
The display w ill still show the information transmitted on the frequency stored
in me m ory.
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