II Morrow Inc. NMC 2001 Operating Manual page 43

Operations Emergency Mode Displays
Emergency Mode Displays (continued)
The display below may be selected with the Large knob after entering
EMG mode, and is used to set the runway search limits. The surface
limit may be set for "Hard", "Hard/Soft", or "Hard/Soft/Water".
Lighting requirements ("LIT:") may be set for "YES" or "NO". The
runway requirements may be changed by pressing SEL, using the
Large and Small knobs to edit the display, and pressing ENT. Those
waypoints that do not meet the requirements are not displayed while
using the Emergency Search or Search Around a Waypoint features.
All nearest waypoints are displayed during Emergency Search if
runway limits are set to zero.
If you attempt to set the lighting requirement when the runway length
is set at 0, the display below appears for approximately 3 seconds.
If you attempt to set the surface type requirement when the runway
length is set at 0, the display below appears for approximately 3
seconds.
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