Altair Glide Computer and Navigation System User Manual download pdf (Page 14)

INSTALLATION and OPERATING MANUAL FLARM-NAV Display and Navigation System

Version 1.13 Page 14 of 25 January 2012

Flight display

The flight display page is the default page typically visible during the flight except when the user needs to

interact with the system. At any time, when a FLARM collision alert occurs, the system will automatically

return to this page.

This display has two modes, the first being a large three quarter size `radar’-like horizontal situation indicator

(HSI) with navigational information summarised on the left.

Pressing [OK] toggles between the display modes. Pressing

[Up]/[Down] adjusts the volume with a value from 1 to 7 being

displayed.

On the radar, an outer dashed ring is drawn at a range of 2.5

km, and inner ring is drawn at 1.0 km.

The second shows a smaller HIS with navigational information

summarised on the left. When there is no active task, the

navigational information is blank

If a task is defined, a caret points to the active waypoint. When the aircraft is within 1 km of the waypoint, a

hollow triangle symbol appears in the top right corner of the radar area and pressing [Esc] will advance to the

next waypoint.

The FLARM traffic is drawn on the radar display as a disk,

hollow for FLARM alert level 0 (information), cross-hatched for

alert level 1 (caution), and solid for alert level 2 (warning).

If there is a height difference greater than 100 meters, above

the target is displayed a triangle pointing up or down with the

number of hundred of meters relative height.

For traffic with a collision alert level 1 and 2, a line is drawn from the traffic to the edge of the radar display.

At this edge, the relative altitude symbol is displayed. This design makes it easy to see in which direction the

traffic is relative to you.

Error status icons also may appear at the top right of the display. A small antenna symbol is displayed when

there is no valid GPS fix. The FLARM logo (a series of arcs) is displayed to indicate FLARM transmission

failure. A hollow battery symbol is displayed when FLARM reports low battery voltage.

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Altair Glide Computer and Navigation System User Manual Page 14