Altair Glide Computer and Navigation System User Manual Page 37

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XCSoar User Manual
On Altair, the rotary knob can be used to zoom in and out, or select
from the menus:
DISPLAY . Zoom in and DISPLAY . Zoom out
The map scale is displayed in the lower left corner of the moving
map display, and as a striped bar on the right side of the map area.
The alternating colours in the striped bar represent the distance
measurement in a decimal scale, (e.g. 0.1 km, 1 km, 10 km, 100
km) depending on the zoom level.
Compaq Aero Users. If you enable the Compaq Aero Game Keys
(On the Q-menu) the centre two front buttons become the up/down
keys.
There is a facility to have two zoom settings; one when the glider
is in circling flight mode, and one in the cruise or final glide flight
mode. This is the ”Circling zoom” option in the configuration
settings. When the user zooms in or out, it affects the current
mode’s zoom setting only, so when leaving the mode the previous
mode’s zoom setting is used. If ‘Circling Zoom’ is not enabled,
there is only a single zoom level.
Auto-zoom automatically zooms in when approaching a waypoint
to keep the waypoint at a reasonable screen distance. The user
can still zoom out if desired. When auto-zoom is active, ’AUTO’
appears next to the map scale.
To turn auto zoom on or off, select from the menu
DISPLAY . Zoom Auto
When a waypoint changes (automatically, via the task selector, or
by manually switching waypoints), auto-zoom returns the zoom
level to what it was immediately prior to its alteration. This has the
effect of allowing users to zoom in and out manually in cruise, and
when approaching a waypoint, the system automatically zooms in.
When passing the waypoint, the system goes back to the previous
cruise zoom level in effect.
3.4 Panning the map
A pan mode allows the user to explore areas beyond the glider.
This is particularly useful when task planning.
1. Enable pan mode by pressing
DISPLAY . Pan
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