Magellan GPS 310 - Manual (Page 50)

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Icons
T R A C K I N G T R A C K I N G T R A C K I N G T R A C K I N G T R A C K I N G Provides a visual indication of whether the
receiver is “locked” or “unlocked” on satellite signals. While the
tracking icon is displayed, the receiver is updating its position and
can be used to save landmarks and as a navigation tool. If the
tracking icon is not displayed, you may need to reposition the
GPS receiver to get a better view of the sky.
Battery Warning. When this icon first appears, the
receiver will operate for about an additional hour before
automatically turning off.
The Magellan GPS 310 will retain its memory (route, land-
marks, last fixes, etc.) for 30 minutes with the batteries removed.
Memory will be retained even with low batteries for approxi-
mately one month if the unit is turned off.
Light. Displayed when the LCD backlight has been turned
on with the key. The backlight will cause the batteries to
run down much quicker and should be turned off when not
needed.
E X T P O W E R E X T P O W E R E X T P O W E R E X T P O W E R E X T P O W E R External Power. Displayed when the GPS 310
is operating from external power using the GPS External
Power Cable.