Magellan NAV 5000 - Unit Turns off During Use; Position Fix Doesnt Change

Do thIs:
Do this:
6-6
external power
Do this:
UNIT TURNS OFF
DURING USE
Do this:
POSITION FIX
DOESN'T CHANGE
The power jack is not fully inserted.
Press the jack in firmly.
The unit is operating with the Battery
Saver on.
Turn unit back on. Use AUX 9 to
turn the Battery Saver off.
External power was interrupted, and
the unit switched to battery power.
Turn the unit on. Watch the self-test
display to verify the power source.
Check the external power source
for malfunctions. Also check all
connections.
The Signal from one or more satellites
has been lost; the position fix dis-
played is the most recent one
available, and the hourglass is visible
on the fourth line of the display.
Display may be frozen; keypad does
not respond.
Do this: Remove the batteries and wait for
the unit to turn off.
OR
With the batteries in place, and the
unit on, short the two center con-
nectors in the battery compartment.
NOTE: This will also clear the
unit's memory.