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Software Version Information
From time to time, Lowrance updates the operating system software in
some of its products. These software upgrades are usually offered to
customers as free downloads from our web site, www.lowrance.com.
These upgrades make the unit perform better or introduce a new fea-
ture or function. You can find out what software version is running in
your GlobalMap by using the Software Information command.
Software Information command (left). GlobalMap 5500C (center) and
GlobalMap 4900M (right) Software Information screens.
1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓ to SOFTWARE INFO|ENT.
2. Read the information displayed on the screen.
3. To return to the last page displayed, press
EXIT|EXIT|EXIT.
Sounds and Alarm Sound Styles
Sounds triggered by key strokes and alarms can be adjusted:
Press
MENU|MENU|↓ to SOUNDS|ENT.
Sounds command (left), GlobalMap 5500C Sounds menu (center) and
GlobalMap 4900M Sounds menu (right) with External Audio option.
Once in the Sounds menu:
To set Key Press Sounds:
With the option highlighted, press ENT to
check it (turn on) and uncheck it (turn off). After the option is set, press
EXIT|EXIT to return to the page display.
To set Alarm Sounds: Press ↓ to ALARM SOUNDS. With the option high-
lighted, press
ENT to check it (turn on) and uncheck it (turn off). After
the option is set, press
EXIT|EXIT to return to the page display.
To set External Audio (Globalmap 4900 only): Use → to highlight the op-
tion. Press
ENT to check it (turn on) and uncheck it (turn off). After the