4. MAINTENANCE, TROUBLESHOOTING
4.4Program Number
You may display the program number as follows:
1.Press the [MENU] key to open the menu.
2.Choose SOFT VER. and press the [ENT] key.
SOFTWARE VERSION
DISPLAY
PROCESS
GPS1
GPS2
GPS3
DGPS*
*= Blank if no DGPS receiver is connected.
**= Program version no.
Program version no. display
3. Press the [DISP] key to close the program version no. display.
4.5Clearing Data
You may clear GPS data and system data all at once or individually as follows:
1.Press the [MENU] key to open the menu.
2.Choose ERASE and press the [ENT] key.
3.Choose GPS DATA, SYSTEM DATA or ALL BACKUP DATA (clears GPS and
SYSTEM data) as appropriate. One of the following displays appears
depending on yourERASEAREselectionYESYOUGPSSURE?DATA?NO. ERSEDAYESRETA?ALLYOU(DEFAULT)BCKUPNOSURE?
ERASESYSTEM
DATA?YSREYOU(DEFAULT)SURENO?
Prompts for erasure of data
4.Press ◄ to choose YES and press the [ENT] key to erase. After data is erased the message “Completed erasing. Turn off the unit.” Is displayed.
Note: MOUNTING, DIRECTION and LANGUAGE in the INST menu, HDG RESTORATION and HDG BACKUP in the ALARMS menu, STATION in the DPGS menu and OFFSET in the HEADING SETUP menu are not cleared.
5. Turn off and on the power.