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4. MAINTENANCE, TROUBLESHOOTING
4-5
4.4 Program 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 205-1312-0**
PROCESS 205-1311-0**
GPS1 205-1313-0**
GPS2 205-1313-0**
GPS3 205-1313-0**
DGPS* 085-0182-0**
* = 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.
4.5 Clearing 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 your selection.
ERASE GPS DATA?
ARE YOU SURE?
YES NO
ARE YOU SURE?
ARE YOU SURE?
ERASE SYSTEM
DATA? (DEFAULT)
ERASE ALL BACKUP
DATA? (DEFAULT)
YES NO
YES NO
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 DGPS menu and OFFSET in the HEADING SETUP menu are
not cleared.
5. Turn off and on the power.