Furuno GP-3300, GD-3300 manual Clearing Memories, 12-12

IF...	THEN...
Plotter Section (GD-3300/GP-3300)
you cannot save display to a memory card	• the card has not been formatted.
	• the card is write protected.
	• the card is full.
GPS Section (GP-3300)
GPS accuracy is poor	• check for wrong antenna height setting on the GPS
	INITIAL SETTINGS menu.
GPS position-fixing time is short	• HDOP threshold and maximum elevation angle
	settings on GPS INITIAL SETTINGS menu may be
	wrong. The default settings of 20 (HDOP) and 5∞
	(elevation angle) work well in most all cases.
position-fixing time much shorter than that	• HDOP setting (GPS INITIAL SETTINGS menu) is too
of other vessels	small.
there is no position fixing	• the Almanac is more than one year old.
	• check for wrong date and time on INITIAL SETTINGS
	menu.
	• check antenna.

12.8 Clearing Memories

Both the GD-3300 and GP-3300 have GD and display screen memo- ries. The GP-3300 also has the GP memory.

Memories can be cleared to start fresh operation. When you clear a memory the equipment automatically restores default settings for the memory cleared.

1. Press the [MENU] key.

MENU

1WAYPOINT

2ROUTE

3SAVE DATA TO MEMORY CARD

4LOAD MEMORY CARD

5DISPLAY MEMORY CARD

6CORRECT POSITION

7APPORTION/DELETE MEMORY

8INITIAL SETTINGS

9MISC

SELECT BY USING NUMBER KEY.

Figure 12-9 Main menu

12-12