Map Datum (Advanced); Export All Nav Data (Advanced); Delete All Nav Data (Advanced) - Humminbird 931C Installation And Operation Manual

93x_Man_531370-1_A - vs4.qxd 2/18/2005
MAP DATUM
(Advanced)
Map Datum allows you to change the map coordinate system used by the 900 Series™
to match those of a paper map.
To change the Map Datum setting:
1. Make sure you are in Advanced User Mode, then highlight Map Datum on the
Navigation main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Map Datum
setting. (Default = WGS 84)
EXPORT ALL NAV DATA
(Advanced)
Export All Nav Data allows you to export all saved Tracks, Waypoints and Routes to an
MMC/SD card.
To Export All Navigation Data:
1. Make sure you are in Advanced User Mode, and that an optional-purchase
MMC/SD card is installed in the slot, then highlight Export All Nav Data on the
Navigation main menu.
2. Use the RIGHT 4-WAY Cursor Control key to export all navigation data.
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Delete All Nav Data allows you to delete all saved Tracks, Waypoints and Routes. This
menu choice should be used with caution.
To Delete All Navigation Data:
1. Make sure you are in Advanced User Mode, then highlight Delete All Nav Data
on the Navigation main menu.
2. Use the RIGHT 4-WAY Cursor Control key to delete all navigation data.
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DELETE ALL NAV DATA
(Advanced)