Lowrance electronic 100M - Manual (Page 42)

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This example shows the Pop-up Help message for the Screen com-
mand, located on the Main Menu.
Disable/Enable TBT (Turn-by-Turn)
Although the iWAY is designed to provide you with powerful turn-by-turn
routes, sometimes you want navigation information directly to your desti-
nation, regardless of the roads between here and there. We refer to this as
Line of Sight navigation.
Turn-by-Turn routing is only available in areas covered by a MapCreate
custom map file. If you're navigating in an area outside of your custom
map, or if you wish to disable Turn-by-Turn route generation for any other
reasons, choose Disable TBT from the Main Menu and press ENT.
When Turn-by-Turn navigation is disabled, the iWAY will offer additional
menu options and map display behavior that is unnecessary in Turn-by-
Turn mode. These features are detailed fully in the iFINDER H2O manual
available for free download from our website at the following address:
http://www.lowrance.com/Manuals/
To return to Turn-by-Turn mode, simply press MENU twice to return to
the Main Menu, then choose E
NABLE
TBT and press ENT .
Transfer My Data
Custom Maps:
Custom maps work only from the MMC card or SD card. When a card
containing a Custom Map File is loaded into the unit, it automatically
loads the map into memory when the unit is turned on.
Instructions for copying Custom Map Files to an MMC are contained in
the instruction manual for your MMC card reader and MapCreate 6
software. For instructions on inserting an MMC into the iWAY, see Sec.
1, Installation/Accessories.