Mark Key; Goto Key - Humminbird 797C2 Operation Manual

MARK Key

Press the MARK key while in any view to mark the position of a
waypoint, either at the current boat location, or, if the Cursor is
active, at the current Cursor location.
The MARK key only functions if you have the GPS receiver connected, or if you have
enabled Screen Snapshot from the Accessories menu tab. If you have enabled the
Screen Snapshot feature, pressing the MARK key still creates a waypoint, but it also
captures the screen image to the optional-purchase MMC/SD card.
NOTE: You must have an optional-purchase MMC/SD card installed for the screen snapshot
feature to work.
Navigation is not affected by the Screen Snapshot feature. Also, if Screen
Snapshot is enabled but there is no GPS receiver connected, pressing the
MARK key will capture the screen image and display an error saying that a GPS
position fix is required to create a waypoint.

GOTO Key

The GOTO Key has multiple functions, depending on the situation:
• If the Cursor is active, pressing the GOTO key while in any view creates
a waypoint and starts navigation towards that waypoint. If the Cursor is
not active, pressing the GOTO key displays the list of waypoints, so that
you can select the waypoint towards which you want to navigate.
• If the GOTO key is pressed and held for more than 1.5 seconds, the Man
Overboard (MOB) function is activated. When MOB is activated, an
MOB waypoint, which is a permanent, sharable waypoint with a large,
distinctive icon, is created at the boat's current position (regardless of
whether the chart cursor is active or not). Any current navigation will be
cancelled and the current route discarded without user notification, and
MOB navigation begins immediately. The view is switched to the Chart
View automatically when MOB is activated, and it is not possible to
activate MOB or modify the current route without first canceling MOB
navigation. Any press of the GOTO key, or selection of a GOTO menu
item, will cause an error beep and a short message will be displayed to
the user that will disappear after 2 seconds.
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