Info Key; Mark Key; Zoom Keys; Goto Key - Humminbird 858c Combo Installation And Operation Manual

INFO Key

INFO key
NOTE: Your control head will have one of the INFO keys shown
here. Both keys function in the same way.

MARK Key

MARK key
Active Cursor:
Without Active Cursor:
If Screen Snapshot is active
Views: Snapshot and Recording View
NOTE: If Screen Snapshot is enabled but there is not a 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.
NOTE: You must have an optional-purchase MMC/SD card installed for the
screen snapshot feature to work.
Key Functions
Views: Viewing Cartography

GOTO Key

GOTO key
Active Cursor:
Without Active Cursor:
Man Overboard:
(MOB) Navigation
ZOOM (+/-) Keys

Zoom keys

Navigation Views or the Sonar Zoom View:
Side Imaging® View:
Man Overboard