Operation Manual

127
User Manual
The MENU key (to change the active window)
When in Chart/Fish mode pressing 'MENU':
• if the focus (the active window) in on the Chart, the Main menu is shown.
Pressing again 'MENU' opens the Fish Finder Setup menu and moves the
focus to the Fish Finder.
• if the focus (the active window) in on the Fish Finder, the Fish Finder Setup
menu is shown. Pressing again 'MENU' opens the Main menu and moves the
focus to the Chart.
Note
When focus is on the Chart page, all keys work in cartography standard mode.
6.4 ZOOM MODES
6.4.1 THE BOTTOM LOCK ZOOM
The Bottom Lock Zoom mode is activated when the Fish Finder is in Auto
Range or Bottom Lock mode (see Par. 6.6.3) and the Variable Depth Marker (VDM)
is not displayed on the screen.
In Bottom Lock Zoom mode the Fish Finder Echogram is automatically
moved up/down as to keep the Bottom Line always visible in the lower half of the
screen.
Note
Moving the Cursor key up/down displays the Variable Depth Marker (VDM) switching the Fish
Finder in Marker Zoom mode.
6.4.2 THE MARKER ZOOM
The Marker Zoom mode is activated either when the Fish Finder is in Manual
Range mode (see Par. 6.6.3) or the Depth Cursor is displayed on the screen.
In Marker Zoom mode the Fish Finder Echogram position is controlled by
moving the Variable Depth Marker (VDM) and pressing and holding 'ENTER' for 1
second on the selected position. Moving the Variable Depth Marker (VDM) over the
top or below the bottom of the screen, automatically moves up/down the current
zoomed Echogram view and re-position the Variable Depth Marker (VDM) at the
center of the screen.