7.3.3 Dual Frequency Page; 7.3.4 Zoom Page - VDO MAP 7w Plus GPS User Manual

Functions menu.
The Cursor key
Moving the Cursor key up/down adjusts the Variable Depth Marker (VDM) up or
down on the screen.
The ENTER key
Pressing [ENTER] activates the Sensitivity menu (see Par. 7.6.9) that allows
tuning the Gain, the Surface Noise Filter and the STC.
Fig. 7.3.2a - Sensitivity sub-menu
Pressing [CLEAR] turns off the Sensitivity menu.
The CLEAR key
By pressing [CLEAR] the Variable Depth Marker (VDM) is hidden.
The ZOOM IN and ZOOM OUT keys
From this page pressing [ZOOM IN] once changes to Zoom 2X, pressing
[ZOOM IN] twice changes to Zoom 4X, while pressing [ZOOM OUT] reverts to
Zoom 2X and no zoom.

7.3.3 Dual Frequency page

To display the Fish Finder Dual Echogram, follow this procedure:
[MODE] more times until the Fish Finder Dual Frequency page is displayed
Fig. 7.3.3 - Fish Finder Dual Frequency mode
The Cursor key
Moving the cursor to the right or the left moves the Variable Depth Marker (VDM)
between the 50 and 200kHz displays. Moving the cursor up or down will move the
VDM up and down. Press [CLEAR] to hide the VDM.
The ZOOM IN and ZOOM OUT keys
From this page pressing [ZOOM IN] once changes to Zoom 2X, pressing [ZOOM
IN] twice changes to Zoom 4X, while pressing [ZOOM OUT] reverts to Zoom 2X
and no zoom.

7.3.4 Zoom page

To display the zoomed Fish Finder page on the left half of the screen and the
unzoomed Fish Finder Echogram on the right half of the screen, follow this
procedure:
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