Si-tex ES502, User Manual

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16 User Manual
The ENTER key
Pressing [ENTER] activates the Sensitivity menu (see Par. 3.1.1) that allows
tuning the Gain, the Surface Noise Filter and the STC.
Fig. 2.2.2a - 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.
2.2.3 Dual Frequency page
To display the Fish Finder Dual Echogram, follow this procedure:
[MENU] + "PAGE" + [ENTER] + "FISH FINDER" + [ENTER] + "Dual Fre-
quency" + [ENTER]
COLOR MAX 11/COLOR MAX PRO/COLOR MAX 15:
[DATA] + "FISH FINDER" + [ENTER] + "Dual Frequency" + [ENTER]
TRAWL PLOT 12/TRAWL PLOT 12 SD:
[PAGE] + "FISH FINDER" + [ENTER] + "Dual Frequency" + [ENTER]
Fig. 2.2.3 - 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.