Advanced options
Surface clarity
Wave action, boat wakes and temperature inversions can cause on-
screen clutter near the surface.
The surface clarity option reduces surface clutter by decreasing the
sensitivity of the receiver near the surface.
Ú
Note:
By default, surface clarity is set to Low, for optimal image
return and clarity.
More options
Range Lines
Range lines can be added to the image to make it easier to estimate
depth.
Palettes
You can select between several display palettes optimized for a
variety of fishing conditions.
Measuring distance
The cursor can be used to measure the distance between the
position of two observations on the image.
1.
Position the cursor on the point from where you want to
measure the distance
2.
Start the measuring function from the More options menu
option
Ú
Note:
The measure function is not available in the menu unless
the cursor is placed on the image.
3.
Position the cursor on the second measuring point
- A line is drawn between the measuring points, and the
distance listed in the Cursor Information window
4.
Continue selecting new measuring points if required
You can use the menu to re-position the start point and the end
point as long as the measuring function is active.
When you select Finish measuring or press the Exit (X) key, the
measuring function stops. Press the Cursor/Waypoint key to remove
68
DownScan
| Hook² Series Operator Manual
