Simrad ES80 Reference Manual page 46

Simrad ES80 Reference Manual
3 The following methods can be used for this adjustment.
• : Select [+] or [-] to choose the level.
Method 1
• : Select the middle of the button, hold the mouse button depressed.
Method 2
Drag the cursor sideways to increase or decrease the level.
• : Select the middle of the button to open the menu. Type the requested
Method 3
value.
You can only do this if you have computer keyboard connected to your Processor
Unit.
Note
Remember that in a Bottom echogram, the
4 Locate the
Range
Range function, page 309
5 The following methods can be used for this adjustment.
• : Select [+] or [-] to choose the level.
Method 1
• : Select the middle of the button to open the menu. Select a value from
Method 2
the options provided.
• : Select the middle of the button to open the menu. Type the requested
Method 3
value.
You can only do this if you have computer keyboard connected to your Processor
Unit.
Note
By selecting
Auto
current depth.
Example
In a surface echogram, set the
echogram start from the sea surface (provided that the transducer offset has been
defined). Set
Range
the area from the sea surface and down to 20 meters "below" the bottom. The bottom
contour is easily detected when the depth changes.
In a bottom echogram, set the
echogram start from 5 meters above the bottom. Set
meters. The echogram will now show the area from 5 meters above the depth, and down
to 10 meters "below" the bottom. The bottom contour will appear as a flat line.
44
function.
, the ES80 automatically adjusts the range according to the
Start Range
to the current depth plus 20 meters. The echogram will now show
Start Range
value must be negative.
Start Range
value to 0 meters. This will make the
value to –5 meters. This will make the
to the 5 meters plus 10 = 15
Range
406273/C