Simrad ES80 Reference Manual page 94

Simrad ES80 Reference Manual
The ES80 has a dynamic range of
140 dB. This means that the ES80
can receive both very strong and very
weak echoes. Actually, the ES80 will
detect echoes from plankton to whales,
bottom on most depths, and present the
information free from distortion. As a
comparison, our old echo sounders
ES380 and ET100 had - using analogue
TVG - a dynamic range corresponding
to approximately 65 dB.
Procedure
1 Observe the
Main
Its default location is on the right side of the ES80 presentation.
2 Observe the
Gain
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
Do not confuse this
Related topics
Gain function, page 312
92
menu.
button.
setting with the
Gain
(Time Varied Gain) setting.
TVG
406273/C