Gain; How To Adjust The Signal Gain - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

Biomass line
Click the
1
Active
2 Click
Echogram
→ Echogram on page 158
On the tab, observe that the biomass can be enabled or disabled, and that you
3
Lines
can define a scale for it.
4 Make the necessary adjustments.
5 Click to save the current settings and close the dialog.
OK

Gain

These procedures explain how you can adjust the gain in the echo sounder. This controls
how "powerful" the echoes are shown in the echogram. The ES70 uses two principles
for gain; signal amplification and time varied gain (TVG).
• How to adjust the signal gain on page 79
• How to adjust the TVG gain on page 80
Related topics
• About TVG gain on page 205
• About dynamic range and display presentation on page 206

How to adjust the signal gain

Observe the
1
Gain
→ Gain on page 115
Method 1:
2
a Click [+] or [-] to choose gain.
3 Method 2:
Click the middle of the
a
b drag the cursor left or right to increase or decrease the gain.
4 Method 3 can only be used if you have a keyboard:
Click the middle of the
a
338106/A
icon under the
Main
to open the
Echogram
button on the
Main
button, hold the mouse button depressed.
Gain
button to open the sub-menu.
Gain
menu to open the
Active
dialog.
menu.
Operational procedures
sub-menu.
79