Adjusting The Gain - Furuno GP-7000F Operator's Manual

10.3.3

Adjusting the gain

Normally, set the gain to the point where excessive noise does not appear on the
screen. Use a higher gain setting for greater depths and a lower setting for
shallower water.
1. Push the [ENTER] knob to show the SENSITIVITY window.
Note: This window can also be accessed with the SENSITIVITY menu.
2. For menu operation, choose GAIN 50 (kHz) or GAIN 200 (kHz) as
appropriate and then push the [ENTER] knob.
3. Rotate the [ENTER] knob to adjust. (Setting range: 0 to 100%)
4. Push the [ENTER] knob to set.
5. Press the [MENU] key to close the menu.
Note: Gain cannot be adjusted in the automatic sounder mode.
Gain too high Gain proper
Examples of proper and improper gain
GAIN 50*
NOISE LIMITER
CLUTTER
WHITE MARKER
SIGNAL LEVEL
Sensitivity window
10. VIDEO SOUNDER OPERATION
Gain too low
000
HIGH
0
OFF
OFF
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