Reducing Interference - Furuno GP-7000F Operator's Manual

10.5

Reducing Interference

Interference from other acoustic equipment operating nearby or other electronic
equipment on your boat may show itself on the display as shown below.
To reduce interference, do the following:
1. Push the [ENTER] knob to show the SENSITIVITY window.
2. Rotate the [ENTER] knob to choose NOISE LIMITER and then push the
[ENTER] knob to show the noise limiter window.
3. Rotate the [ENTER] knob to choose the degree of suppression desired (LOW,
MEDIUM, HIGH) or turn the noise limiter off.
4. Push the [ENTER] knob and [MENU] key in order to close the menu.
Turn the noise limiter circuit off when no interference exists, otherwise weak
echoes may be missed.
Types of interference
GAIN 50* 000
NOISE LIMITER HIGH
CLUTTER 0
WHITE MARKER OFF
SIGNAL LEVEL OFF
Sensitivity menu
OFF
LOW
MEDIUM
HIGH
Noise limiter window
10. VIDEO SOUNDER OPERATION
10-13