2.12 Suppressing 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 suppress interference, do the following:
1.Select MENU1 with the [MODE ]switch.
2.Select NOISE LIMITER.
3.Press [+] or
Interference from | Electrical interference |
other sounder |
|
Turn the noise limiter circuit off when no interference exists, otherwise weak echoes may be missed.
2.13 Suppressing Low Level Noise
When the automatic mode is on, the clutter suppression setting is fixed at AUTO. To suppress low level noise in manual sounder operation do the following:
1.Select MENU1 with the [MODE] switch.
2.Select CLUTTER LEVEL.
3.Press [+] or
Low level noise