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2. HORIZONTAL MODE
2-17
2.12.5 Suppressing interference from marine life
If you are fishing in an area where there are a lot of fishing vessels, you may receive
interference from other vessels’ sonar or echo sounder. Further, electrical interference
onboard own ship may generate interference. To suppress this type of interference use the
interference rejector.
(A) Inteference from (B) Interference from
other sonars (yours marine life
or other's)
Interference from other sonars, marine life
1. Press the MENU key to open the menu.
2. Press ▲ to choose MENU and then press ◄ to choose the COM1 menu.
3. Press ▲ or ▼ to choose INT REJECT and then press ►. The following dialog box
appears.
INT REJECT
OFF LoFREQ HiFREQ BOTH
4. Press ◄ or ► to choose the frequency where you want to suppress interference. When
the interference suppressor is turned on
appears at the top of the screen.
5. Press the MENU key to register your selection and close the menu.
Note that the interference rejector cannot be turned on/off independently for each frequency
in case of the dual-frequency display.