Sounder Freeze Function; Bottom Hardness Function - Hondex HDX-121 Operation Manual

SOUNDER FREEZE FUNCTION

Stop Sounder Transmit
Cancel the sounder function when showing only plotter mode on the
screen.
It helps low power consumption.
1
Go to 9.SOUNDER – 7.OTHER – 2.FREEZE SOUNDER AT PL.
2
OFF Sounder is in operation during PL mode.
ON Sounder is stopped during PL mode.

BOTTOM HARDNESS FUNCTION

Bottom Hardness Function

Bottom Hardness Level
Hard Bottom
Soft Bottom
The value appears on the upper left of screen.
Also, bottom hardness graph appears at the bottom.
1
Go to 9.SOUNDER – 6.DISPLAY SETUP –
6.BOTTOM HARDNESS GRAPH.
Note) Applicable for shallow water approx.50m
depth or less.
The value varies depending on the
conditions of transducer installation etc.
: 0~20
: Higher value
: Lower value
98
Bottom
Hardness
Level
Bottom Hardness