JRC JFS-280, Instruction Manual

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3-25 3 Operating procedures
3
Adjusting the Buzzer Sound 3.3.5
Operating procedure
You can adjust the sound of the buzzer of the controls by pressing the [VOL] knob.
Each time you press the [VOL] knob, you can adjust the buzzer's volume through five levels.
Each time it is pressed it cycles as shown below.
Lowest → Low → Medium → Loud → Loudest → Lowest
Stopping the Fish Finder Alarm 3.3.6
Operating procedure
Press the [CLR] key.
The alarm stops.
Setting the Display Colors 3.3.7
Operating procedure
You can set the sonar display to a maximum of 32 colors and the fish finder to a
maximum of 16 colors. It is possible to select color patterns and colors for the text
from the available colors.
You can select the sonar imaging and fish finder imaging by pressing the [MENU] key
"OPERATION" → "SCREEN SETTING" → "COLOR SELECT".
You can select "M0/M1/M2/M3/U1/U2/U3/U4" for the color pattern of the images and
"White/Green/Yellow/Black" for the text.
You can change each of the 32 colors for the sonar image display and the 16 colors for the
fish finder image display individually with the "SONAR COLOR" settings in the "F/F
COLOR" setting menu.
The initial values set for the sonar image are shown below.