8
Max A-Range
It sets maximum depth when auto range is operating.
Set Max A-Range on MENU 1: 30, 100, 200, 300m, Max.
Zoom
Set zoom rate in MENU 1:×2.5, ×5, ×10.
Fish Alarm
When the response to be supposed fish school is displayed and the fish
depth is above 4m, alarm goes off.
Off
：
fish alarm is cancelled.
Small
：
to catch the response form big and small fish school.
Big
：
to catch the response from big fish school only.
Note: Fish alarm sometimes reflects to floating matter except fish.
Set Fish Alarm on MENU 1: Off, Small, Big.
Back Ground
Reflected echo is indicated in different colors according to its strength.
Visual image of display differs from surrounding brightness. It becomes
easy to see the display by selecting different the background color.
Select Back Ground color in MENU 1: Grey, Blue, D-Blue, Black.
Pulse Width
Normally pulse length is set to short automatically according to set
displayed depth range.
Set Pulse Width in MENU 1: Short, Long.
