Honda Electronics HE-6801 - TO SET AUTO GAIN(Automatic Sensitivity Control); TO SET AUTO RANGE (Automatic Range Control); TO SET AUTO SHIFT (Automatic Display Range Shift)

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Please refer to [HOW TO OPERATE MENU] ( page12 ) for operation of menu.
TO SET AUTO RANGE (Automatic Range Control)
Depth range is automatically changed so that sea bottom is always shown on the
optimum position of screen (lower half area).
Auto Range
Select [9.SOUNDER] [3.AUTO RANGE] on
menu.
Set [3.AUTO RANGE] to RANGE.
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TO SET AUTO SHIFT (Automatic Display Range Shift)
Select [9.SOUNDRR] [3.AUTO RANGE] on
menu.
Set [3.AUTO RANGE] to SHIFT.
Displayed range is automatically changed (shifted) so that sea bottom is always shown
on the optimum position of screen (lower half area).
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Auto Shift
TO SET AUTO GAIN(Automatic Sensitivity Control)
Select [9. SOUNDER][4. AUTO GAIN] on menu.
Establish [4. AUTO GAIN].
LOW :Sensitivity decreases. When you judge
status of bottom, it helps you to confirm
second or third reflection.
HIGH :Sensitivity increases. It helps you to
detect weak object like bait fish, etc.
OFF :Cancel Auto Gain function.
Sensitivity is automatically adjusted so that response from sea bottom is even.
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Auto Gain