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Refer back to the transducer mounting procedure for adjustments or for other mounting options.
NOTE: It is not unusual for the bottom reading to occasionally blank out. This is caused when the
unit temporarily looses the bottom. Rather than display an incorrect bottom depth, the
Humminbird Digital will blank out the display until the correct bottom is found again.
TROUBLE SHOOTING: If the bottom reading is lost while making a hard turn, the
transducer is coming out of the water during the turn.
OPERATIONAL INSTRUCTIONS
With only four buttons your Humminbird Digital is very easy to use. The use of each
button is explained below, as well as some special functions such as selecting feet, meters, or
fathoms and the option of deleting the decimal point.
Power On-Off
Power to your Humminbird Digital is controlled by the button marked "on". Pressing this
button once turns the unit on. Pressing it again turns the unit off.
Night Light
The night light automatically turns on when the unit power is turned on. Red light emitting
diodes, (LED's), are used to backlight the display.
These LED's require very little power and should never need replacement. You will see the red
backlight as the surrounding light conditions become low or dark.
Feet, Meters, Fathoms
The unit of measure may be selected by using the "on" button. With the unit turned off,
press in and hold down the "on" button. Watching the display, in about one second you will notice
the unit of measure changing from feet to meters to fathoms to feet, etc. When the desired unit of
measure is displayed release the "on" button. This unit is now set and will not change even when
power is turned off or is disconnected.
Alarm On-Off
The bottom alarm is turned on and off by pressing the alarm button. The alarm symbol
appearing in the upper right portion of the display indicates that the bottom alarm is on.
The alarm will sound when the bottom reading becomes equal to or less than the alarm
setting.
Alarm Setting
The _A (increase) and (decrease) buttons are used to display or change the alarm
settings. Pressing either button once will cause the alarm setting to be displayed. Continuing to
press either button will change the alarm setting. Holding the button down will cause the setting to
change rapidly. The alarm setting will always flash on the display so you can always separate it
from the bottom depth reading.
The alarm is set in whole increments (no decimal settings). Once a setting is entered, it
will not change after the power has been turned off or if the power is disconnected.
DELETING THE DECIMAL POINT
If you would rather not have a decimal point in bottom depth reading, it can be deleted.
To delete the decimal point, press both the _A and buttons at the same time. Use the same
procedure to add the decimal point. The decimal point setting will not change after the power has
been turned off or is disconnected.
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