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Northstar Explorer D310 Installation and Operation Manual
5
Set backlight for screen and keys
You can set the backlight to one of four brightness
levels or off. Press
once to display the current
backlight level, press
again to change the level:
Backlight
level 2
The display
The display normally shows depth. If it displays
dashes (— —) then it means that the depth is too
deep or unknown.
2-3 Alarms
The Explorer D310 can be set to sound an alarm
when the water is too deep or too shallow (see
sections 3-2 and 3-3). When the alarm sounds,
the internal beeper sounds, the
symbol on the
display flashes and any external beepers or lights
operate.
Press to mute the alarm. The alarm stays muted
until the depth becomes normal. The alarm will
sound if the depth becomes too deep or too
shallow again.
2-4 Simulate mode
Simulate mode allows you to become familiar
with the unit off the water. In Simulate mode,
the Explorer D310 functions normally except the
transducer is ignored and the unit generates this
data internally. The word SIMULATE flashes at the
top, left corner of the screen.
To turn Simulate mode on or off:
1 Turn the power off.
2 Hold down
while you turn the power on.
+
Hold
Hold
+
5 sec
Turn Simulate
on or off
Reset memory
Adjust backlight
(4 levels or off)
Mute an alarm
Change depth units (metres, feet
or fathoms)
Set Keel Offset
Set Too Shallow
alarm
Set Too Deep
alarm
Hold
2 sec
Hold
2 sec
+
2-5 Key reference
Setup
Set alarms
Turn power on
Normal operation
+
Turn alarm
on or off
Increase
alarm
depth
Decrease
alarm
depth
Return to
normal
operation
Increase
value or
change
setting
Decrease
value or
change
setting
Return to
normal
operation
Set Backlight
Group
Hold
2 sec