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Northstar Explorer D210 Installation and Operation Manual4
Whenever power is applied the depth sounder is
active and water depth is displayed. If the sonar
signal does not show a bottom the display will
indicate “- -”. This can occur if the water is aerated
or the maximum depth is exceeded.
Note: The maximum depth decreases as boat speed
increases.
Alarms
Two types of alarms can be set; the Deep Alarm
and the Shallow Alarm. The Deep Alarm can be
set as high as 184 metres (605 feet) while the
Shallow Alarm can be set as low as 0.3 metre (1
foot).
Whenever the water depth is greater than the
Deep Alarm setting and the alarm is enabled an
alarm will sound. The alarm repeats two short
beeps and alternates DAL and the water depth
on the display.
Whenever the water depth is less than the
Shallow Alarm setting and the alarm is enabled
an alarm will sound. The alarm repeats a single
long beep and alternates SAL and the water
depth on the display.
Alarms On/Off
Alarm settings are saved in memory.
To turn the alarm on, press
(ON). An arrow on
the lower right corner of the display will show
(next to the Alarm Bell), to indicate that the
alarms are on.
To turn the alarms off, press
(OFF). The arrow
in the lower right corner will extinguish.
Note: The arrow will flash if alarms are turned ON
but the shallow alarm is individually set to OFF. See
next section.
Shallow Alarm
To set the shallow alarm:
1. Press
for three seconds. The display will
show:
2. After a few seconds the display will indicate
the current Shallow Alarm depth setting.
3. Use
and to change the value. If either
key is held depressed for more than one
second the reading will increase or decrease
rapidly.
4. When the alarm is set, exit by pressing both
and simultaneously. Alternatively, if no
keys are pressed for a period of 5 seconds the
normal depth display will resume.
Press simultaneously to exit
Note: If the reading is decreased to below
1.5 feet (or equivalent) the display will
show OFF and the alarm will be disabled. The alarm
can also be disabled by pressing both
and for
5 seconds. The word OFF will be displayed but the
alarm depth will be retained for future use.
Deep Alarm
To set the deep alarm:
1. Press
for three seconds. The display will
show:
2. After two seconds the display will indicate
the current Deep Alarm depth setting.
1 Operation
OFFON
OFFON
OFF
ON
ON
OFFON
OFFON
OFFON
OFFON
OFF
OFFON
Press for 3
Seconds
OFFON
OFFON
OFF
ON
ON
OFFON
OFFON
OFFON
OFF
OFFON
OFFON
OFFON
OFFON
OFF
Press for 3
Seconds
OFFON
OFFON
OFF
ON
ON
OFFON