NorthStar 6000i Quickstart Manual And Reference Manual page 134

To set the markers to inside or outside, at
the
Inside/outside mkrs to switch between
the inside and outside settings. The setting
is displayed in the tab below the key.
Turning the fish alarm on and off
To turn the alarm on, at the
window, press
you'll want to turn the alarm on after
making all the other settings.
The setting that is in effect is displayed in
the tab below the key.
To turn the alarm off, press
Setting the bottom alarm
When the bottom alarm is set, an alarm
sounds if the echo sounder detects that the
bottom is shallower than the limit you've
set.
When a shallow bottom is detected, the
alert tone sounds and the flashing alarm
icon BOTTOM is displayed. This message
clears automatically after 20 seconds, and
the alarm is reset.
To access the bottom alarm:
Reference section 6 — Echo sounding
130
Echo sounding alarms
FISH ALARM
window, press
Turn alarm on . Generally,
Turn alarm off .
1. At the screen, press
SOUNDER
Alarm .
2. Press
Bottom alarm.
3. Press
FISH ALARM
Now you may set the depth at which you
want to be notified about a shallow
bottom.
Setting the bottom level
When the bottom is shallower than the
depth you have set, the bottom alarm will
sound.
To set the bottom level, at the
ALARM
window, press the cursor pad up or
down to set the depth, or use the keypad
to manually enter the desired depth.
More .
The 490's depth indicator reflects the
depth below your vessel's transducer, not
below the keel. Ask your installer for the
exact distance between your transducer
Bottom alarm window
BOTTOM
NOTE:
Northstar 6000i