New Transducers 250C - Manual (Page 30)

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26 Fishfinder 250/250C Owner’s Manual
Sonar alarms:
•
Fish—sets an alarm/icon to sound/display when the unit
detects a fish of the specified symbol size.
•
Shallow Water/Deep Water—sets alarms to sound for when
you enter areas of specified depth that are too shallow or too
deep.
•
Drift—sets an alarm to sound when you’ve exceeded a
specified drift depth range. For example, if the value is set to
5 ft. and the current depth is 20 ft., the alarm will sound if the
unit detects a depth greater than 25 ft. or shallower than 15 ft.
•
Water Temperature—sets an alarm to sound when the
transducer reports a temperature above, below, inside, or
outside the specified values.
System alarms:
•
Battery—sets an alarm to sound when the battery nears a
critical state of discharge.
•
Timer—allows you to set, stop, or reset a timer. With the
Count Dn (Down) and Count Up settings you may specify
the duration of the timer count.
To set an alarm:
1. Use the ARROW keys to highlight the desired subtab of the
Alarms tab.
2. Highlight the field below the alarm name you wish to activate
and press ENTER.
3. Change the mode to the desired setting and press ENTER.
4. Highlight the next field to the right and press ENTER, then
enter the desired settings and press ENTER to finish.
5. If you want the alarm to display and beep until
acknowledged, highlight the Persist box and press ENTER
to place a check mark in the box.