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Chapter 3: Operating Instructions
Alarms
The Fishfinder has two kinds of depth alarms, and an alarm which is
triggered when fish are present. The Alarm button allows you to set
these alarms. When you press the Alarm button, the unit will present the
four Soft Keys shown in Fig. 3-19.
Fig. 3-19 Alarm Soft Keys
Shallow Alarm
The first Soft Key controls the set-up for the Shallow Alarm. You can set
an alarm to trigger whenever the boat moves into water which is
shallower than a limit you set. When you press the Soft Key, the current
limit will be highlighted. The limit depth will be shown in feet, fathoms or
meters - the same depth units used in the other displays. To change the
limit, use the up- and down-controls on the Trackpad. If the limit for
Shallow Alarm is set to "0" the feature will be turned off.
When the shallow alarm is set, the letter "S" will appear in the upper left-
hand corner of the normal displays. If you move into shallow water and
trigger the alarm, the letter "S" will begin to flash, and the buzzer will
sound. Press the Clear button to silence the buzzer. The letter "S" will
continue to flash until you move into deeper water.
Deep Alarm
Another Soft Key controls the set-up for the Deep Alarm. This allows you to
set an alarm to trigger whenever the boat moves into water which is deeper
than a limit you set. When you press the second Soft Key, the current limit
will be highlighted. The limit depth will be shown in feet, fathoms or meters -
the same depth units used in the other displays. To change the limit, use
the up- and down-controls on the Trackpad. If the limit for Deep Alarm is set
to the maximum limit, the feature will be turned off.
When the deep alarm is set, the letter "D" will appear in the upper left-
hand corner of the normal displays. If you move into deep water and
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