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Chapter 8: Using sonar
8.8 What kind of sonar alarms can I use?
You can set up alarms to warn you of:
• Shallow water.
• Deep water.
• Fish.
Each alarm can be turned on and off as required.
Shallow water alarm
The shallow water alarm can be set at any depth between 2ft (0.5 fathoms/1 meter)
and 3000ft (500 fathoms/1000 meters). You set the depth at which the alarm triggers.
When the depth is less than that set, an audible alarm sounds and a pop-up message
describing the alarm is displayed. You cannot set the shallow alarm to a depth greater
than the deep alarm. To cancel the alarm, click any button.
Deep water alarm
The deep water alarm can be set at any depth between 2ft (0.5 fathoms/1 meter) and
3000ft (500 fathoms/1000 meters). You set the depth at which the alarm triggers.
When the depth is less than that set, an audible alarm sounds and a pop-up message
describing the alarm is displayed. You cannot set the deep alarm to a depth shallower
than the shallow alarm. To cancel the alarm, click any button.
Fish alarm
If this alarm is on, an audible warning is sounded whenever the sonar detects a fish. To
cancel the alarm, click any button.
To set an alarm:
1. Click
2. Click
3. Click
4. Click the softkey for the alarm you want to set to ON.
5. Click the corresponding
displayed.
6. Use the cursor to enter the required depth and click
7. Use the BACK button to return to the top level softkeys.
Presentation
.
Advanced
.
Alarm
. The alarm softkeys are displayed.
Alarm Depth
softkey. The on-screen numeric keypad is
OK
. The alarm is now set.
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