GPSMAP 700 Series Owner’s Manual
77
Sonar
Adjusting the Range of the Depth Scale
You can adjust the range of the depth scale that appears on the right side of the screen.
1. From the Home screen, select
Sonar
.
2. Select a sonar view.
3. Select
Menu
>
Range
.
4. Complete an action:
• Select
Auto
to allow the chartplotter to adjust the depth scale automatically.
• Select
Up
or
Down
to increase or decrease the range of the depth scale manually.
5. Select
Done
.
NoTe:
From the sonar screen, you can press
or
to manually adjust the range of the depth
scale.
Sonar Alarms
Setting the Shallow Water and Deep Water Alarms
1. From the Home screen, select
Configure
>
Alarms
>
Sonar
.
2. Select
Shallow Water
>
on
to set an alarm to sound when the depth is less than the specified value.
3. Enter the depth that triggers the shallow water alarm.
4. Select
Done
.
5. Select
Deep Water
>
on
to set an alarm to sound when the depth is greater than the specified value.
6. Enter the depth that triggers the deep water alarm.
7. Select
Done
.
Setting the Water Temperature Alarm
You can set an alarm to sound when the transducer reports a temperature that is 2°F (1.1°C) above or below
the specified temperature.
1. From the Home screen, select
Configure
>
Alarms
>
Sonar
>
Water Temp
>
on
.
2. Enter a water temperature.
3. Select
Done
.
Setting the Fish Alarm
You can set an alarm to sound when the chartplotter detects a suspended target of the specified symbols.
1. From the Home screen, select
Configure
>
Alarms
>
Sonar
>
Fish
.
2. Complete an action:
• Select
to sound an alarm for all fish sizes.
• Select
to sound an alarm for medium and large fish only.
• Select
to sound an alarm for large fish only.
