Furuno GP-7000F - Manual (Page 68)

7. ALARM
7-6
7.7 Depth Alarm
The depth alarm sounds when the depth is within the alarm range set.
1. Open the ALARMS menu.
2. Rotate the [ENTER] knob to choose DEPTH ALARM and then push the
[ENTER] knob.
Off
Depth 0000.0 Ft
Range 0010.0 Ft
3. Confirm that the cursor is located at the top line, and then push the [ENTER]
knob.
Off
On
4. Rotate the [ENTER] knob to choose On and then push the [ENTER] knob.
5. Rotate the [ENTER] knob to choose Depth and then push the [ENTER] knob.
6. Enter the starting point of range and then press the SAVE soft key.
7. Rotate the [ENTER] knob to choose Range and then push the [ENTER]
knob.
8. Enter the alarm range, and then press the SAVE soft key.
9. Press the [MENU] key to close the menu.