Sounding Range, Zoom Range, Bottom Lock Range - Furuno 1722C Operator's Manual

5. CUSTOMIZING YOUR UNIT
5.9.3

Sounding range, zoom range, bottom lock range

This paragraph shows you how to set custom ranges for basic range, zoom
range (marker and bottom zoom) and bottom lock range. All default basic ranges
are restored whenever the unit of depth measurement is changed. Therefore,
change the depth unit before changing the basic ranges.
1. Show the sounder display and press the [MENU] key to open the main menu.
2. Press the SOUNDER RANGE SETUP soft key to show the SOUNDER
RANGE SETUP menu.
3. Select the range to change and press the EDIT soft key. Available settings
are as below. For sounding range, set depth from lowest to highest; a range
cannot be higher than its succeeding neighbor.
4. Use the cursor pad to set range desired, then press the RETURN soft key.
5. Press the [MENU] key to finish.
Range 1 Range 2
5 m 10 m
15 ft 30 ft
3 fa 5 fa
3 PB 5 PB
Setting range: 2 m –1200m, 7 ft – 4000 ft, 1 fa – 650 fa, 1 PB – 700 PB
Item
Zoom Range
Bottom-lock Range 3 or 6 m, 10 or 20 ft
5-32
RANGE 1
RANGE 2
RANGE 3
RANGE 4
RANGE 5
RANGE 6
RANGE 7
RANGE 8
ZOOM RANGE
BOTTOM LOCK RANGE
Sounder range setup menu
Range 3 Range 4
20 m 40 m
60 ft 120 ft
10 fa 20 fa
10 PB 30 PB
Zoom range and bottom lock ranges
Settings
2 m – 120 m, 7 ft – 400 ft,
1 fa – 60 fa, 1 PB – 70 PB
2 or 3 fa, 2 or 3 PB
RANGE
SETUP
15 ft
EDIT
30 ft
60 ft
120 ft
200 ft
400 ft
1000 ft
4000 ft
RETURN
10 ft
10 ft
Default ranges
Range 5 Range 6
80 m 150 m
200 ft 400 ft
40 fa 80 fa
50 PB 100 PB
Default Setting
10 m, 30 ft, 10 fa, 10 PB
6 m, 20 ft, 3 fa, 3 PB
Range 7 Range 8
300 m 1200 m
1000 ft 4000 ft
150 fa 650 fa
200 PB 700 PB