Sounding Range, Zoom Range, Bottom Lock Range - Furuno 1823C 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, then 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, then press the EDIT soft key.
4. Rotate the trackball or [ENTER] knob to set range desired, then press the
RETURN soft key. For basic range, set depth from lowest to highest; a range
cannot be higher than its succeeding neighbor.
5. Press the [MENU] key to finish.
Range 1 Range 2 Range 3
5 m 10 m 20 m
15 ft 30 ft 60 ft
3 fa 5 fa 10 fa
3 P/B 5 P/B 10 P/B
Setting range: 2 m –1200 m, 7 ft – 4000 ft, 2 fa – 650 fa, 1 P/B – 1000 P/B
Item
Zoom Range
Bottom-lock
Range
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
Default basic ranges
Range 4 Range 5
40 m 80 m
120 ft 200 ft
20 fa 40 fa
30 P/B 50 P/B
Zoom range and bottom-lock ranges
Settings
2 m – 120 m, 7 ft – 400 ft,
1 fa – 60 fa, 1 P/B – 70 P/B
3 or 6 m, 10 or 20 ft, 2 or 3
fa, 2 or 3 P/B
RANGE
15 ft
SETUP
30 ft
60 ft
EDIT
120 ft
200 ft
400 ft
1000 ft
4000 ft
RETURN
30 ft
20 ft
*2000 ft on using ETR-6/10N
Range 6 Range 7
150 m 300 m
400 ft 1000 ft
80 fa 150 fa
100 P/B 200 P/B
Default Setting
10 m, 30 ft, 10 fa, 10 P/B
6 m, 20 ft, 3 fa, 3 P/B
Range 8
ETR-6/10N ETR-30N
1200 m 1500 m
4000 ft 4500 m
650 fa 900 fa
700 P/B 900 P/B