Furuno 1734C, 1724C manual Sounding range, zoom range, bottom lock range, Sounder range setup menu

7. CUSTOMIZING YOUR UNIT

7.9.3Sounding 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.

RANGE 1	RANGE
	SETUP
15 ft
RANGE 2	EDIT
30 ft
RANGE 3
60 ft
RANGE 4
120 ft
RANGE 5
200 ft
RANGE 6
400 ft
RANGE 7
1000 ft
RANGE 8
4000 ft	RETURN
ZOOM RANGE
10 ft
BOTTOM LOCK RANGE
10 ft

Sounder range setup menu

3.Select the range to change, then press the EDIT soft key.

4.Rotate the Cursor pad 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.

Default basic ranges

Range 1	Range2	Range 3	Range 4	Range 5	Range 6	Range 7		Range 8
							ETR-6/10N		ETR-30N
5 m	10 m	20 m	40 m	80 m	150 m	300 m	1200 m		1500 m
15 ft	30 ft	60 ft	120 ft	200 ft	400 ft	1000 ft	4000 ft		4500 ft
3 fa	5 fa	10 fa	20 fa	40 fa	80 fa	150 fa	650 fa		900 fa
3 P/B	5 P/B	10 P/B	30 P/B	50 P/B	100 P/B	200 P/B	700 P/B		900 P/B

Zoom range and bottom-lock ranges

Item	Settings	Default Setting
Zoom Range	2 m – 120 m, 7 ft – 400 ft,	10 m, 30 ft, 10 fa, 10 P/B
	1 fa – 60 fa, 1 P/B – 700 P/B
Bottom-lock	3 or 6 m, 10 or 20 ft, 2 or 3	6 m, 20 ft, 3 fa, 3 P/B
Range	fa, 2 or 3 P/B

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