Furuno 1943C-BB, FURUNO MARINE RADAR, 1953C-BB Range Scale, Range scales nm, sm, Range scales km

2. RADAR OPERATION

2.7Range Scale

The range setting determines the size of the area (in nautical miles) that will appear on your display. In addition, the range setting will also automatically adjust the range ring interval so that accurate range measurements may be made while operating on any range setting.

The range, range ring interval and pulselength appear at the top left-hand corner of the display.

Press the [RANGE (+ or -)] key to change the range scale.

Range scales (nm, sm)

Range	0.125	0.25				0.5		0.75		1			1.5		2		3	4		6	8	12	16		24		36	48		64		72
Ring	0.0625	0.125			0.125			0.25		0.25			0.5		0.5		1	1		2	2	3	4		6		12	12		16		18
Interval
No. of	2	2				4		3		4			3		4		3	4		3	4	4	4		4		3	4		4		4
Rings
															Range scales (km)
Range				0.25			0.5		0.75			1		1.5		2		3	4	6	8	12		16		24	36	48	64		72
Ring Interval			0.125				0.25		0.25		0.25			0.5		0.5		1	1	2	2	3		4		6	12	12	16		18
No. of Rings				2			2		3			4		3		4		3	4	3	4	4		4		4	3	4	4		4

Note 1: Maximum range depends on the network radar as shown below.

Range scale can be selected from the menu.

Model 1722/1722C/1823C/1823C-BB: 24 nm

Model 1732/1732C/1742/1742C/1833/1833C/1833C-BB: 36 nm

Model 1762/1762C/1933/1933C/1933C-BB: 48 nm

Model 1943/1943C/1943C-BB: 64 nm

Model 1953C/1953C-BB: 72 nm

Note 2: You may choose which ranges to use from the RADAR RANGE SETUP menu. For details see paragraph 5.2.2. This function is not available with the GD-1900C-BB.

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