Furuno 1724C Measuring range by VRM, Various VRM operations, How to measure range with the VRM

2. RADAR OPERATION

2.10.3 Measuring range by VRM

1.Press the EBL/VRM key to display the EBL/VRM soft keys.

2.Press the VRM1 ON (dotted ring VRM) or VRM2 ON (dashed ring VRM) soft key to select the desired VRM. The selected VRM’s indication, at the bottom of the screen, is highlighted.

3.Rotate the ENTER knob then place the VRM on the inside edge of a radar target. Read the VRM indication to find range to the target.

	.125nm	319.9	° M	EBL
SP
.250/				VRM
H-UP

EBL1

ON

	VRM1
	ON
VRM1
(Dotted line)	OFFSET
	EBL2
VRM2	ON
(Dashed line)	VRM2
	ON

VRM1 range	EBL1	---.-°R	EBL2	---.-°R		+359.9° R
	VRM1		VRM2			0.240nm
		0.119nm		0.242nm
VRM2 range					Active marker is highlighted.

How to measure range with the VRM

4. You may hide the EBL/VRM soft keys by pressing the EBL/VRM key.

2.10.4 Various VRM operations

Erasing a VRM, VRM indication: Press appropriate VRM soft key, then press the CLEAR key. The VRM is erased and its indication becomes blank.

Erasing EBL/VRM data boxes: Press the EBL or VRM soft key associated with the EBL/VRM data box you wish to erase. Press the CLEAR key once or twice to erase the data box.

Hiding EBL/VRM data boxes: Press the ZOOM & D. BOX and D. BOX ON/OFF soft keys to show or hide the EBL/VRM data boxes.

Moving EBL/VRM data boxes: When an EBL/VRM data box is obscuring a target you want to see, you can move it to another location as shown below. This cannot be done when the EBL/VRM soft keys are shown.

1.Press the EBL/VRM key to turn off the EBL/VRM soft keys.

2.Using the Cursor pad, place the cursor inside the data box you wish to move. As the cursor enters the box it changes to a “hand.” Push the ENTER knob, and the hand changes to a fist, meaning the box is correctly selected.

3.Use the Cursor pad to move the data box to the location desired, then push the ENTER knob.

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