Furuno 1724C, 1734C manual Zooming radar targets, Zooming ARP, TTM targets

2. RADAR OPERATION

2.15 Zoom

The zoom feature allows you to double the size of the area selected with the “zoom square.” It is available on any range but is inoperative in true motion and when the display is shifted.

2.15.1 Zooming radar targets

This function is available when TARGET ID NUMBER is ON.

1.If not displayed, press the HIDE/SHOW key to show the radar soft keys.

2.Use the Cursor pad to set the cursor where you want to zoom.

3.Press the ZOOM & D. BOX soft key to show ZOOM & D. BOX soft keys.

4.Press the ZOOM ON/OFF soft key to select ON. A hollow square, called the “zoom area,” appears on the display.

5.To release the cursor, press the CURSOR FLOAT soft key. (The hollow square changes to a dashed one.) To relocate the zoom circle, select location with the Cursor pad, then press the CURSOR LOCK key.

6.To quit the zoom function, press the ZOOM ON/OFF soft key to select OFF.

Zoom circle

Zoom window

.250/.125nm

SP

H-UP

319.9°M
	ZOOM
	D. BOX

ZOOM

ON /OFF

CURSOR

FLOAT

ARPA

TGT ZM

D. BOX

ON/OFF

RETURN

+001.0°R 0.160nm

Requires optional ARP Board in 18x4C/19x4C series network radar.

Not shown when radar source is otherwise.

Zoom

2.15.2 Zooming ARP, TTM targets

You may zoom in on TTM (Tracked Target Message) and ARP targets. TTM targets can come from a NavNet connected radar, or from other ARP radar that is outputting the TTM message. (TTM is a NMEA 0183 data sentence that is an available output from some ARP capable radar.) Target numbers must be turned on to use this function. This can be done by enabling the target ID number option in the ARP SETUP menu.

1.If not displayed, press the HIDE/SHOW key to show the radar soft keys.

2.Press the ZOOM/D. BOX soft key to show ZOOM & D. BOX soft keys.

3.Press the ZOOM ON/OFF soft key to select ZOOM ON.

4.Press the ARP TGT ZM soft key.

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