Furuno 1933C Manual De Usuario

2. RADAR OPERATION 
 
 

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

1.  If not displayed, press the [HIDE/SHOW] key to show the radar soft keys. 
2.  Use the trackball 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 solid circle, called the 

“zoom circle,” appears on the display. 

5.  To release the cursor, press the CURSOR FLOAT soft key. (The solid circle 

changes to a dashed one.) To relocate the zoom circle, select location with 
the trackball, 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

Requires optional
ARP Board in
Model 1800/1900 series
network radar.
Not shown otherwise.

RETURN

ZOOM

ON 

/OFF

CURSOR

D. BOX
ON/ 

ARP
  TGT ZM

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.