Furuno FAR-2827 - Manual (Page 56)

3. SETTING AND ADJUSTMENT
3-18
1. Push the right button four times to close the menu.
Note 1: The dual radar function becomes inoperative when the external radar
is turned off, set to stand-by, or set as sub display. When this
happens, the buzzer sounds and the message "EXT RADAR STBY"
(power off, stand-by only) appears.
Note 2: The dual radar display is inoperative on the stern-up and shuttle ferry
modes.
Note 3: Some functions of the external radar image, listed below, may be
adjusted from the main radar.
1) Left-click the radar selection indication "CTRL OWN" at the top-left side
of the screen to switch control to the external radar. The indication then
shows "CTRL EXT". Each click of the indication switches control
between the main and external radar alternately.
2) The external image may be adjusted from the main radar. The following
functions may be adjusted:
• Transmit/stand-by switching
• PICTURE box setting
• GAIN
• A/C SEA
• A/C RAIN
• Tuning
• ECHO menu setting (2nd trace echo rejector, performance monitor)
• Range scale
• TT functions.
• CPA/TCPA box settings
Note 4: In the MIX mode, only the tracks of targets acquired from an external
radar are tracked and displayed with CTRL EXT operation mentioned
above. To show the target tracks, turn on the track target at the
radar+plotter display. For COMBINE mode, only the tracks of targets
acquired from an external radar are displayed.
Note 5: The mark shapes for the acquisition are defer for MIX and COMBINE.
MIX: Change the control mode CTRL OWN or CTRL EXT, depending
on the mode when acquiring, then place the cursor on the mark and
press the [TARGET CANCEL] key.