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1. RADAR OPERATION
1-95
7. 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-STBY" (power
off, stand-by only) appears.
Note 2: The dual radar display is inoperative on the stern-up and shuttle ferry
modes. For more information about these modes see the FAR-2xx7
Operator’s Manual.
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
• ARPA functions. A target acquired from an external radar has an "E"
before its target number. See the figure below.
ARP TARGET
No. E 01
BRG 101.2°R
RNG 2.807NM
T CSE 090.5°T
T STW 9.9kt
Indicates target acquired from external radar
• CPA/TCPA box settings
Note 4: In the MIX mode, only the targets acquired from an external radar are
tracked and displayed.