Furuno 2127 - Manual (Page 56)

3. SETTING AND ADJUSTMENT
3-18
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