2. RADAR, CHART RADAR OPERATION
2-45
2.29.1 How to enable or disable the dual radar display
Turn on the power of main radar and external radar to set them in standby. The dual
radar function is not available when one of two radars is in TX (transmit) state or turned
off.
From the menu
1. Open the menu then select [1 ECHO] and [9 DUAL RADAR].
2. Select [COMBINE] to enable the dual radar display. To disable the dual radar dis-
play, select [OFF].
3. Close the menu.
From the antenna button
1. Right-click the [Antenna] button on the Status bar to show the context-sensitive
menu.
2. Select [Dual Radar].
3. Select [Combine]. To disable the dual radar display, select [Off].
"(D)" is displayed in the [Antenna] button on the Status bar when the dual radar display
is enabled.
2.29.2 Operating considerations for the dual radar display
In the dual radar mode, you can operate the antenna displayed in the [Antenna] button
on the Status bar. To operate a different antenna, select it with the [Antenna] button.
You can toggle each radar between standby and TX in the dual radar display. When
switching to the standby mode, he Alert 730 (ALF format: 10740,1) "EXT Radar STBY"
appears and the radar echoes are not displayed.
The following functions are based on the settings in the radar which enables the dual
radar display. These settings are shared between the two radars.
Notes
• Off-center display • Trail settings
• Range scale • Electronic chart on/off
• Presentation mode • TT lost target filter
• CU/TM reset
• The dual radar function is available with two FCR-2xx9 series radars using the LAN.
FAR-2xx7 or FAR-3xx0 is not available.
• When a transmission error occurs between two radars in the dual radar mode, the
Alert 750 (ALF format: 10740,3) "EXT Radar COM Error" appears and the dual radar
function is turned off.
• The dual radar display is not available on the external radar which overlays the main
radar image even though the dual radar is turned on.
• If the external radar is using TT data from the own radar, the tracked targets will be-
come lost targets on the external radar.
ANT-1(D)
X-BAND
"(D)" appears on the [Antenna] button
when the dual radar display is enabled.
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