4. Installation, Setup and Check
JCY-1800/1850 VDR/S-VDR Maintenance Software Instruction Manual
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DOC No. 7ZPNA4014
4.6.3.2. Radar Selection TAB screen
4.6.3.2.1. Select signal
When two radars are connected and VDR/S-VDR record one of two radar images by switching, set the
switching signal.
1) Dry contact
Select the “Dry contact”, when recording channel is switched by dry contact signals outputted from a switcher.
2) NMEA
Select the “NMEA”, when recording channel is switched by the PJRC sentence outputted from the JRC radar.
3) None (Auto)
Select the “None”, when the switching signal is not connected.
Recording channel is switched by detecting a RGB signal.
When radar images are received from both channels, the CH1 image is recorded.
4.6.3.2.2. NMEA
Sensor channel which receives a PJRC sentence for switching is set up automatically.
Confirm that a Radar connection channel is displayed.
4.6.3.2.3. Dry Contact
Select the logic of the dry contact which is outputted by a switcher.
AUTO mode is selected when both of dry contact signals are the same logic.
Logic table of dry contact
PI_1 PI_2 MODE
OPEN OPEN AUTO
OPEN CLOSE CH1 record
CLOSE OPEN CH2 record
CLOSE CLOSE -
* The switcher is not an optional unit of VDR/S-VDR.
PI_1
PI_2
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