Groeneveld 4CH HD DVR, Руководство по эксплуатации

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1) There are 8 alarm inputs including alarm inputs 1 ~ 4, reversal input, brake input, turn left input, turn
right input, which can trigger the alarm recording. The first 4 alarm inputs are normal alarm input
defined by user. The last 4 are specific alarm input and display cursor for each channel.
2) Alarm output 1 and alarm output 2 are 12V by default, which can be used as a trigger and working
together with alarm inputs. You can also set up the BUZZER as one output.
3) If Alarm input 1 is active and combined with Alarm output 1, the Alarm output 1 will output a high-level
voltage to trigger other device.
4) SPEED
The speed sensor is connected to the vehicle for detecting the speed and sending data to the DVR.