50
A: Please check if the data line connection for HDD is OK and system time is properly
adjusted. Try a few times and restart. If it still doesn’t work, check if the HDD is functioning
correctly.
11. Q: Why XHRDVR cannot control PTZ?
A: Please check if:
1. Check the PTZ connection and power supply.
2. Protocol of PTZ decoder does not match that of XHRDVR.
3. Address of PTZ decoder does not match that of XHRDVR.
4.
If many decoders are connected, the farthest side of AB line of PTZ decoder should
be added 120Ω resistance to realize reflection suppression and impedance matching.
Otherwise, PTZ control will be unstable.
12.
Q: Why doesn’t dynamic detection work?
A: Please check if the motion detection time and motion detection regional setting are correct
and if the sensitivity is set too low.
13.
Q: Why doesn’t alarm work?
A: Please check if the alarm setting, alarm connection and alarm input signals are correct.
14. Q: Why does buzzer keep alarming?
A: Please check the alarm setting, check if motion detection function is enabled and object
motion is detected all the time and if I/O alarm is set as Always Off. Besides, refer to
corresponding HDD alarm setting. If you have no HDD present the alarm will sound.
15.
Q: Why can’t I stop recording by pressing “STOP” button or click “Stop Recording” in context
menu?
A: Pressing Stop or Stop Recording can only stop manual record, if you want to stop
Scheduled recording in certain time quantum, please change the setting to No Record. To
stop Startup recording, please change record mode to scheduled recording or manual
recording. Then you may stop recording by the prescribed methods. Another way of stopping
recording is to set channel as off status in record setting.
7.2
Usage Maintenance
1. To shut down XHRDVR, please firstly shut down the system and then turn off the power. Do
not turn off the power directly or the HDD data will be lost or damaged.
2. Please keep XHRDVR away from heat sources.
3. Clean the internal dust regularly. Make sure the XHRDVR has good ventilation this will ensure
good heat dissipation.
4. Please check the HDD cable and data cable regularly to see if they are ageing.
