Digital Video Recorder User Manual
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• USB: Acronym for Universal Serial Bus. USB is a plug-and-play serial bus standard to interface
devices to a host computer.
17.3 Troubleshooting
No image displayed on the monitor after the device is starting up normally.
Possible Reasons:
— No VGA or HDMI connections.
— Connection cable is damaged.
— Input mode of the monitor is incorrect.
Step 1 Verify the device is connected with the monitor via HDMI or VGA cable.
If not, please connect the device with the monitor and reboot.
Step 2 Verify the connection cable is good.
If there is still no image display on the monitor after rebooting, please check if the
connection cable is good, and change a cable to connect again.
Step 3 Verify Input mode of the monitor is correct.
Please check the input mode of the monitor matches with the output mode of the device
(e.g. if the output mode of DVR is HDMI output, then the input mode of monitor must be
the HDMI input). And if not, please modify the input mode of monitor.
Step 4 Check if the fault is solved by the step 1 to step 3.
If it is solved, finish the process.
If not, please contact the engineer from our company to do the further process.
There is a beep sound after a new bought device starts up.
Possible Reasons:
— No HDD is installed in the device.
— The installed HDD has not been initialized.
— The installed HDD is not compatible with the device or is broken-down.
Step 1 Verify at least one HDD is installed in the device.
1) If not, please install the compatible HDD.
Please refer to the “Quick Operation Guide” for the HDD installation steps.
2) If you do not want to install a HDD, select “Menu>Configuration > Exceptions”, and
uncheck the Audible Warning checkbox of “HDD Error”.
Step 2 Verify the HDD is initialized.
1) Select “Menu>HDD>General”.
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