77
What should I do if I hear the buzzer when starting up the DVR?
This product is set to trigger the alarm when there is a wrong operation or parameter
setting, so this buzzer is mainly because of no video input. Login as the Manager and
cancel the buzzer. Check if there is a read/write mistake on the HDD and if so, stop
recording and format the HDD.
Why PTZ movements can not be controlled?
Check if the PTZ control parameters in DVR system menu such as protocol, baud rate
and the address have been set the same as the PTZ.
Check whether the RS485 connecting cable (Tx
Tx
) of the decoder are correct, and
measure if there is a voltage change between the Tx
Tx
cables (if the connection is
correct and no voltage change between the cables, it might be a problem with the 485
control chip).
How to use USB to backup the data?
Make sure the backup device has been formatted to FAT32.
Note
1.The password consists of Max. 6 numbers, factory default
configuration is set as:
Administrator ——333333
Operator —— 222222
Browser ——111111
2. If wrong password is inputted 3 times, DVR will turn on Alarm
3. To ensure the system security, modify system default password in
time
