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8.
Can't hear audio when viewing on main monitor
a. Camera must be full screen to hear audio
b. Audio cable is damaged
c. Camera is not compatible
9.
I can hear audio when in live view mode but I can't hear anything in playback
a. Incorrect menu setting, please check audio settings in Encode
b. Volume is set too low in playback
c. Firmware corruption
10. Time keeps re-setting itself
a. Recorder is syncing to the incorrect time server
b. System battery is malfunctioning
11. DVR cannot control PTZ.
a. Cable connection is not correct
b. PTZ setup is not correct
c. PTZ and recorder protocol is not compatible
d. PTZ and recorder address is not correct
e. When there are several decoders, please add 120 Ohm between the PTZ
decoder A/B cables furthest end to delete the reverberation or impedance
matching. Otherwise the PTZ control won't be stable.
f.
Distance is too far
12. Motion detection function is not working
a. Motion detection region is not setup correctly
b. Period is not set correctly
c. Sensitivity is too low
13. When in network viewing mode the image is distorted or there is no video
a. Network resources are not good enough
b. Client end hardware issues
c. There is privacy mask or channel protection setup
d. Logged in user has no right to view selected image
14. When viewing the device remotely the images is not stable
a. Network is not stable
b. IP address conflict
c. MAC address conflict
d. PC or DVR network card is not good
15. Burn error /USB back error
a. System capability is not enough, please stop some processes
b. Data amount exceeds backup device capacity
c. Backup device is not compatible
d. Backup device is damaged
16. I have forgot the local or network password to access my system
a. Please contact our support team for assistance
www.c2max.com
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