Q-See MODEL QC40196 - Manual (Page 34)

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APPENDIX
15. There is only mosaic no video when previewing or playing back video file remotely.
Possible Causes:
a. Network bandwidth is not sufficient.
b. Computer does not have enough resources to handle video flow.
c. There is multiple-cast group setup in combo DVR. This mode can result in mosaic.
Usually we do not recommend this mode.
d. There is privacy mask or channel protection setup.
e. Current user does not have monitoring rights.
f. Combo DVR local video output quality is not good.
16. Network connection is not stable. Possible Causes:
a. Network is not stable.
b. IP address conflict.
c. MAC address conflict.
d. PC or combo DVR network card is not good.
17. Burn error /USB backup error. Possible Causes:
a. Burner and combo DVR are in the same data cable.
b. System uses too much CPU resources. Try stopping recording first and then begin
backup.
c. Data amount exceeds backup device capacity. It may result in burner error.
d. Backup device is not compatible.
e. Backup device is damaged.
18. Keyboard cannot control combo DVR. Possible Causes:
a. Combo DVR serial port setup is not correct
b. Address is not correct
c. When there are several switchers, power supply is not enough.
d. Transmission distance is too long.
19. Alarm signal cannot be disarmed. Possible Causes:
a. Alarm setup is not correct.
b. Alarm output has been opened manually.
c. Input device error or connection is not correct.
20. Alarm function is not working. Possible Causes:
a. Alarm setup is not correct.
b. Alarm cable connection is not correct.
c. Alarm input signal is not correct.
d. There are two loops connected to one alarm device.
21. Remote control does not work. Possible Causes:
a. Need to enter the correct Device ID on the remote control.
b. Distance is too far or control angle is too small.
c. Remote control battery power is low.
d. Remote control is damaged or combo DVR front panel is damaged.
22. Can not playback the downloaded file. Possible Causes:
a. There is no media player.
b. Need Divx Codec in file player
23. Forgot local menu operation password or network password
a. Contact Q-See tech support and we can generate a new password for the unit.
PC MODULE PARAMETERS
CPU Intel Core(TM)2 Duo CPU E4600
MOTHERBOARD G41/P41 chip
HDD 80G
RAM 1GB
VGA GMA3100/NVIDIA GeForce 8400/
ATI RADEON HD3450
OS Windows 2000(SP4 above) /Windows
XP(SP2 above)/ VISTA/Win7
DIRECTX 9.0
COMPONENT MINIMUM REQUIRED
CPU Intel Celeron 2.4G
MOTHERBOARD Intel 845
HDD 80G
RAM 512M
VGA NVIDIA GeForce MX440/FX5200
ATIRADEON 7500/X300
OS Windows 2000(SP4 above) /
Windows XP(SP2 above) /VISTA/Win7
DIRECTX 9.0
WARNING! Do not turn the system power off during the upgrade process!
Doing so may damage the chipset and prevent the DVR from starting.
A.2 MINIMUM COMPUTER CONFIGURATION
Minimum required configuration of a PC for remote connection:
Minimum PC configuration for 16-channel real time access with fully open
mainstream channel