russw2010, 
  
You need to have a firmware upgrade on the unit. 
ftp://211.75.84.102/Firmware/KPD674_1032.rar  
  
Unrar and it will give you 4 .bin files. 
Place these bin files onto the root directory of a USB stick. 
Plug into DVR and select upgrade from DVR menu. 
  
NOTE: 
Do not unplug/turn off power or connect/disconnect cameras during upgrade. 
  
Also, be sure to have the latest version of EagleEyes Plus (1.0.0.. 
  
David Tang, 
System Product Manager 
AV TECH Corporation 
http://www.avtech.com.tw 
O: +886-2-2655-3866 #318 
Skype: avtechsdavidtang