User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  122 
3)  Click OK to save the settings. 
5.  Set the POS protocol to Universal Protocol, EPSON, AVE, or NUCLEUS.   
•  Universal Protocol 
Click Advanced to expand more settings when selecting the universal protocol. 
You can set the start line tag, line break tag, and end line tag for the POS overlay 
characters, and the case-sensitive property of the characters. 
Figure 163, Universal Protocol Settings 
•  NUCLEUS 
I
f you select NUCLEUS protocol, reboot the device to have the new settings take 
effect.   
1)  Click Set to enter the NUCLEUS Settings interface. 
2)  Edit the Employee, Shift, and Terminal information. No more than 32 
characters can be input. 
3)  Click OK to save the settings. 
If you select NUCLEUS protocol, the connection type defaults to be RS-232, and all the 
other POS protocol will change to be NUCLEUS. 
Set Usage to be Transparent Channel for RS-232 settings in Menu > Configuration > 
RS-232 first. 
1.  Set the Connection Type to TCP, UDP, Multicast, RS-232, USB->RS-232, or Sniff, and 
click Set to configure the parameters for each connection type.   
•  TCP Connection 










