Specifications
Configuration - Protocols Page
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UDM-1604C 4x16 Multi-Format Distribution Hub
Examples of Serial Controls
The video mode select commands (VGA select etc.) are extremely useful commands and enable a serial 
string to be associated with a change of input type, allowing a display automatically switched to the 
appropriate input port on a change of the video type from the UDM-1604C. 
See the Ascii / Hex Conversion section on page 117 for details.
Deleting Protocols
Protocols can be deleted individually by type (Delete) or all protocols can be removed from the UDM-
1604C (Delete all) i.e. all serial and all Infrared protocols can be deleted using Delete All.
1. Click on the Protocols option.
2. To delete a protocol click the Delete hyperlink in the serial section to delete a serial protocol or click 
the Delete hyperlink in the Infrared section to delete an infrared protocol. 
Deleting All Protocols (Serial and IR)
All protocols can be deleted from the UDM-1604C.
1. Click on the Protocols option.
2. To delete all protocols click the Delete all hyperlink in the Serial section i.e. the top half of the 
screen. This deletes all Serial and all Infrared protocols.
Screen Type Command Ascii code Hex code
NEC 30/40” LCD Power Off 00!%0D %00%00%21%0D
Power On 00”%0D %00%00%22%0D
CVBS Input Select 00_v1%0D %00%00%5f%76%31%0D
DSR Data Set Ready
Panasonic Power Off %02POF%03 %02%50%4F%46%03
The last created or currently highlighted serial or infrared protocol will be deleted 
when using the Delete hyperlink.










