User manual

HDMI Selection Switcher 4x1
PTN Electronics Limited 6 www.PTN-electronics.com
will choose input 2 to output.
Auto-switching mode and manual-switching mode can be set by button or by RS232
command (auto switching mode is our factory default), operations are as below:
1) Button control:
a) By pressing key “INPUT 1” for 3 seconds, you can set WHD4 from auto switching
mode to manual-switching mode (“Auto-SW” LED will be off).
b) Same as above operation if you want to set it from manual-switching mode to
auto switching mode (“Auto-SW” LED will be on).
2) RS232 control:
a) By sending command 602%, you can set WHD4 from auto-switching mode to
manual-switching mode (“Auto-SW” LED will be off).
b) By sending command 601%, you can set WHD4 from manual-switching mode to
auto-switching mode (“Auto-SW” LED will be on).
8. Panel Drawing
Top View:
Front View: