Instruction Manual
2
Product diagram
Transmitter unit
1. Function 1 button
2. Function 2 button
3. Dip rotary switch
4. Serial control port (not active)*
5. Serial extension (RS-232 signal)
6. Infrared (in) and (out) ports
7. Audio out port **
8. DC 9-12V power jack
Front view
Back view
1
2
3
4
5
6
8 9
10
11
12
13
14
7
14
9. Reset LED
10. Reset button
11. LAN port (RJ-45)
12. HDMI input port (audio/video)
13. Analog audio source port (3.5 mm stereo)
14. Audio source selection switch
15. Link and power LED
* Serial control port is not active. To control the ST12MHDLAN4K download
our free mobile application. (see Page 6).
**Audio out port is not functional in video wall or point to multi-point
configurations.
