User manual

PS121 Presentation Switcher
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PTN Electronics Limited www.PTN-electronics.com
Part c: WP18R control
PS121 working with WP18R
1) Source Selection:
VGA signal channel selection: 4 channels corresponding to 4 VGA inputs source.
Composite video signal channel selection: 4 channels corresponding to 4 composite
video inputs source.
DVI signal channel selection: 4 channels corresponding to 4 DVI signal inputs source.
2) Volume selection and adjust zone: Including three volume function buttosn and one
knob.
“MIC button”: alternatively choose the MIC video between Line Audio and MIC Audio.
“Line button”: alternatively choose the LINE video between Line Audio and MIC
Audio.
“Audio lock button”: keep the last-selected audio display; it will not change with the
new switch operation.
“Volume knob”:
a) Adjust the volume, with bar indicator on the screen.
b) Press the surface of knob to mute the audio.
3) Display control: (three extension buttons): programmable button controlled by RS232,
can be customized for any other function of the controlled deviece by RS232
pre-setting.
4) Config input: for 3.5mm mini jack connector.
Connected by one cable (one end is RS232 connector male, the other end is 3.5mm
mini jack male) to PC for customizing the programmable WP18R buttons and knob.
(For the detail, please check the WP18R user manual)
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