User manual

PS121 Presentation Switcher
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PTN Electronics Limited www.PTN-electronics.com
l Control :
a) RS-232 serial control port. Public command, working with the third-party device.
b) RS-232/RS-485 output, programable output. The user can customize the
RS-232/RS-485 commands, controlling the displaying equipments.
c) IR remote control .Default IR remote to control the full function of selection
switcher
l Rack-mountable aluminum enclosure, 1 U height.
l Internal international power supplies (100Volt~240Volt AC, 50/60Hz) for worldwide
compatibility, all models are equipped with an internal, auto-switching power supply
that meets or exceeds all appropriate safety certifications.
2. Front Panel
1) DVI signal selection zone:
You can select any one channel of the 4 DVI signal channels by pressing the button
marked by the corresponding NO 1.2.3.4. Status showed by the LED indicating light.
2) Composite video selection zone:
You can select any one channel of the 4 Composite Video signal channels by
pressing the button marked by the corresponding NO 1.2.3.4. Status showed by the
LED indicating light.
3) VGA signal selection zone:
You can select any one channel of the 4 VGA signal channels by pressing the button
marked by the corresponding NO 1.2.3.4. Status showed by the LED indicating light.
4) Volume selection and adjust zone: Including one volume selection button and one
knob.
“Volume selection button”:
a) Alternatively switch between Line Audio and MIC Audio. Status showed by the
LED indicating light.
b) Press the “Volume Selection” button for 3 seconds. When the LED of line audio
flickers, it enters into the input audio volume adjustment status. At this time, input
volume can be adjusted by the knob. Single-Press the button again to return.
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