User manual

HDMI Selection Switcher 4x1
PTN Electronics Limited 1 www.PTN-electronics.com
1. Introduction
1.1. Introduction to WHD4
WHD4 is a 4x1 selection switcher, which enables easy manual or RS232/infrared
remote switching within different HDMI sources.
It is a high performance HDMI device with resolution up to 1920*1200@60Hz, 1080p &
2K, supporting EDID and DDC, with HDCP & HDTV compliant.
It has a good application in various occasions, such as multi-media meeting room,
television education, room controlling, monitoring center, government agency, exhibition
hall and other fields.
1.2. Package Contents
 1 x WHD4
 2 x Mounting Ears (separated from WHD4)
 4 x Screws
 1 x Remote Controller (Cell battery not included)
 1 x Power Adapter (DC 5V)
 1 x RS232 cable
 1 x User Manual
Notes: Please confirm if the product and the accessories are all included, if not, please
contact with the dealers.
2. Features
 Supports Extended Display Identification Data (EDID) and Display Data Channel
(DDC).
 HDTV compatible with High Definition Transmission resolution up to
1920*1200@60Hz (max).
 HDCP Compliant, supporting DVI/HDMI1.4a.
 Built-in gain compensation and synchronous signal proofread technology.
 Ways for system controlling, including the front panel, RS232, and the IR remote.
3. Specification
Input
Output
Input
4 HDMI
Output
1 HDMI
Input Connector
HDMI 1.4a
Output Connector
HDMI 1.4a
Input Level
T.M.D.S. 2.9V/3.3V
Output Level
T.M.D.S. 2.9V/3.3V
Input Impedance
50Ω
Output Impedance
50Ω
General
Resolution
Range
Up to 1920 x 1200
or 1080P@60Hz
Bandwidth
6.75 Gbit/s
Switching Speed
200ns (Max.)
Input / Output
Level
T.M.D.S. 2.9V/3.3V
Gain
0dB
Video Impedance
50Ω