Safety precautions
- Unpack the equipment carefully and save the original box and packing material for possible future shipment
- Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons.
- Do not dismantle the housing or modify the module. It may result in electrical shock or burn.
- Using supplies or parts not meeting the products’ specifications may cause damage, deterioration or malfunction.
- Refer all servicing to qualified service personnel.
- To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water.
- Do not put any heavy items on the extension cable in case of extrusion.
- Do not remove the housing of the device as opening or removing housing may expose you to dangerous voltage or other hazards.
- Install the device in a place with fine ventilation to avoid damage caused by overheat.
- Keep the module away from liquids.
- Spillage into the housing may result in fire, electrical shock, or equipment damage. If an object or liquid falls or spills on to the housing, unplug the module immediately.
- Do not twist or pull by force ends of the optical cable. It can cause malfunction.
- Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning.
- Unplug the power cord when left unused for a long period of time.
- Information on disposal for scrapped devices: do not burn or mix with general household waste, please treat them as normal electrical wastes.
Product Introduction
The PT-SW-HD41E is an ultrathin auto switcher with four HDMI video inputs and one HDMI output. This switcher supports HDMI video resolution up to 4Kx2K@60Hz 4:4:4 HDR and multichannel audio. Except passing EDID information from the display, there are multiple built-in EDID settings to simplify an installation. The switcher will de-embed digital stereo audio to provide an analog audio source for an existing audio system. The switcher also supports audio return channel (ARC) for transmitting audio back to HDMI input port from the connected display.
In auto-switch mode, it switches to an HDMI input as soon as a new source is connected. When the active input is removed, the switcher will select the first source on the lowest numbered input. The switcher may also be controlled via RS232, IR with the included remote, or from the source button on the front of the switcher.
Features
- Switches any one of four HDMI inputs to one HDMI output.
- Supports video resolution up to 4Kx2K@60Hz 4:4:4 HDR.
- 18Gbps high bandwidth.
- Fully compliant with the HDMI 2.0 and HDCP2.2 specifications.
- Supports audio return channel (ARC).
- Advanced EDID management: multiple preset and user defined allowed.
- Controllable via RS232 and IR.
- Supports CEC.
- Provides seven LEDs to indicate the current operating status and to assist troubleshooting an installation.
- Firmware upgrade by Micro-USB port.
Package List
- 1x HDMI2.0 4x1 Switcher
- 2x Mounting Ears
- 4x Mounting Screws
- 4x Plastic Cushions
- 1x RS232 Cable (3.5mm to DB9)
- 1x IR Remote
- 1x IR Receiver
- 1x Power Adapter (5V DC 1A)
- 1x User Manual
Note: Please contact your distributor immediately if any damage or defect in the components is found.
Technical Specification
| Video Input | |
|---|---|
| Input | (4) HDMI |
| Input Connector | (4) Female type-A HDMI |
| HDMI Input Resolution | Up to 4Kx2K@60Hz 4:4:4 |
| HDMI Standard | 2.0 |
| HDCP Version | 2.2 |
| Video Output | |
| Output | (1) HDMI |
| Output Connector | (1) Female type-A HDMI |
| HDMI Output Resolution | Up to 4Kx2K@60Hz 4:4:4 |
| HDMI Standard | 2.0 |
| HDCP Version | 2.2 |
| Audio | |
| Output | (1) AUDIO |
| Output Connector | (1) 3.5mm mini stereo audio jack |
| Audio Format | PCM |
| Audio Output Impedance | 70 Ohms |
| Frequency Response | 20Hz to 20kHz, ±3dB |
| Control | |
| Control | (1) IR IN; (1) RS232 |
| Control Connector | (2) 3.5mm mini jack |
| General | |
| Bandwidth | 18Gbps |
| Operation Temperature | -10℃ ~ +55℃ |
| Storage Temperature | -25℃ ~ +70℃ |
| Relative Humility | 10%-90% |
| Power Supply | Input:100V~240V AC; Output: 5V DC 1A |
| Power Consumption | 5W(Max) |
| Dimension (W*H*D) | 194mm x 15mm x 81mm |
| Net Weight | 324g |
Front Panel
- Auto/Source Button: • Press to switch to next input source. • Press and hold at least three seconds to switch between manual mode and auto mode.
- Power LED: The LED illuminates red when power is applied.
- Audio Mode LED: • Illuminates green when de-embedding audio. • Illuminates yellow when in ARC mode.
- Switching Mode LED: • Illuminates green in manual switch mode. • Illuminates yellow in auto-switch mode.
- Input 1~4 LED: The LED illuminates green when there is HDMI input on the corresponding channel.
- FIRMWARE: Micro-USB port for firmware upgrade.
Rear Panel
- IN 1~4: Four type-A female HDMI input ports to connect HDMI sources. The input 4 port supports ARC.
- OUT: Type-A female HDMI output port to connect HDMI display.
- AUDIO: 3.5mm mini jack for analog audio output.
- RS232: 3.5mm mini jack to connect control device (e.g. PC).
- IR IN: 3.5mm mini jack to connect the included IR receiver for remote control.
- EDID: 4-pin DIP switch for EDID setting.
- DC 5V: DC port to connect a 5V DC AC power adapter.
Note: Output HDCP compliant status depends on input signal. When the input signal is with HDCP, then output signal is with HDCP and vice versa.
Usage Precaution
- Make sure all components and accessories included before installation.
- System should be installed in a clean environment with proper temperature and humidity.
- All of the power switches, plugs, sockets, and power cords should be insulated and safe.


- All devices should be connected before power on.
System Diagram
The following diagram illustrates typical input and output connections that can be utilized with this switcher:
Game Console Laptop
STB
5
6
7
Receiver RemoteCentral Control
System
Ray-Blu DVD
TV Speaker
HDMI:
Control:
Audio:
RS232:
Automatic Switching
To enable automatic switching, press and hold the Auto/Source button for three seconds. The Switching Mode LED will turn to yellow.
When in auto-switch mode, the switcher follows the rules in the certain circumstances:
- New Input: Upon detecting a new input, the switcher will automatically select the new source.
- Reboot: Once power is restored to the switcher, if the last selected source is still available, the switcher will still output this signal, otherwise, the switcher will switch to the first available active input starting at HDMI Input 1.
- Source Removed: When an active source is removed, the switcher will switch to the first available active input starting at HDMI Input 1.
IR Remote Control
Please connect an IR receiver to the IR input port; the IR remote is used for signal switching and it can also be used to control source and display devices based on CEC function.

Note: Due to the HDMI input 4 port does not support CEC, the source device connected to this port can not be controlled by IR remote.
The source and display devices are required to support CEC when the IR remote is used to control them.
INPUTS:
1~4: Select the corresponding input source.
MANUAL/AUTO: Switch Auto or manual mode.
SOURCE: Control the input source (e.g. DVD).
DISPLAY: Control the display (e.g. HDTV).
RS232 Control
Connect the switcher to the control device (e.g. PC) with RS232 cable and set the parameters in the right manner, the control device is capable to control this switcher by RS232 commands.
RS232 Control Software
Installation: Copy the control software file to the computer connected with this switcher.
Uninstallation: Delete all the control software files in corresponding file path.
Basic Settings
First of all, please connect all needed input devices and output devices, then to connect it with a computer which is installed with RS232 control software.
Here take the software CommWatch.exe as example.
Double-click the following icon:

The interface of the control software is shown as below:
Please set the parameters of COM number, bound rate, data bit, stop bit and the parity bit correctly, then the RS232 commands can be sent in Command Sending Area.
Baud rate: 9600;
Data bit: 8;
Stop bit: 1;
Parity bit: none.
Parameter configuration area
Monitoring area, indicates if the command sent works.
Command sending area
RS232 Command
Note: All commands must be ended with “<CR><LF>”.
Signal Switching
| Function | Command | Feedback Example |
|---|---|---|
| Switch to HDMI input 1. | >>HDMI1 | <<HDMI1 |
| Switch to HDMI input 2. | >>HDMI2 | <<HDMI2 |
| Switch to HDMI input 3. | >>HDMI3 | <<HDMI3 |
| Switch to HDMI input 4. | >>HDMI4 | <<HDMI4 |
| Enable auto-switching mode. | >>AUTO | <<AUTO Switch |
| Enable manual switching mode. | >>MANUAL | <<MANUAL Switch |
Source Device Control
Note: The input source device is required to support CEC.
Due to the HDMI input 4 port does not support CEC, the source device connected to this port can not be controlled by IR remote.
| Function | Command | Feedback Example |
|---|---|---|
| Turn on the input source device, e.g. Blue-ray DVD. | >>SRCOn | <<SRCOn |
| Turn off the input source device, e.g. Blue-ray DVD. | >>SRCOff | <<SRCOff |
| Play | >>SRCPlay | <<SRCPlay |
| Pause | >>SRCPause | <<SRCPause |
| Stop | >>SRCStop | <<SRCStop |
| Fast Forward x1 | >>SRCForward | >>SRCForward |
| Fast Rewind x1 | >>SRCBackward | <<SRCBackward |
| Next Section | >>SRCSkipForward | >>SRCSkipForward |
| Previous Section | >>SRCSkipBackward | <<SRCSkipBackward |
| Open the menu setting | >>SRCMenu | >>SRCMenu |
| Go back | >>SRCBack | >>SRCBack |
| Confirm (OK) | >>SRCOk | >>SRCOk |
| Exit | >>SRCExit | >>SRCExit |
| Up direction | >>SRCUp | >>SRCUp |
| Down direction | >>SRCDown | >>SRCDown |
| Left direction | >>SRCLeft | >>SRCLeft |
| Right direction | >>SRCRight | <<SRCRight |
Audio Selection
| Function | Command | Feedback Example |
|---|---|---|
| Select ARC audio channel. | >>AUDExternal | <<AUDExternal |
| Select the HDMI audio input channel. | >>AUDInternal | >>AUDInternal |
Display Device Control
Note: The display device is required to support CEC.
| Function | Command | Feedback Example |
|---|---|---|
| Turn on the display device, e.g. HDTV. | >>TVOn | >>TVOn |
| Turn off the display device, e.g. HDTV. | >>TVOff | >>TVOff |
| Volume up. | >>TVVOL+ | >>TVVOL+ |
| Volume down. | >>TVVOL- | >>TVVOL- |
| Mute. | >>TVMUTE | >>TVMUTE |
| Unmute | <<TVUNMUTE | <<TVUNMUTE |
System Control
| Function | Command | Feedback Example |
|---|---|---|
| System reset. | >>RESET | >>RESET |
| Get system information. | >>SYSInfo | <<AUDExternal << PT-SW-HD41E << V1.0.0 << -------- <<HDMI1 <<Auto Switch <<AUDExternal <<EDID0 |
Predefined EDID Setting
The rear panel boasts a 4-pin DIP switch to set the predefined EDID. The ten types of embedded EDID and their corresponding switch status are shown in the below list.
When in the lower position, the switch represents “ON”, while putting the switch in the up position, it represents “OFF”.
| ID | Switch Status | Video | Audio |
|---|---|---|---|
| 0 | 0000 | Pass though | Pass though |
| 1 | 0001 | 1920x1080p@60Hz 4:4:4 RGB 8bit | Stereo |
| 2 | 0010 | 1920x1080p@60Hz 4:4:4 RGB 8bit | High Definition |
| 3 | 0011 | 1920x1080p@60Hz 4:4:4 RGB 12bit | Stereo |
| 4 | 0100 | 1920x1080p@60Hz 4:4:4 RGB 12bit | High Definition |
| 5 | 0101 | 3840x2160p@60Hz 4:2:0 RGB 8bit | Stereo |
| 6 | 0110 | 3840x2160p@60Hz 4:2:0 RGB 8bit | High Definition |
| 7 | 0111 | 3840x2160p@60Hz 4:4:4 RGB 10bit HDR | Stereo |
| 8 | 1000 | 3840x2160p@60Hz 4:4:4 RGB 10bit HDR | High Definition |
| 9 | 1001 | 1280x800@60Hz | Stereo |
| 10 | 1010 | 1920x1200@60Hz | Stereo |
User Defined EDID Setting
Except directly invoking the embedded EDID, the specific EDID can be customized. There are five EDID can be customized following the below operations.
- Rename the user defined EDID according the following format. EC_xx_xxxx_xxx.bin EC: Represents EDID. xx: Represents EDID ID. It is 11~15. xxxx: Represents the video parameter. xxx: Represents the audio format. Example: EC_11_720P_LPCM.bin
- Power on the switcher, and then connect the switcher to the PC with USB cable. The PC will automatically detect a U-disk named of “BOOTDISK”.
- Double-click the U-disk, a file named of “READY.TXT” would be showed.
- Copy the user defined EDID (such as EC_11_720P_LPCM.bin) to the “BOOTDISK” U-disk.
- Reopen the U-disk to check the filename “READY.TXT” whether automatically becomes “SUCCESS.TXT”, if yes, the user defined EDID was imported into the switcher and saved as its corresponding EDID ID successfully.
- Repeat the above third to fifth step to copy other user defined EDIDs to the “BOOTDISK” U-disk.
- Remove the USB cable, connect the adaptor to power on the switcher.
- The new EDID also can be invoked via the 4-pin DIP switch directly. The EDID ID and its corresponding switch status are shown in the below list.
| ID | Switch Status |
|---|---|
| 11 | 1011 |
| 12 | 1100 |
| 13 | 1101 |
| 14 | 1110 |
| 15 | 1111 |
ARC Mode
Audio Return Channel (ARC) allows audio from a display to pass “upstream” through an HDMI cable to an audio processing device, such as an AV amplifier. When ARC mode is active on the switcher, the ARC stream will pass to the active HDMI source device if it can process the signal.

Only the fourth HDMI input port features ARC, when the display and AV amplifier support ARC, the audio connection diagram is shown below:



DC 5VEDIDIR INRS232AUDIOOUTIN 1 IN 2 IN 3
Speaker
Speakers
Amplifier
TV
ARC AUDIO:
Firmware Upgrade
Please follow the steps as below to upgrade firmware by the Micro-USB port on the rear panel:
- Prepare the latest upgrade file (.bin) and rename it as “USERAPP.bin”
- Connect the switcher to the PC with USB cable, and then power on the switcher. The PC will automatically detect a U-disk named of “BOOTDISK”.
- Double-click the U-disk, a file named of “READY.TXT” would be showed.
- Directly copy the latest upgrade file (.bin) to the “BOOTDISK” U-disk.
- Reopen the U-disk to check the filename “READY.TXT” whether automatically becomes “SUCCESS.TXT”, if yes, the firmware was updated successfully, otherwise, the firmware updating is fail, the name of upgrade file (.bin) should be confirm again, and then follow the above steps to update again.
- Remove the USB cable after firmware upgrade.
Panel Drawing
AUTO
SOURCE AUDIO MODE 1 2 3 4
DC 5VEDIDIR INRS232AUDIOOUTIN 1 IN 2 IN 3
4x1 Switcher
HDMI2.0 with Auto Sense and ARC
PT-SW-HD41E
FIRMWARE
81.0mm
194.0mm
15.0mm
Troubleshooting & Maintenance
| Problems | Potential Causes | Solutions |
|---|---|---|
| Colour losing or no video signal output in HDMI display. | The connecting cables may not be connected correctly or it may be broken. | Check whether the cables are connected correctly and in working condition. |
| No HDMI signal output in this switcher while local HDMI input is in normal working state. | ||
| Splash screen in output devices. | Poor quality of the connecting cable. | Change for another cable of good quality. |
| Cannot control this switcher by control device (e.g. a PC) through RS232 port. | Wrong RS232 communication parameters. | Make sure the RS232 communication parameters are correct. |
| This switcher is broken. | Send it to authorized dealer for repairing. | |
| Static becomes stronger when connecting the video connectors. | Bad grounding. | Check the grounding and make sure it is connected well. |
Note: If your problem still remaining after following the above troubleshooting steps, please contact your local dealer or distributor for further assistance.
After-Sales Service
If there appear some problems when running the product, please check and deal with the problems referring to this user manual. Any transport costs are borne by the users during the warranty.
- Product Limited Warranty: The product will be free from defects in materials and workmanship for two years (The purchase invoice shall prevail). Proof of purchase in the form of a bill of sale or receipted invoice which is evidence that the unit is within the Warranty period must be presented to obtain warranty service.
- What the warranty does not cover (servicing available for a fee): Warranty expiration. Factory applied serial number has been altered or removed from the product. Damage, deterioration or malfunction caused by: Normal wear and tear. Use of supplies or parts not meeting our specifications. No certificate or invoice as the proof of warranty. The product model showed on the warranty card does not match with the model of the product for repairing or had been altered. Damage caused by force majeure. Servicing not authorized by distributor. Any other causes which does not relate to a product defect. Delivery, installation or labor charges for installation or setup of the product.
- Technical Support: For any questions or problems, contact your distributor or reseller and tell them the respective product name and version, the detailed failure situation as well as the formation of the cases.
Asking for Assistance
Technical Support:
Phone: +49 5971 800299 - 0
Fax: +49 5971 800299 – 99
Technical Support Hours:
8:30 AM to 5:00 PM Monday thru Thursday
8:30 AM to 4:00 PM Friday
Write to:
PureLink GmbH
Von-Liebig-Straße 10
D - 48432 Rheine
www.purelink.de
info@purelink.de
Legal & Compliance
Product identification
Model: PT-SW-HD41E – manual version 1.0
Trademarks and disclaimer
Product model and logo are trademarks. All other company and product names mentioned are trademarks of their respective owners. All rights reserved. No part of this publication may be copied or reproduced without prior written permission. We reserve the right to make changes to the device, packaging or manual and accept no liability for misprints.
EU conformity
PureLink hereby declares that this product PureTools PT-SW-HD41E complies with Directives 1907/2006/EU und 2011/65/EU. PureLink GmbH hereby declares that this product PureTools PT-SW-HD41E complies with Directives 2014/30/EU and 2014/35/EU.
| Directive / Regulation |
|---|
| 1907/2006/EU |
| 2011/65/EU |
| 2014/30/EU |
| 2014/35/EU |
The full text of the EU Declaration of Conformity is available at: http://www.purelink.de/ce/4251364718414_CE.pdf
FCC
Statement This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. It has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation.
Disposal of electrical and electronic equipment
WEEE reg. no.: DE 93847290
The crossed-out wheelie bin symbol on the product, packaging or in this manual means that electrical and electronic equipment must not be disposed of with household waste at the end of its life. Hand in old devices free of charge at a public collection point or return them to a distributor obliged to take them back. Remove batteries and lamps that can be removed without destroying the device before handing it in, and delete any personal data stored on the device. Details are regulated by national law. By returning old devices you help protect the environment.
Batteries
Batteries must not be disposed of with household waste. Return used batteries free of charge to collection points or retailers.
Packaging
Dispose of packaging separately by material (paper/cardboard, plastics) via the local collection systems. Keep packaging material away from children – risk of suffocation. Packaging register LUCID: DE5958616449295.

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