SC T HUS03-4K6G 4K60 3×1 HDMI/USB-C Presentation Switcher User Manual

: June 6, 2024
: SC T

HDMI Switcher Series
User Manual
Model : HUS03-4K6G
4K60 3×1 HDMI/USB-C Presentation Switcher

Introduction

HUS03-4K6G is a 3-in-1-out 4K@60Hz 4:4:4 video switcher designed to provide a user-friendly and intuitive operation for presenters to have their thoughts well-delivered during a meeting. The switcher supports HDMI and USB Type-C interfaces which can connect with most electronic devices and fulfill the BYOD need.

Features

Resolution up to 4K@60Hz 4:4:4 and 1080p@120Hz.
Built-in 2 HDMI and 1 USB-C input port.
USB Type-C supports PD (Power Delivery) for device charging.
Built-in contact closure for an external control keypad, 2-CH audio output, and relay for projector screen control.
Supports auto-sensing for HDMI and USB-C input.
Controllable via IR remote, RS232 command, and external control keypad.

Diagram

Panel View

No	Interface/ Port	Description
1	Internal IR Receiver	To receive IR signal from IR remote, carrier

frequency at 38KHz.
2| Blank LED Button| To turn on/off the video display, auto-sensing, and default to factory settings (Please refer to Description 7).
3| USB-C LED Button| To select USB Type-C DP Alternate Mode as the video output
4| HDMI 1 LED Button| To select HDMI 1 as the video source
5| HDMI 2 LED Button| To select HDMI 2 as the video source
6| USB-C input Port| To use a USB-C cable to connect with a video/ audio source, can also charge the connected device (Please refer to Description 2).
7| Audio Input| To use a 3.5mm audio cable to connect with a DVD player or a microphone.
8| HDMI 1 Input Port| To use an HDMI cable to connect with an HDMI source (Please refer to Description 2).
9| HDMI 2 Input Port| To use an HDMI cable to connect with an HDMI source (Please refer to Description 2).
10| DIP Switch| To set up the EDID function (Please refer to Description 3)
11| HDMI Output Port| To Use an HDMI cable to connect with an HDMI display, such as a monitor or a projector.
12| Audio Output Interface| To use an audio cable to connect with speakers or an amplifier (Please refer to Description 4).
---|---|---
13| Relay Interface| To connect with a projector screen to adjust the screen position (Please refer to Description 5)
14| Contact Closure| To connect with an external control keypad.
15| External IR Interface| To use a 3.5mm IR cable to connect with an external IR receiver (carrier frequency at 38KHz).
16| RS232 Interface| To connect with a PC for firmware upgrade or RS232 control (Please refer to Description 7).
17| Power Interface| To connect with a lockable power supply (Suggest using at least DC 24V 3A power adapter).

Description 1 – LED Indications

LED Color	LED Status	USB-C / HDMI 1 / HDMI 2	Blank
No Color	Off	No Video	On
Blue	Blinking	Detecting	–
Blue	on	Video Display	Off

Description 2 – Recommended Cables & Connections

The USB-C port only delivers video/ audio and power and doesn’t support data transfer.
Some USB-C cables do not support video/audio transfer, please use those cables with e-mark and compliant with USB3.2.
Once unplugging the USB-C device, we recommend you wait for 5 seconds to connect with the next USB-C device. Frequently switching may result in the device undetected, which needs to unplug the device and plug it again to work.
We recommend using premium and certified cables
 Using an HDMI cable within 5M is recommended.
 Using a USB Type-C cable within 2M is recommended.
Bad quality cables, connectors, inappropriate connections may cause unstable signal transmission.

Description 3 – EDID

Mode & Configuration

EDID Mode	Switch 1	Switch 2	Description
Pass-Through Mode	OFF ↑	OFF ↑	Refer to the connected monitor EDID (audio

supports 192KHz)
4K Mode| ON ↓| OFF ↑| Resolution at 4K (Audio supports 2CHp48KHz)|
1080p Mode| Any| ON ↓| Resolution at 1080p(Audio supports 2CHp48KHz)|

※ After finishing the setting, make sure to turn the product off and turn it on again.

Description 4 – Audio

Connect Audio out to balanced stereo audio speakers
Connect Audio out to unbalanced stereo audio speakers
※ The surround sound will output only through 2 channels

Description 5 – Relay

Interface	Description
On	Normally Open
Com	Common Contact
Off	Normally Closed

Contact Rating

Load Type|
---|---
Max. Allowable Voltage| AC 120V
DC 24V
Max. Allowable Current| AC 1A

Description 6 – Contact Closure

Please pay attention to the electrical wiring, wrong wiring may damage the product.

Pin	Function
LED	To enable LED indications on the control keypad
5V	To provide 5V for the control keypad
GND	To connect a ground wire for the control keypad
use-C	Connect a control keypad module to trigger the USB-C button
HDMI 1	Connect a control keypad module to trigger HDMI 1 button
HDMI 2	Connect a control keypad module to trigger HDMI 2 button
Blank	Connect a control keypad module to trigger the Blank button

Description 7 – Console

Please use a male-to-female RS232 cable to connect the console port (Female) with a PC (Male).
Pinout

Position	Pin Definition
Pin 2	TX
Pin 3	RX
Pin 5	GND

Description 8 – Switching Mode

Manual Mode

The priority of manual switching is over that of auto-switching.
When 2 inputs are connected, the manual switching function will turn off the auto-switching function for 20 secs.
When turning off the auto-switching function, you can only switch the video through pushbuttons, IR remote, and RS232 commands.

Auto Mode

HUS03-4K6G will auto-detect the USB-C, HDMI 1, and HDMI 2 input and display the available video
Auto mode priority

Priority	Input
1	Last Displayed/ Connected Video
2	USB Type-C
3	HDMI 1
4	HDMI 2

3. When multiple inputs are connected and remove one of them, HUS03-4K6G will auto-detect the inputs for 6 secs and display the next available video source.
4. When you connect a video input and then plug in the next one, HUS03-4K6G will display the last connected source.

Caution
When switching between video inputs, HUS03-4K6G will need to wait for 5~8 secs to display the video source.

Turn On/ Off Auto Mode

Press and hold the “Blank” button for 3 secs to turn on/ off the auto mode.
Connect a PC with the console port and use the RS232 command to turn on/ off the auto mode (Please refer to the RS232 command chart)
LED indications for Auto mode status
a. Auto Mode: On
a. LED Indications: USB-C, HDMI 1, HDMI 2 will blink 6 times (About 5 secs) after turning on
HUS03-4K6G. And the LED of connected inputs will stay on.
b. Auto Mode: Off
a. LED Indications: USB-C, HDMI 1, HDMI 2 will blink 2 times (About 5 secs) after turning on HUS03-4K6G. And the LED of connected inputs will stay on.

Description 9 – IR Remote

Configuration
If you use the IR remote for the first time or just replace the battery, please set up the IR remote ID as 0 by pressing and , which will match the remote ID with that
of HUS03-4K6G.
Buttons & Functions

Button	Function
Blank ON/ OFF
To the previous video
To the previous video
To the next video
To the next video
Reserved
Reserved
`1`	Select USB-Type C as the video source
---	---
`2`	Select HDMI 1 as the video source
`3`	Select HDMI 2 as the video source
`4`	Select USB Type-C/ HDMI 1/ HDMI 2 as the audio input source
`7`	Select 3.5mm as the audio input source
`5`	RELAY OFF
`8`	RELAY ON
`6`	Select HDMI audio as the audio output
`9`	Select 3.5mm as the audio output
Mute/ unmute the audio
`A`	Reserved
`B`	Reserved
Reserved
`#`	Reserved

` **#

**`| Press and hold both buttons for 5 seconds to reset all settings

Description 10 – RS232 Configuration & Commands

Serial Configuration: 8-N-1, Baud Rate at 115200
All commands (Non-case sensitive) are shown below

Command	Description	Remark
BLANK 1/0	BLANK ON/OFF	1: OFF

Description 11 – Factory Default

Use Blank Button

Step 1 – Push and hold the “Blank” button when power off.
Step 2 – Immediately put on the power and push and hold the “Blank” button for 5 secs until 4 LEDs being on.
Step 3 – Wait on the Reboot and finish the reset.

Use IR Remote

Step 1 – Push and hold the* and # for 5 secs.
Step 2 – Wait on the Restart and finish the reset.

Description 12 – Setting Memorizing

The product will memorize the last settings before power off. For example, you select USB-C as the video input and turn off the power afterward. Then, you power the product, and your video output will still keep on USB-C.

Specification

Item No	HUS03-4K6G
Support
Compliance	HDMI 2.0 • HDCP 1.4/2.3 • HDRIO • DP1.3
Max. Video Resolution	4096 x 2160@60Hz
Chroma Subsampling	4:4:4, 4:2:2, 4:2:0
Color Space	RGB, YCbCr
Color Depth	8-bit,10-bit 12-bit,16-bit
Audio Format	LPCM 7.1 @192KHz / Dolby TrueHD / DTS-HD MA
Ports & Interfaces
---	---
Video-Input	1 x USB Type-C, 2 x HDMI Type-A
Contact Closure	1 x 7-pin Terminal Block
Relay	1 x 3-pin Terminal Block
Audio Input	1 x 5-pin Terminal Block
Console	1 x RS232 for firmware upgrade and RS232 command
Audio Output	1 x (3.5mm) Phone Jack
IR Interface	1 x Internal receiver,lx 3.5mm Phone Jack (38KHz / 045 deg / 6M)
Power
---	---
Power Supply	DC24V 5A (120W)
Power Consumption	Max 21.6W (900mA), Low Power 4.8W (200mA)
USB-C Power Delivery	DC5V 3A(15W), DC9V 3A(27W), DC15V 3A(45W), DC20V 3A(60W)

Ambient Temperature

Operation Temperature| -20 ~ 70℃
Storage Temperature| -25 ~ 85℃
Humidity| Up to 90％
Physical Characteristics

Dimension| 190 × 131.5 × 40mm
Weight| 605g
Accessory| |
---|---|---
A| Corner Iron| | x 2
B| SMF Screw (Machine Screw)| | x 4
C| SWT Screw (Self-drilled Screw)| | x 4
D| Rubber Pads| | x 4

Fix on a Table
Step1 – Evenly install 2 SMF screws and 1 corner iron on each side of HUS03-4K6G

Step2 – Use 4 SWT screws to firmly fix HUS03-4K6G on a table.

Fix beneath a table
Step1 – Evenly install 2 SMF screws and 1 corner iron on each side of HUS03-4K6G

Step2 – Use 4 SWT screws to firmly fix HUS03-4K6G beneath the table.

Use rubber pads to prevent the product from slipping down the platform

Wall Mounting
Step 1: Install the SWT screws on a platform, and leave a 2mm high clearance.

Step 2: Place HUS03-4K6G on the platform and fit its holes in the corresponding screw positions.

Step 3: Move HUS03-4K6G in a parallel direction until it gets fixed

Troubleshooting

If no videos are shown after connecting all cables and power, please follow the EDID configuration instruction or refer to the charts below to change your TV resolution to a supported one.
Resolution
DCI Standard

UHD/HD/SD	Resolution	Refresh Rate (Hz)
4096 x 2160p DCI	24	25
50	60
3840 x 2160p UHD	24	25
50	60
1080p	23.97	24
29.97	30	50
59.94	60	120
1080i	50	60
720p	50	60.
576p	50
480p	59.94	60
480i	60

VESA Standard

VESA	Resolution	Refresh Rate (Hz)
2560 x 1600	60
2560 x 1440	60
2048 x 1280	60
2048 x 1152	60
1920 x 1440	60	75
1920 x 1200	50	60
1920 x 1080	60
1856 x 1392	60	75
1792 x 1344	60	75
1680 x 1050	60
1600 x 1200	50	60
70	75
1600 x 1024	60
1600 x 900	60
1440 x 960	72
1440 x 900	60	75
1440 x 788	60
1400 x 1050	60
1400 x 788	60
1366 x 768	60
1360 x 768	60
1280 x 1024	60	75
1280 x 960	60	85
1280 x 800	60	75
1280 x 768	60	75
1152 x 870	75
1152 x 864	75
1024 x 768	60	70
1024 x 576	60
852 x 480	60
848 x 480	60
832 x 624	75
800 x 600	56	60
75	85	120
720 x 400	70	85
640 x 480	60	75