User Manual for FOURKAY models including: 4K60 4x1 Multiviewer Seamless UHD Video Switcher, 4K60, 4x1 Multiviewer Seamless UHD Video Switcher, Multiviewer Seamless UHD Video Switcher, Seamless UHD Video Switcher, UHD Video Switcher, Video Switcher, Switcher

FOURKAY MV4K41H 4x1 Seamless HDMI Switch Multiviewer

FOURKAY

User Manual (PDF)

FOURKAY 4x1 4K@60Hz Seamless Switch Multiviewer with Audio Extraction and RS232 Control: Electronics & Photo

4x1 Seamless HDMI Switch Multiviewer


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fourkay-4x1-4k-seamless-hdmi-switch-multiviewer-mv4k41h ?202301301633
4K60 4x1 Multiviewer Seamless UHD Video Switcher
VER 1.0

Thank you for purchasing this product
For optimum performance and safety, please read these instructions carefully before connecting, operating or adjusting this product. Please keep this manual for future reference.
Surge protection device recommended
This product contains sensitive electrical components that may be damaged by electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge protection systems is highly recommended in order to protect and extend the life of your equipment.
Table of Contents
1. Introduction.......................................................................................... 1 2. Features................................................................................................. 1 3. Package Contents............................................................................... 2 4. Specifications....................................................................................... 2 5. Operation Controls and Functions..................................................... 3
5.1 Front Panel...................................................................................... 3 5.2 Rear Panel...................................................................................... 5 6. IR Remote............................................................................................. 5 7. EDID Settings.......................................................................................... 6 8. Video & Audio....................................................................................... 7 9. Multiview.................................................................................................7 10. OSD Menu Navigation........................................................................ 8 11. RS-232 Command...............................................................................10 12. Application Example..........................................................................15

1. Introduction
This 4K60 4x1 Multiviewer Seamless UHD Video Switcher was developed for the purpose of supporting higher output resolution (4K@60) for multiple sources on a single screen. It can combine up to four video signals onto a single UHD or HD displayer. The user can easily manage each input via the supplied Control Software and create any layout and position of any of the four inputs on a single monitor. This device supports full range of input video resolutions up to 4K@60 (RB) and audio RCA /Optical de-embedding supported for external audio distribution systems. This device can be controlled via front panel buttons, IR remote, RS-232 commands.
2. Features
 HDMI 2.0b, HDCP 2.2 and HDCP 1.x compliant  Support 18Gbps video bandwidth  Input and output resolutions support up to 4K@60Hz  Support LPCM, AC3, DD+, DTS, DTS-HD, up to 7.1 audio channel  Seamless switching between input channels and combined multiple
images on single UHD monitor  Up to 8 display modes: SINGLE, PIP, PBP (1), PBP (2), Triple (1),
Triple (2), Quad (1), Quad (2)  Seamless switching on single screen display mode  Fast switching on multiview display mode  Audio de-embedding via analog and optical fiber audio ports  Support volume control and independent audio selection  Support OSD navigation for advanced setting  EDID management  Control via front panel buttons, IR remote, RS-232 commands  Compact design for easy and flexible installation
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3. Package Contents
 1 x 4K60 4x1 Multiviewer Seamless UHD Video Switcher  1 x IR Remote  1 x 3pin-3.81mm Phoenix Connector (male)  1 x 38KHz IR Wideband Receiver Cable (1.5 meters)  2 x Mounting Ears  4 x Machine Screws (KM3*4)  4 x Rubber Feet  1 x 12V/2.5A Locking Power Adapter  1 x User Manual

4. Specifications

Technical

HDMI Compliance HDMI 2.0b

HDCP Compliance HDCP 2.2 / 1.x Video Bandwidth 18Gbps

Video Resolution Up to 4K@60Hz

IR Level

5Vp-p

IR Frequency

38KHz

Color Space

RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0

Color Depth

8bit

Audio Formats

HDMI: PCM2.0/5.1/7.1CH, Dolby Digital/Plus, DTS, DTS High Res
Analog audio [3.5mm L/R]: PCM2.0; SPDIF (OPTICAL): Dolby Digital, DTS 5.1, PCM2.0. Note: It does not support HBR audio.

ESD Protection

Human body model -- ±8kV (Air-gap discharge) & ±4kV (Contact discharge)

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Connection

Input ports

4 x HDMI IN [Type A, 19-pin female]

Output ports Control ports

1 x HDMI OUT [Type A, 19-pin female] 1 x L/R OUTPUT [RCA] 1 x OPTICAL OUTPUT [S/PDIF]
1 x RS-232 [3pin-3.81mm phoenix connector] 1 x IR EXT [3.5mm Stereo Mini-jack]

Mechanical

Housing Color

Metal Enclosure Black

Dimensions

220mm [W] x 100mm [D] x 30mm [H]

Weight Power Supply

620g
Input: AC 100 - 240V 50/60Hz Output: DC 12V/2.5A (US/EU standard, CE/FCC/UL certified)

Power Consumption 10W (Max)

Operating Temperature

32 - 104°F / 0 - 40°C

Storage Temperature -4 - 140°F / -20 - 60°C

Relative Humidity 20 - 90% RH (no-condensing)

5. Operation Controls and Functions
5.1 Front Panel

IR

1

2

3

4 AUTO

AUTO

INPUT

RES

12

3

4

5

67 8 9

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No.

Name

Function Description

 Short press this button to power on the device. 1 Power button  Long press this button for 1 seconds to enter the standby
mode.
The Power LED will light in green when the product is 2 Power LED powered on, and red when the product is on standby.

Input signal indicator lights. When the HD 1/2/3/4 port connects an active source device, the corresponding green LED will be 3 Input 1-4 LEDs on. Note: Only the LED of the selected input channel will light in green on single screen display mode; all LEDs will light in green on multiview mode.

4 AUTO LED

When the device is on the AUTO mode, the AUTO LED will light in green, and HDMI is automatically identified, that is, when the currently displayed source signal is disconnected, the switcher will automatically identify the next connected HDMI input port.

5 IR Window IR signal receiving window.

6

AUTO button

Automatic switching button, only available on single screen display mode.

7

INPUT button

Input source switching button, only available on single screen display mode.

Multiview 8 button 9 RES button

Multiview display mode switching button.  Short press this button to circularly select SINGLE - PIP -
PBP (1) - PBP (2) - Triple (1) - Triple (2) - Quad (1) - Quad (2).
 Long press this button for 3 seconds to select the aspect ratio for PBP (1) / PBP (2) / Triple (1) / Triple (2) / Quad (1) / Quad (2).
Output resolution switching button.
 Short press the RES button to circularly switch the output resolution of the HDMI OUTPUT port (Please refer to the output resolution list of "8. Video & Audio").
 Long press the RES button for 3 seconds to switch the output resolution to 720P60.

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5.2 Rear Panel
OUTPUT

INPUT

TX RX

R

L

OPTICAL

HDMI

HD 1

HD 2

HD 3

HD 4

RS-232

IR EXT DC 12V

1

2

3

4

5 67

No.

Name

Function Description

1 L/R port

PCM2.0 Analog audio output port.

2 OPTICAL port Optical fiber digital audio output port.

3

HDMI OUTPUT HDMI signal output port, connected to HDMI display device

port

such as TV or Monitor with HDMI cable.

HD 1-4 4 INPUT ports

HDMI signal input ports, connected to HDMI source device such as DVD or Set-top box with HDMI cable.

5 RS-232 port

3-pin phoenix connector, connected to a PC or control system for serial port upgrade or RS-232 command control.

6 IR EXT port

IR signal receiving port, connected with 38KHz IR Receiver cable. If the IR signal receiving window of the unit is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted to the "IR EXT" port to receive the IR remote signal.

7 DC 12V

DC 12V/2.5A power input port.

6. IR Remote

1

 Power on or Standby: Press this button to

2

power on the switcher or set it to standby mode.

 HD 1/2/3/4: Press these buttons to select input

3

source on single screen display mode, and the

corresponding input LED on the front panel will

light in green.

4

: Press these buttons to circularly select the

last or next input source on single screen

display mode.

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: Multiview display mode switching button.  Short press this button to circularly select SINGLE - PIP - PBP (1) -
PBP (2) - Triple (1) - Triple (2) - Quad (1) - Quad (2).  Long press this button for 3 seconds to select the aspect ratio for
PBP (1) / PBP (2) / Triple (1) / Triple (2) / Quad (1) / Quad (2).
: Output resolution switching button.  Short press the RES button to circularly switch the output
resolution of the HDMI OUTPUT port (Please refer to the output resolution list of "8. Video & Audio")  Long press the RES button for 3 seconds to switch the output resolution to 720P60.
 MENU, EXIT, LEFT, RIGHT, UP, DOWN, OK: OSD Menu navigation buttons.  A-IN: Press this button to pop up the audio channel selection OSD, then press
the UP / DOWN button to select the audio output channel. (The output audio follows the video source by default.) Mute: Press this button to mute / unmute the audio. VOL-, VOL+: Press these buttons to increase / decrease the audio output volume.

7. EDID Settings
User can select following EDID modes via RS-232 command or OSD menu navigation.

No. EDID Mode
1 4K60-2.0CH 2 4K60-5.1CH 3 4K60-7.1CH 4 4K30-2.0CH 5 4K30-5.1CH 6 4K30-7.1CH 7 1080P-2.0CH 8 1080P-5.1CH 9 1080P-7.1CH

No. EDID Mode 10 1920x1200-2.0CH 11 1680x1050-2.0CH 12 1600x1200-2.0CH 13 1440x900-2.0CH 14 1360x768-2.0CH 15 1280x1024-2.0CH 16 1024x768-2.0CH 17 720P-2.0CH 18 AUTO

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8. Video & Audio

The switcher supports multiple resolution video input up to 3840x2160@60, and supports multiple audio formats such as LPCM, AC3, DD+, DTS, DTSHD, up to 7.1 channel pass through function via HDMI cable. User can control the volume of audio in LPCM format. The switcher supports following video output resolutions via a powerful scaling engine.

No. Output Resolution No. Output Resolution

1 4096x2160p 60Hz

8 1920x1080p 60Hz

2 4096x2160p 50Hz 3 3840x2160p 60Hz

9 1920x1080p 50Hz 10 1360x768p 60Hz

4 3840x2160p 50Hz

11 1280x800p 60Hz

5 3840x2160p 30Hz

12 1280x720p 60Hz

6 3840x2160p 25Hz

13 1280x720p 50Hz

7 1920x1200p 60Hz RB 14 1024x768 60Hz

9. Multiview
The switcher supports 8 categories of multiview display modes: SINGLE, PIP, PBP (1), PBP (2), Triple (1), Triple (2), Quad (1), Quad (2) Users can select different operations for different Multiview modes as following: SINGLE: Inputs selection PIP: Inputs selection, Sub window size and position selection PBP (1), PBP (2), Triple (1), Triple (2), Quad (1), Quad (2): Inputs selection, Display mode selection, Display aspect selection Multiview window distributions are as following:
SINGLE PIP PBP (1) PBP (2) Triple (1) Triple (2) Quad (1) Quad (2)

User can select Multiview modes via RS-232 commands or OSD menu navigation.
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10. OSD Menu Navigation

(1) A total of seven buttons on the IR Remote are used for OSD menu navigation, including MENU, EXIT, UP, DOWN, LEFT, RIGHT, OK. Menu contents are as follows:

Output

Resolution

3840x2160p60

4096x2160p 60Hz/ 4096x2160p 50Hz/ 3840x2160p 60Hz/ 3840x2160p 50Hz/ 3840x2160p 30Hz/ 3840x2160p 25Hz/ 1920x1200p60Hz RB/ 1920x1080p 60Hz/ 1920x1080p 50Hz/ 1360x768p 60Hz/ 1280x800p 60Hz/ 1280x720p 60Hz/ 1280x720p 50Hz/ 1024x768 60Hz

VKA ITC Single
PIP Multiview
PBP

BLACKSCREEN,
OFF Input select Win1 Select Win2 Select
PIP Position PIP Size Win1 Select Win2 Select MODE Aspect

BLACKSCREEN, BLUESCREEN ON,OFF HDMI1,HDMI2,HDMI3,HDMI4 HDMI1,HDMI2,HDMI3,HDMI4 HDMI1,HDMI2,HDMI3,HDMI4 Right Bottom,Right Top, Left Bottom,Left Top Small,Middle,Large HDMI1,HDMI2,HDMI3,HDMI4 HDMI1,HDMI2,HDMI3,HDMI4 1, 2 Full, 16:9

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AUDIO System

3xWIN
4xWIN
Audio Select Volume AUDIO-MUTE Language/

Win1 Select Win2 Select Win3 Select MODE Aspect Win1 Select Win2 Select Win3 Select Win4 Select MODE Aspect
WIN1
100 OFF 

EDID

4K60-2.0

Baud rate
Reset FW Version

115200 Reset
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HDMI1,HDMI2,HDMI3,HDMI4
HDMI1,HDMI2,HDMI3,HDMI4
HDMI1,HDMI2,HDMI3,HDMI4
1, 2
Full, 16:9
HDMI1,HDMI2,HDMI3,HDMI4 HDMI1,HDMI2,HDMI3,HDMI4
HDMI1,HDMI2,HDMI3,HDMI4
HDMI1,HDMI2,HDMI3,HDMI4
1, 2
Full,16:9 WIN1,HDMI1,HDMI2,HDMI3, HDMI4
0..100
ON, OFF
English,  4K60-2.0,4K60-5.1CH, 4K60-7.1CH,4K30-2.0CH, 4K30-5.1CH,4K30-7.1CH, 1080P-2.0CH,1080P-5.1CH, 1080P-7.1CH,1920x12002.0CH,1680x1050-2.0CH, 1600x1200-2.0CH,1440x900 -2.0CH, 1360x768-2.0CH, 1280x1024-2.0CH, 1024x 768-2.0CH,720P-2.0CH, AUTO 115200,57600,38400, 19200,9600
Reset Read only

(2) A total of four buttons on the IR Remote are used for audio setting on OSD menu navigation, including A-IN, Mute, VOL-, VOL+. Menu contents are as follows:

A-IN Mute

Audio Input Audio Mute

WIN1 OFF

WIN1,HDMI1,HDMI2,HDMI3, HDMI4
ON, OFF

VOL-/VOL+ Audio Volume

100

0..100

11. RS-232 Command
The product also supports RS-232 command control. Connect the RS-232 port of the product to a PC with a 3-pin phoenix connector cable. Then, open a Serial Command tool on PC to send ASCII commands to control the product. The ASCII command list about the product is shown as below.

ASCII Commands

Serial port protocol. Baud rate: 115200 (default), 57600, 38400, 19200, 9600 Stop bits:1 Check bit: 0
x - Parameter 1y - Parameter 2; ! - Delimiter

Data bits: 8bit

Command Code Function Description

System Setting

help!

List all commands

r type!

Get device model

r fw version!

Get Firmware version

Example

Feedback

help! r type!
r fw version!

4x1 HDMI Multiviewer
MCU FW version x.xx.xx SCALER FW version x.xx.xx Power on

power z! r power!

Power on/off the device,z=0~1 (z=0 power off, z=1 power on)

power 1!

Get current power state

r power!

System Initializing... Initialization Finished! MCU FW version x.xx.xx SCALER FW version x.xx.xx
power on/power off
Reboot...

reboot!

Reboot the device

reboot!

System Initializing... Initialization Finished! MCU FW version x.xx.xx SCALER FW version x.xx.xx

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Command Code Function Description

Example

Feedback Reset to factory defaults

reset!

Reset to factory defaults

reset!

Output Setting s output res x!

Set Output Resolution (x=1~14)

1. 4096x2160p60,

2. 4096x2160p50,

3. 3840x2160p60,

4. 3840x2160p50,

5. 3840x2160p30,

6. 3840x2160p25, 7. 1920x1200p60RB,

s output res 3!

8. 1920x1080p60,

9. 1920x1080p50,

10.1360x768p60,

11.1280x800p60,

12.1280x720p60,

13.1280x720p50,

14. 1024x768p60,

System Initializing... Initialization Finished! MCU FW version x.xx.xx SCALER FW version x.xx.xx
out resolution: 3840x2160p60

r output res!

Get output resolution

r output res! out resolution: 3840x2160p60

s output hdcp x! r output hdcp!

set output hdcp (x=1~3) 1. HDCP 1.4 2. HDCP 2.2 3. HDCP OFF
Get output hdcp status.

s output hdcp 2! output HDCP: HDCP 1.4 r output hdcp! output HDCP: HDCP 1.4

s output vka x! r output vka! s output itc x!

Set output video keep active pattern. (x=1~2) 1. black screen 2. blue screen

s output vka 1!

Get output video keep active pattern.

r output vka!

Set output video mode (x=1~2)

1: video mode

s output itc 1!

2: pc mode

output VKA pattern: black screen output VKA pattern: black screen output ITC: video mode

r output itc!

Get output video mode

r output itc!

output ITC: video mode

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Command Code Function Description

Example

Feedback

EDID Setting s input EDID x!

Set HDMI input EDID mode

(x=18)

1. 4K2K60_444,Stereo Audio 2.0

2. 4K2K60_444,Dolby/DTS 5.1

3. 4K2K60_444,HD Audio 7.1

4. 4K2K30_444,Stereo Audio 2.0

5. 4K2K30_444,Dolby/DTS 5.1

6. 4K2K30_444,HD Audio 7.1

7. 1080P,Stereo Audio 2.0

8. 1080P,Dolby/DTS 5.1 9. 1080P,HD Audio 7.1

s input EDID 1!

10.1920x1200,Stereo Audio 2.0

11.1680x1050,Stereo Audio 2.0

12.1600x1200,Stereo Audio 2.0

13.1440x900,Stereo Audio 2.0

14.1360x768, Stereo Audio 2.0

15.1280x1024,Stereo Audio 2.0

16.1024x768, Stereo Audio 2.0

17.720p,Stereo Audio 2.0

18.copy from HDMI out

input EDID:4K2K60_444, Stereo Audio 2.0

r input EDID! Get input EDID mode

r input EDID!

input EDID:4K2K60_444, Stereo Audio 2.0

Audio Setting

Set output audio source (x=0~4)

0. follow window 1 selected

source
s output audio x! 1. HDMI 1 input audio 2. HDMI 2 input audio

output audio: follow window 1 s output audio 0! selected source

3. HDMI 3 input audio

4. HDMI 4 input audio

r output audio! Get output audio source

r output audio!

output audio: follow window 1 video

s output audio vol+!

Increase output audio volume

s output audio vol+!

output audio volume: 50

s output audio vol-!
s output audio vol x!

Decrease output audio volume
Set output audio volume value (x=0~100)

s output audio vol-!
s output audio vol 30!

output audio volume: 50 output audio volume: 30

r output audio vol!
s output audio mute x!

Get output audio volume
Set output audio mute on/off (x=0~1) 0. mute off 1. mute on

r output audio vol!

output audio volume: 30

s output audio output audio mute: off mute 0!

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Command Code Function Description

Example

Feedback

r output audio Get output audio mute on/off mute!

Single Screen Mode Setting

s auto switch x!

Enable/disable auto switch feature(x=0~1) 0. Disable auto switch 1. Enable auto switch

r auto switch! Get auto switch feature

r output audio mute!

output audio mute: off

s auto switch 0! auto switch off r auto switch! auto switch off

s in source x!

Route input source to output (1~4) 1. HDMI 1 2. HDMI 2 3. HDMI 3 4. HDMI 4

r in source!

Get output selected input source

Multi-viewer Mode Setting

s multiview x!

Set multi-viewer display mode (x=1~5) 1. single screen 2. PIP 3. PBP 4. triple screen 5. quad screen

r multiview!

Get multi-viewer display mode

s in source 1! r in source! s multiview 1! r multiview!

HDMI 1 HDMI 1 single screen single screen

s window x in y!

Select one input for one display

window for the current Multiview

mode.

(x=1~4)

1. window 1

2. window 2 3. window 3

s window 1 in 1! window 1 select HDMI 1

4. window 4

(y=1~4)

1. HDMI 1

2. HDMI 2

3. HDMI 3

4. HDMI 4

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Command Code Function Description

Example

Feedback

r window x in!

Get windows selected input source (x=0~4) 0. ALL 1. window 1 2. window 2 3. window 3 4. window 4

r window 1 in! window 1 select HDMI 1

s PIP position x!

Set PIP window position (x=1~4)

1. Left Top 2. Left Bottom

s PIP position 3! PIP on right top

3. Right Top

4. Right Bottom

r PIP position! Get PIP window position

r PIP position! PIP on right top

s PIP size x!

Get PIP window size (x=1~3) 1. small 2. middle 3. large

s PIP size 3!

PIP size: large

r PIP size!

Get PIP window size

r PIP size!

PIP size: large

s PBP mode x! r PBP mode!

Set PBP windows display mode

(x=1~2) 1. PBP mode 1

s PBP mode 1!

2. PBP mode 2

Get PBP windows display mode r PBP mode!

PBP mode 1 PBP mode 1

Set PBP windows display aspect

ratio (x=1~2) s PBP aspect x! 1. Full screen

s PBP aspect 1! PBP aspect: full screen

2. 16:9

r PBP aspect!

Get PBP windows display aspect ratio

r PBP aspect! PBP aspect: full screen

s triple mode x!

Set triple windows display mode

(x=1~2) 1. triple mode 1

s triple mode 1!

2. triple mode 2

triple mode 1

r triple mode! Get triple windows display mode r triple mode! triple mode 1

Set triple windows display s triple aspect x! aspect ratio (x=1~2)
1. Full screen 2. 16:9

s triple aspect 1! triple aspect: full screen

r triple aspect! s quad mode x!

Get triple windows display aspect ratio
Set quad windows display mode (x=1~2) 1. quad mode 1 2. quad mode 2

r triple aspect! triple aspect: full screen s quad mode 1! quad mode 1

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Command Code Function Description

Example

Feedback

r quad mode! Get quad windows display mode r quad mode! quad mode 1

Set quad windows display

s quad aspect x!

aspect ratio (x=1~2) 1. Full screen

2. 16:9

r quad aspect!

Get quad windows display aspect ratio

s quad aspect 1! quad aspect: full screen r quad aspect! quad aspect: full screen

12. Application Example

UHDTV

PC

OUTPUT

R

L

OPTICAL

HDMI

HD 1

HD 2

HD 3

INPUT HD 4

TX RX

RS-232

IR EXT DC 12V

Audio Amplifier 2.0 Speakers

Power Supply IR Receiver

TV box PC
DVD or Blu-ray Player

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