ST-NMXB42MV 4K60 4x2 Multiviewer Seamless UHD Video Matrix Switcher

This 4x2 Multiviewer Seamless UHD Video Matrix Switcher was developed 
for the purpose of supporting higher output resolution (4K@60) for multiple 
sources on two screens. It can accept 4 HDMI™ input digital sources and 
combine 4 video signals onto 2 HDMI™ UHD or HD monitors independently. 
The user can manage each input, and create combinations of the 4 inputs 
on 2 displays, as well as adjust the position of any input. 
This product supports 8 display modes, within the mode range, users can 
freely switch 4-channel HD input signals. It can realize single screen display 
and multiview display on a single screen. 
This product 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 Matrix Switcher can be controlled via front panel buttons, IR remote, 
OSD menu navigation, Controller software, RS-232 commands.

 Features

☆  HDCP 2.2 and HDCP 1.x compliant
☆  18Gbps uncompressed bandwidth, input and output resolution up to 
     4K2K@60 4:4:4, as specified in HDMI™ 2.0b
☆  HDMI™ audio formats support LPCM, DD+, DTS, Dolby TrueHD, 
     DTS HD-master pass-through
☆  Seamless switching between input channels
☆  Combined multiple images independent layouts to display on two 
     UHD TVs
☆  Up to 8 display modes: Single, PIP, PBP(1), PBP(2), Triple(1), 
     Triple(2), Quad(1), Quad(2)
☆  Audio de-embedding via analog and optical fiber audio ports
☆  Control via front panel buttons, IR remote, OSD menu navigation, 
     Controller software, RS-232 commands
☆  Each output port supports Scaler function
☆  Support independent audio selection
☆  Advanced EDID management
☆ Compact design for easy and flexible installation

Package Contents

① 1 x 4K60 4x2 Multiviewer Seamless UHD Video Matrix Switcher
② 1 x IR Remote
③ 1 x 3pin-3.81mm Phoenix Connector (male)
④ 1 x 38KHz IR Wideband Receiver Cable (1.5 meters)
⑤ 2 x Mounting Ears 
⑥ 4 x Machine Screws (KM3*4)
⑦ 1 x 12V/2.5A Locking Power Adapter
⑧ 1 x User Manual   

Specifications

Technical
HDMI™ Compliance	HDMI™ 2.0b
HDCP Compliance	HDCP 2.2 / 1.x
Video Bandwidth	18Gbps
Video Resolution	Up to 4K2K@60 4:4:4
Color Depth	8/10/12-bit
Color Space	RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
Audio Formats	HDMI™ audio: PCM2.0/5.1/7.1CH, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio Analog audio [3.5mm L/R]: PCM2.0 Optical fiber audio: PCM2.0/5.1/7.1CH, Dolby Digital/plus, DTS 5.1
IR Level	5Vp-p
IR Frequency	38KHz
ESD Protection	IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge)
Connection
Input ports	4 x HDMI™ IN [Type A, 19-pin female]
Output ports	2 x HDMI™ OUT [Type A, 19-pin female] 2 x L/R OUTPUT [RCA] 2 x OPTICAL OUTPUT [S/PDIF]
Control ports	1 x RS-232 [3pin-3.81mm phoenix connector] 1 x IR EXT [3.5mm stereo mini-jack]
Mechanical
Housing	Metal Enclosure
Color	Black
Dimensions	270mm [W] x 130mm [D] x 30mm [H]
Weight	906g
Power
Power Supply	Input: AC 100 - 240V 50/60Hz Output: DC 12V/2.5A (US/EU standard, CE/FCC/UL certified)
Power Consumption	15.72W (Max)
Environmental
Operating Temperature	32°F - 104°F / 0°C - 40°C
Storage Temperature	-4°F - 140°F / -20°C - 60°C
Operating Humidity	20%~80% (relative humidity, no-condensing)
Storage Humidity	10%~90% (relative humidity, no-condensing)

Operation Controls and Functions

Front Panel

 

No.	Name	Function Description
1	Power button	▪ Short press this button to power on the device. ▪ Long press this button for 1 seconds to enter the standby mode.
2	Power LED	The Power LED will light in green when the product is powered on, and red when the product is on standby.
3	OUT 1 LEDs	Signal source indicator for the HDMI OUT 1 port. In single screen display mode, when the HDMI OUT 1 port outputs the signal from the HD 1/2/3/4 port, the corresponding green LED will be on. In multiview mode, all OUT 1 LEDs will light in green.
4	OUT 2 LEDs	Signal source indicator for the HDMI OUT 2 port. In single screen display mode, when the HDMI OUT 2 port outputs the signal from the HD 1/2/3/4 port, the corresponding green LED will be on. In multiview mode, all OUT 2 LEDs will light in green.
5	IR window	IR signal receiving window.
6	OUT 1/2 operating buttons	OUT 1/2 button: ▪ Short press OUT 1/2 button to switch input source for the HDMI OUT 1/2 port, only available in single screen display mode. ▪ Long press OUT 1/2 button, then the OSD menu of the HDMI OUT 1/2 port will display the corresponding input source information. OUT 1/2 Multiview button: The Multiview display mode switching button for the HDMI OUT 1/2 port. ▪ Short press this button to circularly select: Single-PIP-PBP(1)-PBP(2)-Triple(1)-Triple(2)-Quad(1)-Quad(2)-single. ▪ Long press this button for 3 seconds to switch the aspect ratio (16:9/Full) for PBP (1) / PBP (2) / Triple (1) / Triple (2) / Quad (1) / Quad (2). OUT 1/2 RES button: The output resolution switching button for the HDMI OUT 1/2 port. ▪ Short press the RES button, the OSD will display the current output resolution of the HDMI OUT 1/2 port. Short press the RES button again before the OSD disappears to circularly switch the output resolution. ▪ Long press the RES button for 3 seconds to switch the output resolution to 720P60.

Rear Panel

 

No.	Name	Function Description
1	L/R OUT 1	PCM2.0 Analog audio output port.
2	OPTICAL OUT 1	Optical fiber digital audio output port.
3	HDMI OUT 1	HDMI signal output port, connected to HDMI display device such as TV or Monitor with HDMI cable.
4	L/R OUT 2	PCM2.0 Analog audio output port.
5	OPTICAL OUT 2	Optical fiber digital audio output port.
6	HDMI OUT 2	HDMI signal output port, connected to HDMI display device such as TV or Monitor with HDMI cable.
7	HD 1-4 INPUT ports	HDMI signal input ports, connected to HDMI source device such as DVD or Set-top box with HDMI cable.
8	RS-232 port	3-pin phoenix connector, connected to a PC or control system for serial port upgrade or RS-232 command control.
9	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.
10	DC 12V	DC 12V/2.5A power input port.

IR Pin Definition

IR Receiver pin's definition is as below:

 

Pin	Assignment
1	IR Signal
2	Power
3	Grounding

IR Remote

 

Button Group	Button	Function Description
① Power
	Power button	Press this button to power on the switcher or set it to standby mode.
② OUT 1/OUT 2 Buttons
	HD 1/2/3/4	Press these buttons to select input source in single screen display mode, and the corresponding input LED on the front panel will light in green.
	◄ ►	Press these buttons to circularly select the last or next input source in single screen display mode.
	⊞ (Multiview)	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).
	16:9	Press this button to switch the aspect ratio (16:9/Full) for PBP (1) / PBP (2) / Triple (1) / Triple (2) / Quad (1) / Quad (2) display mode.
	A-IN	Press this button to pop up the audio channel selection OSD, then press the ▲ / ▼ 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.
	RES	Output resolution switching button. ▪ Short press the RES button to circularly switch the output resolution of the HDMI OUT 1/2 port. ▪ Long press the RES button for 3 seconds to switch the output resolution to 720P60.
③ OSD Navigation
	Out 1	Press this button to enter the OSD menu of the HDMI OUT 1 port, and set the corresponding function by pressing ▲ / ▼ / ◄ / ► / OK button.
	Out 2	Press this button to enter the OSD menu of the HDMI OUT 2 port, and set the corresponding function by pressing ▲ / ▼ / ◄ / ► / OK button.
	Exit	Press this button to exit the OSD settings layer by layer.

EDID Settings

User can select following EDID modes via RS-232 commands or OSD menu navigation or Controller software.

No.	EDID Mode	No.	EDID Mode
1	4K2K60_444, Stereo Audio 2.0	11	1680x1050, Stereo Audio 2.0
2	4K2K60_444, Dolby/DTS 5.1	12	1600x1200, Stereo Audio 2.0
3	4K2K60_444, HD Audio 7.1	13	1440x900, Stereo Audio 2.0
4	4K2K30_444, Stereo Audio 2.0	14	1360x768, Stereo Audio 2.0
5	4K2K30_444, Dolby/DTS 5.1	15	1280x1024, Stereo Audio 2.0
6	4K2K30_444, HD Audio 7.1	16	1024x768, Stereo Audio 2.0
7	1080P, Stereo Audio 2.0	17	720p, Stereo Audio 2.0
8	1080P, Dolby/DTS 5.1	18	AUTO
9	1080P, HD Audio 7.1	19	USER1
10	1920x1200, Stereo Audio 2.0

Video & Audio

The switcher supports multiple resolution video input up to 3840x2160@60, and supports multiple audio formats (PCM2.0/5.1/7.1CH, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio) pass-through function via HDMI cable.

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	9	1920x1080p 50Hz
3	3840x2160p 60Hz	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
		15	AUTO

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:

 

Display Mode	Available Operations
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

User can select multiview display modes via RS-232 commands or OSD menu navigation or Controller software.

OSD Menu Navigation

A total of eight buttons on the IR Remote are used for OSD menu navigation, including OUT 1, OUT 2, Exit, ▲, ▼, ◄, ►, OK.

Menu Level 1	Menu Level 2	Menu Level 3	Options
Output	Resolution		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 / AUTO
	BLACKSCREEN		BLACKSCREEN, BLUESCREEN
Multiview	Single	Input select	HDMI1, HDMI2, HDMI3, HDMI4
	PIP	Win1 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win2 Select	HDMI1, HDMI2, HDMI3, HDMI4
		PIP Position	Right Bottom, Right Top, Left Bottom, Left Top
		PIP Size	Small, Middle, Large
	PBP	Win1 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win2 Select	HDMI1, HDMI2, HDMI3, HDMI4
		MODE	1, 2
		Aspect	Full, 16:9
3 x WIN	Win1 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win2 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win3 Select	HDMI1, HDMI2, HDMI3, HDMI4
		MODE	1, 2
		Aspect	Full, 16:9
4 x WIN	Win1 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win2 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win3 Select	HDMI1, HDMI2, HDMI3, HDMI4
		Win4 Select (Audio Source)	WIN1, HDMI1, HDMI2, HDMI3, HDMI4
		MODE	1, 2
		Aspect	Full, 16:9
System	VKA		OFF ON, OFF
	ITC		1, 2
	Baud rate		115200, 57600, 38400, 19200, 9600
	Language/语言		English, 中文
	EDID		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, 1920x1200-2.0CH, 1680x1050-2.0CH, 1600x1200-2.0CH, 1440x900-2.0CH, 1360x768-2.0CH, 1280x1024-2.0CH, 1024x768-2.0CH, 720P-2.0CH, AUTO, USER1
	Reset		Reset
AUDIO	A-IN	Audio Select	WIN1, HDMI1, HDMI2, HDMI3, HDMI4
AUDIO-MUTE	Mute	Audio Mute	ON, OFF
FW Version			Read only

A total of two buttons on the IR Remote are used for audio setting on OSD menu navigation, including A-IN, Mute.

Application Example