ST-NSWB21MV 4K60 2x1 Multiviewer Seamless UHD Video Switcher
- Black
- AC-powered
- 4K ultra HD
- 2160p
Specifications
This 4K60 2x1 Multiviewer Seamless UHD Video Switcher was developed to support higher output resolution (4K@60) for multiple sources on a single screen. It can combine two video signals onto a single UHD or HD display. Users can manage each input and create combinations of the two inputs on a single display, as well as adjust the position of either input. It supports 4 display modes, allowing users to freely switch 2-channel HD input signals for single screen or multiview display. Audio RCA/Optical de-embedding is supported for external audio distribution systems. The device can be controlled via front panel buttons, IR remote, OSD menu navigation, Controller software, and RS-232 commands.
Features
☆ HDMI 2.0b, HDCP 2.2 and HDCP 1.x compliant
☆ Support 18Gbps video bandwidth
☆ Input and output resolutions support up to 4K2K@60 4:4:4
☆ 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 4 display modes: SINGLE, PIP, PBP (1), PBP (2)
☆ Audio de-embedding via analog and optical fiber audio ports
☆ Support volume control and independent audio selection
☆ Advanced EDID management
☆ Control via front panel buttons, IR remote, OSD menu navigation, Controller software, RS-232 commands
☆ Compact design for easy and flexible installation
Package Contents
① 1x 4K60 2x1 Multiviewer Seamless UHD Video Switcher
② 1x IR Remote
③ 1x 3pin-3.81mm Phoenix Connector (Male)
④ 1x 38KHz IR Wideband Receiver Cable (1.5m)
⑤ 2x Mounting Ears
⑥ 4x Machine Screws (KM3*4)
⑦ 1x 12V/1A Locking Power Adapter
⑧ 1x User Manual
Specifications
| Technical | |
| Video Bandwidth | 18Gbps |
| Video Resolution | Up to 4K2K@60 4:4:4 |
| HDMI Compliance | HDMI 2.0b |
| HDCP Compliance | HDCP 2.2 / 1.x |
| Color Space | RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0 |
| Color Depth | 8-bit |
| Audio Formats | HDMI: PCM 2.0/5.1/7.1CH, Dolby Digital/Plus, DTS, DTS High Res (HBR audio not supported) Analog [3.5mm L/R]: PCM 2.0 SPDIF (OPTICAL): Dolby Digital, DTS 5.1, PCM 2.0 |
| IR Frequency | 38kHz |
| IR Level | 5Vp-p |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection | |
| Input | 2x HDMI IN [Type A, 19-pin female] |
| Output | 1x HDMI OUT [Type A, 19-pin female] 1x L/R OUTPUT [RCA] 1x OPTICAL OUTPUT [S/PDIF] |
| Control | 1x RS-232 [3pin-3.81mm phoenix connector] 1x IR EXT [3.5mm stereo mini-jack] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 175mm [W] × 100mm [D] × 30mm [H] |
| Weight | 497g |
| Power Supply | Input: AC 100–240V 50/60Hz, Output: DC 12V/1A (US/EU standard, CE/FCC/UL certified) |
| Power Consumption (Max) | 4.56W |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Operating Humidity | 20%~90% RH (non-condensing) |
Operation Controls and Functions
Front Panel

| No. | Name | Function Description |
|---|---|---|
| 1 | Power Button | Short press to power on the device. Long press for 1 second to enter standby mode. |
| 2 | Power LED | Green ON: The device is powered on. Red ON: The device is in standby mode. |
| 3 | Input 1–2 LEDs | Single screen display mode: When the HDMI OUTPUT port outputs the signal from HD 1/2, the corresponding green LED will be on. Multiview mode: All input signal LEDs will light in green. |
| 4 | IR Window | IR signal receiving window. |
| 5 | INPUT Button | Input source switching button, available in single screen display mode only. |
| 6 | RES Button | Short press to display the current output resolution on OSD; short press again before OSD disappears to circularly switch the output resolution. Long press for 3 seconds to switch the output resolution to 720P@60Hz. |
| 7 | Multiview Button | Short press to circularly select display modes: SINGLE → PIP → PBP (1) → PBP (2). Long press for 3 seconds to select the aspect ratio for PBP (1) / PBP (2). |
Rear Panel

| No. | Name | Function Description |
|---|---|---|
| 1 | L/R Port | PCM 2.0 analog audio output port [RCA]. |
| 2 | OPTICAL Port | Optical fiber digital audio output port [S/PDIF]. |
| 3 | HDMI OUTPUT Port | HDMI signal output port, connecting to a display device such as TV or Monitor with an HDMI cable. |
| 4 | HD 1–2 INPUT Ports | HDMI signal input ports, connecting to HDMI source devices such as DVD or Set-top box with an HDMI cable. |
| 5 | RS-232 Port | 3-pin phoenix connector, connecting to a PC or control system for serial port upgrade or RS-232 command control. |
| 6 | IR EXT Port | IR signal receiving port, connecting with the 38kHz IR Receiver cable. If the IR signal receiving window is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted here to receive IR remote signals. |
| 7 | DC 12V | DC 12V/1A power input port. |
IR Pin Definition
IR Receiver pin’s definition is as below:

IR Remote

① Power: Power on the switcher or set it to standby mode.
② Baud: Pop up OSD menu to circularly select serial port baud rate: 115200, 57600, 38400, 19200, 9600.
③ Multiview Display Mode Buttons: Press to select display mode: SINGLE → PIP → PBP (1) → PBP (2).
④ WIN1: Available in all modes. Press HD1/HD2 to directly/circularly select input source for the WIN1 screen.
⑤ WIN2: Unavailable in single screen mode. In PIP/PBP mode, press HD1/HD2 to select input source for the WIN2 screen.
⑥ SET: In PIP mode, press POS to change sub-window position; press SIZE to zoom in/out sub-window. In PBP(1)/PBP(2) mode, press 16:9 to switch aspect ratio between 16:9 and FULL.
⑦ AUDIO: Press A-IN to switch between the two HDMI input audio sources. Press Mute to mute/unmute audio output. Press VOL–/VOL+ to adjust audio output volume.
⑧ Resolution: Press 4K, 1080P, 720P or XGA to select output resolution.
⑨ EDID: Press 4K2.0, 4K5.1, 2K2.0 or COPY to select EDID mode.
Multiview Display Modes
The switcher supports 4 display modes: SINGLE, PIP, PBP (1), PBP (2).
SINGLE: Input selection only.
PIP: Input selection, sub-window size and position selection.
PBP (1) / PBP (2): Input selection, display mode selection, display aspect selection.
Supported Output Resolutions
| 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 |
RS-232 / API Control
Connect the RS-232 port to a PC with an RS-232 to USB serial cable. Use a Serial Command tool to send ASCII commands.

Serial port protocol: Baud rate: 115200 (default); Data bits: 8; Stop bits: 1; Check bit: 0. Delimiter: !
| Command | Function | Example | Default |
|---|---|---|---|
| System Setting | |||
| help! | List all commands | help! | – |
| r fw version! | Get firmware version | r fw version! | – |
| r type! | Get device model | r type! | – |
| power z! | Power on/off the device (z=0: off, z=1: on) | power 1! | Power on |
| r power! | Get current power state | r power! | – |
| reboot! | Reboot the device | reboot! | – |
| reset! | Reset to factory defaults | reset! | – |
| Output Setting | |||
| s output res x! | Set output resolution (x=1~14; see resolution list above) | s output res 3! | 3840x2160p60 |
| r output res! | Get output resolution | r output res! | – |
| s output hdcp x! | Set output HDCP (x=1: HDCP 1.4, x=2: HDCP 2.2, x=3: HDCP OFF) | s output hdcp 2! | HDCP 1.4 |
| r output hdcp! | Get output HDCP status | r output hdcp! | – |
| s output itc x! | Set output video mode (x=1: video mode, x=2: PC mode) | s output itc 1! | video mode |
| s output vka x! | Set output video keep active pattern (x=1: black screen, x=2: blue screen) | s output vka 1! | black screen |
| Audio Setting | |||
| s output audio x! | Set output audio source (x=0: follow window 1, x=1~2: HDMI 1~2 input audio) | s output audio 0! | follow window 1 |
| r output audio! | Get output audio source | r output audio! | – |
| s output audio vol x! | Set output audio volume (x=0~100) | s output audio vol 30! | 100 |
| s output audio vol+! | Increase output audio volume | s output audio vol+! | – |
| s output audio vol-! | Decrease output audio volume | s output audio vol-! | – |
| s output audio mute x! | Set output audio mute (x=0: mute off, x=1: mute on) | s output audio mute 0! | off |
| r output audio mute! | Get output audio mute status | r output audio mute! | – |
| EDID Setting | |||
| s input EDID x! | Set HDMI input EDID mode (x=1~19; includes 4K60/4K30/1080P/various resolutions with 2.0/5.1/7.1 audio, copy from HDMI out, User1) | s input EDID 1! | 4K2K60_444, Stereo Audio 2.0 |
| r input EDID! | Get input EDID mode | r input EDID! | – |
| Single Screen Mode Setting | |||
| s in source x! | Route input source to output (x=1: HDMI 1, x=2: HDMI 2) | s in source 1! | HDMI 1 |
| r in source! | Get output selected input source | r in source! | – |
| s auto switch x! | Enable/disable auto switch (x=0: disable, x=1: enable) | s auto switch 0! | auto switch off |
| r auto switch! | Get auto switch status | r auto switch! | – |
| Multi-viewer Mode Setting | |||
| s multiview x! | Set multi-viewer display mode (x=1: single screen, x=2: PIP, x=3: PBP) | s multiview 1! | single screen |
| r multiview! | Get multi-viewer display mode | r multiview! | – |
| s window x in y! | Select input (y=1~2: HDMI 1~2) for display window (x=1~2) | s window 1 in 1! | – |
| r window x in! | Get window selected input source (x=0: all, x=1~2: window 1~2) | r window 1 in! | – |
| s window x border y! | Set window border mode (x=1~2: window; y=0: off, y=1: on) | s window 1 border 1! | off |
| s window x border color y! | Set border color for window x (y=1~9: BLACK, RED, GREEN, BLUE, YELLOW, MAGENTA, CYAN, WHITE, GRAY) | s window 1 border color 1! | YELLOW |
| s PIP size x! | Set PIP window size (x=1: small, x=2: middle, x=3: large, x=4: user) | s PIP size 3! | large |
| s PIP position x! | Set PIP window position (x=1: left top, x=2: left bottom, x=3: right top, x=4: right bottom, x=5: user) | s PIP position 3! | right top |
| s PIP Hstart Vstart Hsize Vsize! | Set PIP to user-defined position and size (values 1–100; Hstart+Hsize≤101, Vstart+Vsize≤101) | s PIP 10 10 20 20! | – |
| s PBP mode x! | Set PBP display mode (x=1: PBP mode 1, x=2: PBP mode 2) | s PBP mode 1! | PBP mode 1 |
| s PBP aspect x! | Set PBP aspect ratio (x=1: full screen, x=2: 16:9) | s PBP aspect 1! | full screen |
Controller Software
This product includes a PC-based Controller software (4K60 Multi-Viewer Controller). Connect the RS-232 port to a PC via USB-to-RS-232 serial cable, select COM Control Mode, choose the COM port and baud rate (default: 115200), then click Connect. The software provides three pages:
General Page: Select control mode, set COM port and baud rate, view device information and connection status.
Output Page: Select multiview display mode (SINGLE/PIP/PBP(1)/PBP(2)), adjust PIP size and position, select input sources per window, set output resolution, HDCP, audio source, and audio volume.
System Page: Select EDID mode, perform firmware upgrade, factory reset, or system reboot.
Application Example

This 4K60 2x1 Multiviewer Seamless UHD Video Switcher was developed to support higher output resolution (4K@60) for multiple sources on a single screen. It can combine two video signals onto a single UHD or HD display. Users can manage each input and create combinations of the two inputs on a single display, as well as adjust the position of either input. It supports 4 display modes, allowing users to freely switch 2-channel HD input signals for single screen or multiview display. Audio RCA/Optical de-embedding is supported for external audio distribution systems. The device can be controlled via front panel buttons, IR remote, OSD menu navigation, Controller software, and RS-232 commands.
Features
☆ HDMI 2.0b, HDCP 2.2 and HDCP 1.x compliant
☆ Support 18Gbps video bandwidth
☆ Input and output resolutions support up to 4K2K@60 4:4:4
☆ 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 4 display modes: SINGLE, PIP, PBP (1), PBP (2)
☆ Audio de-embedding via analog and optical fiber audio ports
☆ Support volume control and independent audio selection
☆ Advanced EDID management
☆ Control via front panel buttons, IR remote, OSD menu navigation, Controller software, RS-232 commands
☆ Compact design for easy and flexible installation
Package Contents
① 1x 4K60 2x1 Multiviewer Seamless UHD Video Switcher
② 1x IR Remote
③ 1x 3pin-3.81mm Phoenix Connector (Male)
④ 1x 38KHz IR Wideband Receiver Cable (1.5m)
⑤ 2x Mounting Ears
⑥ 4x Machine Screws (KM3*4)
⑦ 1x 12V/1A Locking Power Adapter
⑧ 1x User Manual
Specifications
| Technical | |
| Video Bandwidth | 18Gbps |
| Video Resolution | Up to 4K2K@60 4:4:4 |
| HDMI Compliance | HDMI 2.0b |
| HDCP Compliance | HDCP 2.2 / 1.x |
| Color Space | RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0 |
| Color Depth | 8-bit |
| Audio Formats | HDMI: PCM 2.0/5.1/7.1CH, Dolby Digital/Plus, DTS, DTS High Res (HBR audio not supported) Analog [3.5mm L/R]: PCM 2.0 SPDIF (OPTICAL): Dolby Digital, DTS 5.1, PCM 2.0 |
| IR Frequency | 38kHz |
| IR Level | 5Vp-p |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection | |
| Input | 2x HDMI IN [Type A, 19-pin female] |
| Output | 1x HDMI OUT [Type A, 19-pin female] 1x L/R OUTPUT [RCA] 1x OPTICAL OUTPUT [S/PDIF] |
| Control | 1x RS-232 [3pin-3.81mm phoenix connector] 1x IR EXT [3.5mm stereo mini-jack] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 175mm [W] × 100mm [D] × 30mm [H] |
| Weight | 497g |
| Power Supply | Input: AC 100–240V 50/60Hz, Output: DC 12V/1A (US/EU standard, CE/FCC/UL certified) |
| Power Consumption (Max) | 4.56W |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Operating Humidity | 20%~90% RH (non-condensing) |
Operation Controls and Functions
Front Panel

| No. | Name | Function Description |
|---|---|---|
| 1 | Power Button | Short press to power on the device. Long press for 1 second to enter standby mode. |
| 2 | Power LED | Green ON: The device is powered on. Red ON: The device is in standby mode. |
| 3 | Input 1–2 LEDs | Single screen display mode: When the HDMI OUTPUT port outputs the signal from HD 1/2, the corresponding green LED will be on. Multiview mode: All input signal LEDs will light in green. |
| 4 | IR Window | IR signal receiving window. |
| 5 | INPUT Button | Input source switching button, available in single screen display mode only. |
| 6 | RES Button | Short press to display the current output resolution on OSD; short press again before OSD disappears to circularly switch the output resolution. Long press for 3 seconds to switch the output resolution to 720P@60Hz. |
| 7 | Multiview Button | Short press to circularly select display modes: SINGLE → PIP → PBP (1) → PBP (2). Long press for 3 seconds to select the aspect ratio for PBP (1) / PBP (2). |
Rear Panel

| No. | Name | Function Description |
|---|---|---|
| 1 | L/R Port | PCM 2.0 analog audio output port [RCA]. |
| 2 | OPTICAL Port | Optical fiber digital audio output port [S/PDIF]. |
| 3 | HDMI OUTPUT Port | HDMI signal output port, connecting to a display device such as TV or Monitor with an HDMI cable. |
| 4 | HD 1–2 INPUT Ports | HDMI signal input ports, connecting to HDMI source devices such as DVD or Set-top box with an HDMI cable. |
| 5 | RS-232 Port | 3-pin phoenix connector, connecting to a PC or control system for serial port upgrade or RS-232 command control. |
| 6 | IR EXT Port | IR signal receiving port, connecting with the 38kHz IR Receiver cable. If the IR signal receiving window is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted here to receive IR remote signals. |
| 7 | DC 12V | DC 12V/1A power input port. |
IR Pin Definition
IR Receiver pin’s definition is as below:

IR Remote

① Power: Power on the switcher or set it to standby mode.
② Baud: Pop up OSD menu to circularly select serial port baud rate: 115200, 57600, 38400, 19200, 9600.
③ Multiview Display Mode Buttons: Press to select display mode: SINGLE → PIP → PBP (1) → PBP (2).
④ WIN1: Available in all modes. Press HD1/HD2 to directly/circularly select input source for the WIN1 screen.
⑤ WIN2: Unavailable in single screen mode. In PIP/PBP mode, press HD1/HD2 to select input source for the WIN2 screen.
⑥ SET: In PIP mode, press POS to change sub-window position; press SIZE to zoom in/out sub-window. In PBP(1)/PBP(2) mode, press 16:9 to switch aspect ratio between 16:9 and FULL.
⑦ AUDIO: Press A-IN to switch between the two HDMI input audio sources. Press Mute to mute/unmute audio output. Press VOL–/VOL+ to adjust audio output volume.
⑧ Resolution: Press 4K, 1080P, 720P or XGA to select output resolution.
⑨ EDID: Press 4K2.0, 4K5.1, 2K2.0 or COPY to select EDID mode.
Multiview Display Modes
The switcher supports 4 display modes: SINGLE, PIP, PBP (1), PBP (2).
SINGLE: Input selection only.
PIP: Input selection, sub-window size and position selection.
PBP (1) / PBP (2): Input selection, display mode selection, display aspect selection.
Supported Output Resolutions
| 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 |
RS-232 / API Control
Connect the RS-232 port to a PC with an RS-232 to USB serial cable. Use a Serial Command tool to send ASCII commands.

Serial port protocol: Baud rate: 115200 (default); Data bits: 8; Stop bits: 1; Check bit: 0. Delimiter: !
| Command | Function | Example | Default |
|---|---|---|---|
| System Setting | |||
| help! | List all commands | help! | – |
| r fw version! | Get firmware version | r fw version! | – |
| r type! | Get device model | r type! | – |
| power z! | Power on/off the device (z=0: off, z=1: on) | power 1! | Power on |
| r power! | Get current power state | r power! | – |
| reboot! | Reboot the device | reboot! | – |
| reset! | Reset to factory defaults | reset! | – |
| Output Setting | |||
| s output res x! | Set output resolution (x=1~14; see resolution list above) | s output res 3! | 3840x2160p60 |
| r output res! | Get output resolution | r output res! | – |
| s output hdcp x! | Set output HDCP (x=1: HDCP 1.4, x=2: HDCP 2.2, x=3: HDCP OFF) | s output hdcp 2! | HDCP 1.4 |
| r output hdcp! | Get output HDCP status | r output hdcp! | – |
| s output itc x! | Set output video mode (x=1: video mode, x=2: PC mode) | s output itc 1! | video mode |
| s output vka x! | Set output video keep active pattern (x=1: black screen, x=2: blue screen) | s output vka 1! | black screen |
| Audio Setting | |||
| s output audio x! | Set output audio source (x=0: follow window 1, x=1~2: HDMI 1~2 input audio) | s output audio 0! | follow window 1 |
| r output audio! | Get output audio source | r output audio! | – |
| s output audio vol x! | Set output audio volume (x=0~100) | s output audio vol 30! | 100 |
| s output audio vol+! | Increase output audio volume | s output audio vol+! | – |
| s output audio vol-! | Decrease output audio volume | s output audio vol-! | – |
| s output audio mute x! | Set output audio mute (x=0: mute off, x=1: mute on) | s output audio mute 0! | off |
| r output audio mute! | Get output audio mute status | r output audio mute! | – |
| EDID Setting | |||
| s input EDID x! | Set HDMI input EDID mode (x=1~19; includes 4K60/4K30/1080P/various resolutions with 2.0/5.1/7.1 audio, copy from HDMI out, User1) | s input EDID 1! | 4K2K60_444, Stereo Audio 2.0 |
| r input EDID! | Get input EDID mode | r input EDID! | – |
| Single Screen Mode Setting | |||
| s in source x! | Route input source to output (x=1: HDMI 1, x=2: HDMI 2) | s in source 1! | HDMI 1 |
| r in source! | Get output selected input source | r in source! | – |
| s auto switch x! | Enable/disable auto switch (x=0: disable, x=1: enable) | s auto switch 0! | auto switch off |
| r auto switch! | Get auto switch status | r auto switch! | – |
| Multi-viewer Mode Setting | |||
| s multiview x! | Set multi-viewer display mode (x=1: single screen, x=2: PIP, x=3: PBP) | s multiview 1! | single screen |
| r multiview! | Get multi-viewer display mode | r multiview! | – |
| s window x in y! | Select input (y=1~2: HDMI 1~2) for display window (x=1~2) | s window 1 in 1! | – |
| r window x in! | Get window selected input source (x=0: all, x=1~2: window 1~2) | r window 1 in! | – |
| s window x border y! | Set window border mode (x=1~2: window; y=0: off, y=1: on) | s window 1 border 1! | off |
| s window x border color y! | Set border color for window x (y=1~9: BLACK, RED, GREEN, BLUE, YELLOW, MAGENTA, CYAN, WHITE, GRAY) | s window 1 border color 1! | YELLOW |
| s PIP size x! | Set PIP window size (x=1: small, x=2: middle, x=3: large, x=4: user) | s PIP size 3! | large |
| s PIP position x! | Set PIP window position (x=1: left top, x=2: left bottom, x=3: right top, x=4: right bottom, x=5: user) | s PIP position 3! | right top |
| s PIP Hstart Vstart Hsize Vsize! | Set PIP to user-defined position and size (values 1–100; Hstart+Hsize≤101, Vstart+Vsize≤101) | s PIP 10 10 20 20! | – |
| s PBP mode x! | Set PBP display mode (x=1: PBP mode 1, x=2: PBP mode 2) | s PBP mode 1! | PBP mode 1 |
| s PBP aspect x! | Set PBP aspect ratio (x=1: full screen, x=2: 16:9) | s PBP aspect 1! | full screen |
Controller Software
This product includes a PC-based Controller software (4K60 Multi-Viewer Controller). Connect the RS-232 port to a PC via USB-to-RS-232 serial cable, select COM Control Mode, choose the COM port and baud rate (default: 115200), then click Connect. The software provides three pages:
General Page: Select control mode, set COM port and baud rate, view device information and connection status.
Output Page: Select multiview display mode (SINGLE/PIP/PBP(1)/PBP(2)), adjust PIP size and position, select input sources per window, set output resolution, HDCP, audio source, and audio volume.
System Page: Select EDID mode, perform firmware upgrade, factory reset, or system reboot.
Application Example

| Dimensions | 10 x 8 x 5 cm |
| Weight | 500g |
| Material | Premium aluminum alloy |
| Color | Black, Silver, Gold |
| Warranty | 2 years manufacturer warranty |