SAFETY WARNINGS AND GUIDELINES Please read this entire manual before using this device, paying extra attention to these safety warnings and guidelines. Please keep this manual in a safe place for future reference. • This device is intended for indoor use only. •...
• Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or detergents. For stubborn deposits, moisten the cloth with warm water. • This device has no user serviceable parts. Do not attempt to open, service, or modify this device.
If you have any problem with your order, please give us an opportunity to make it right. You can contact a Monoprice Customer Service representative through the Live Chat link on our website www.monoprice.com or via email at support@monoprice.com.
PRODUCT OVERVIEW Front Panel 1. POWER LED: The LED illuminates red when the switch is powered on and it illuminates green when the switch is in standby mode. 2. VIDEO SOURCE: A. Press one of the buttons 1~4 to select a video input. The LED next to the button illuminates green.
Rear Panel 1. VIDEO INPUTS: Three HDMI® and one DisplayPort® video inputs. The HDMI 1 input supports the Mobile High-Definition Link (MHL®) format for displaying video from a connected mobile device. 2. HDMI OUT: HDMI connector for connecting the HDMI display. 3.
IR Remote Control 1. STANDBY: Press the button to turn the unit on or to put it into standby mode. 2. INPUTS: Press one of the numbered buttons to directly select the corresponding input. Press the Manual/Auto button to toggle automatic switching mode on or off.
AUTOMATIC SWITCHING MODE When Automatic Switching Mode is enabled, the switch will change inputs according to the following rules: • The switch will select the first available active input starting from input 1. • The switch will change to the new input when a new input is detected. •...
WEB GUI CONTROL The switch features a built-in Web GUI and the ability to be controlled from a computer connected to the network. To use the Web GUI, you must first connect the switch to an existing Ethernet network using a Cat5e or Cat6 Ethernet cable (not included). The default IP settings of the switch are as follows: IP Address: 192.168.0.178...
Display Control Note that Display Control requires that the connected display is compatible with the HDMI® CEC feature. • Click the On button to turn the connected display on. • Click the Off button to turn the connected display off. •...
Audio Tab • Click one of the radio buttons on the Digital Audio row to enable or disable the digital optical S/PDIF audio output. • Click one of the radio buttons on the Analog Audio row to enable or disable the balanced stereo analog audio output.
EDID Tab Note: Before you can set the EDID® using the controls on this tab, the EDID DIP switch on the rear panel must be set to the 1111 position. • Click the radio button next to the Pass Through label to allow the source devices to obtain the EDID®...
RS232 Tab • Click the HEX radio button to specify that your RS-232 command will be in hex format or click the ASCII radio button to specify that your RS-232 command will be in ASCII format. • Use the pull-down list box next to the Baud Rate label to select the speed at which your RS-232 command is sent.
Interface Tab • Type a new name into the Title Bar Label field, then click the Confirm button to save the change. The title is displayed at the bottom of each page in the Web GUI. • You can type new names for each button into the Button Label fields, then click the Confirm button to save the changes.
Access Tab • Type a new password into the Password field, then click the Confirm button to save the change. The new password will be required the next time you login to the Web GUI interface. • Click the Front Panel Lock slider to lock or unlock the front panel buttons.
Network Tab • The MAC Address entry shows the MAC address of the switch. • Click the slider under the MAC Address entry to change between using the Dynamic Host Configuration Profile (DHCP) to automatically determine your IP address or the Static IP address shown on this page.
Monoprice.com website. Perform the following steps to download and apply the upgrade. 1. Open a web browser and type monoprice.com on the address bar, then hit enter. 2. On the Monoprice website, type 39671 into the search bar and hit enter.
RS-232 CONTROL The switch can be controlled using RS-232 commands issued from RS-232 control software. Before you can issue RS-232 commands, you must plug one end of the included RS-232 Cable into the RS232 terminal block on the switch rear panel, then plug the other end into an available serial port on your computer.
RS-232 COMMANDS This section details all available RS-232 commands. These commands can be entered using RS-232 control software or on the RS232 tab in the Web GUI. Notes: • In the following commands, the [ and ] characters are used to make it easier to read the command.
Command Description Feedback Example Rests the switch settings to the RST. Factory Default! factory defaults. Source Switching Command Description Feedback Example Switch to input source [x]. Example: HDMI4. x=1~4. HDMI[x]. Feedback: Note that input 4 is actually the HDMI Out Switch to 04! DisplayPort®...
User-define EDID There are four EDID® values that can be customized by sending the following command. Note that to use the User-defined EDID, the 4-pin EDID DIP switch muse be in the 1111 position. Command Function and Operation Sets the user-defined EDID to [xxxx]. xxxx=1011, 1100, 1101, or 1110.
Display Control Command Description Feedback Example TVON. Turns on the connected display. CEC_TV_POWON! TVOFF. Turns off the connected display. CEC_TV_POWOFF! Increase the volume level on the TVVOL+. CEC_TV_VOLUP! connected display. Decrease the volume level on TVVOL-. CEC_TV_VOLDOWN! the connected display. CEC_TV_VOLMUTE! Toggles audio muting on the TVMUTE.
Button Command Setting Command Description Feedback Example When the switch is powered on, sets the command xxx to send to the third-party device at y baud rate. When the DISPLAY ON button is pressed, sends the command xxx to the third-party device at y baud rate.
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Command Description Feedback Example When the switch is powered off, sets the command xxx to send to the third-party device at y baud rate. When the DISPLAY OFF button is pressed, sends the command xxx to the third-party device at y baud rate.
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Command Description Feedback Example When the VOLUME DOWN button is pressed, sends the command xxx to the third-party device at y baud rate. y=1: 2400 baud y=2: 4800 baud Example: y=3: 9600 baud CMDVOLDOWN CMDVOLDOWN y=4: 19200 baud /+3/1:111. /+[y]/[z]:xxx. y=5: 38400 baud Note that the above y=6: 57600 baud...
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Command Description Feedback Example When the VOLUME UP button is pressed, sends the command xxx to the third-party device at y baud rate. y=1: 2400 baud y=2: 4800 baud Example: y=3: 9600 baud CMDVOLUP CMDVOLUP y=4: 19200 baud /+3/1:111. /+[y]/[z]:xxx. y=5: 38400 baud Note that the above y=6: 57600 baud...
Command Description Feedback Example When the VOLUME MUTE button is pressed, sends the command xxx to the third-party device at y baud rate. y=1: 2400 baud y=2: 4800 baud Example: y=3: 9600 baud CMDVOLMUTE CMDVOLMUTE y=4: 19200 baud /+3/1:111. /+[y]/[z]:xxx. y=5: 38400 baud Note that the above y=6: 57600 baud...
A6: Ensure that the front panel buttons are not locked. TECHNICAL SUPPORT Monoprice is pleased to provide free, live, online technical support to assist you with any questions you may have about installation, setup, troubleshooting, or product recommendations. If you ever need assistance with your new product, please come online to talk to one of our friendly and knowledgeable Tech Support Associates.
SPECIFICATIONS Model 39671 Video Inputs 1x HDMI/MHL, 2x HDMI, 1x DisplayPort Video Outputs 1x HDMI Maximum HDMI® Video Resolution 4K@60Hz with YCbCr 4:4:4 8-bit Maximum DisplayPort® Video Resolution 4K@60Hz with YCbCr 4:4:4 8-bit Maximum MHL® Video Resolution 1080p@60Hz HDMI Version HDCP™...
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< 0.05% (-80dB), 20Hz ~ 20kHz bandwidth, THD+N 1kHz sine at 0dBFS level (or max level) Signal-to-Noise Ratio > 80dB, 20Hz ~ 20kHz bandwidth > 70dB, 10kHz sine at 0dBFS level (or max Crosstalk Isolation level before clipping) < 0.3dB, 1kHz sine at 0dBFS level (or max L/R Level Deviation level before clipping) 1kΩ...
Modifying the equipment without Monoprice's authorization may result in the equipment no longer complying with FCC requirements for Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.
This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Blackbird™ is a trademark of Monoprice Inc. HDMI®, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.