Kramer Electronics Ltd. Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront the video, audio, presentation, and broadcasting professional on a daily basis. In recent years, we...
European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at www.kramerav.com/il/quality/environment.
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SWT3–31–HU–TR is a standard extender that can be connected to any market–available HDBaseT–compliant extension product. For optimum extension reach and performance, use recommended Kramer cables. Easy Online Meeting System Integrated Connectivity – Built–in flexible auto–disconnection •...
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Easy and Elegant Installation – Flexible selectable PoE powering via LAN port or 2−way PoE • powering via HDBT port connections, and 1U half−rack fan–less enclosure for under table, dropped–ceiling mounting, or side–by–side mounting of 2 units in a 1U rack space with the recommended rack adapter, for easy switcher deployment. SWT3-31-HU-TR – Introduction...
Enterprise and education hybrid meeting rooms and classrooms. • • Hybrid user connection element in advanced hybrid meeting solutions. Controlling your SWT3-31-HU-TR Control your SWT3-31-HU-TR directly via the front panel push buttons, or: •...
Mode on page 34). Set to receiver mode by default. • This section defines SWT3-31-HU-TR. Figure 1: SWT3-31-HU-TR 3x1 4K60 USB-C/HDMI Switcher Extender Front Panel Feature Function USB-C IN 1 Port Connect to USB-C AV sources: • that support DisplayPort Alternate Mode, for example, a laptop) to share content.
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Lights blue Power is on and a source is connected. Lights green Power is on, and a source and an acceptor are connected. Figure 2: SWT3-31-HU-TR 3x1 4K60 USB-C/HDMI Switcher Extender Rear Panel Feature Function HDBT PoE RJ-45 Connect to the HDBT RJ-45 connector to a paired receiver (when set to OUT on...
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Kramer Electronics Ltd. Feature Function RESET Recessed Button For restoring factory default settings, press the RESET button and connect power to device (keep pressing longer than 6sec after power connection). SWT3-31-HU-TR – Defining SWT3-31-HU-TR 3x1 4K60 USB-C/HDMI Switcher Extender...
Kramer Electronics Ltd. Mounting SWT3-31-HU-TR This section provides instructions for mounting SWT3-31-HU-TR. Before installing, verify that the environment is within the recommended range: • Operation temperature – 0° to 40°C (32 to 104°F). • Storage temperature – -40° to +70°C (-40 to +158°F).
Connect the room keyboard to the USB 2 port on the rear panel. Connect a sound system (for example Kramer DSP-62-AEC) to the USB 3 port the rear panel. 6. On the EXT3-21-XR-TR side, connect USB DEVICE ports: Connect the smartboard to the USB 2 port on the rear panel.
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PTZ camera, connect the RS-232 3-pin terminal block connector to the PTZ camera. 12. Connect a room controller (for example, the Kramer SL-240C) via LAN to the LAN PoE Ethernet RJ-45 port Send from the room controller via LAN: •...
Figure 4: Connecting to a Balanced Stereo Audio Figure 5: Connecting to an Unbalanced Stereo Audio Acceptor Acceptor Connecting to SWT3-31-HU-TR via RS-232 You can connect to SWT3-31-HU-TR via an RS-232 connection using, for example, a PC. SWT3-31-HU-TR features an RS-232 3-pin terminal block connector allowing the RS-232 to control SWT3-31-HU-TR.
The room PC/NUC is auto-connected to all room USB devices, both the Tx-connected and Rx- • connected USB devices. Room-located participants use the Tx-connected room USB devices for collaborating and • sharing content via the room PC/NUC. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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When the laptop connects to Tx, the laptop is auto-connected to all room USB devices, both • the Tx-connected and Rx-connected USB devices. Room-located participants use the Tx-connected room USB devices for collaborating and • sharing content via the laptop. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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Single Device Operates as Either Tx or Rx Using the embedded webpage, the SWT3-31-HU-TR can be easily set to operate either as a transmitter (Tx) or receiver (Rx). On Tx mode, switched AV signal is output on HDBT port and mirrored on HDMI output too.
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USB local devices are always connected to active Host. Remote USB devices connections to local active Host is configurable. Active Host connects to all local and remote devices. Routing an Input to an Output on page 27. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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Online Meeting Systems Integration USB device ports can be set to auto-disconnect following presenter disconnection, to allow smooth integration and auto-activation of connected online meeting room systems. Auto-disconnecting a USB Device on Inactive Host on page 39. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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SWT3-31-HU-TR and its paired receiver built-in control gateways connections. The Kramer Control controller is connected to the switcher transmitter via LAN, sends IP commands to the switcher transmitter and paired receiver control gateways over the LAN connection, to send control messages to, and receive control responses from: The TV monitor connected to the switcher transmitter via the RS-232 and/or HDMI (CEC) •...
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53). SWT3-31-HU-TR Flexible Powering SWT3-31-HU-TR, when connected to the power supply, can supply power to the connected transmitter / receiver via HDBT and charge the USB-C-connected source. The SWT3-31-HU-TR, can also accept power from either LAN or HDBT.
IP address. After connecting SWT3-31-HU-TR to the Ethernet port, configure your PC as follows: 1. Click Start > Control Panel > Network and Sharing Center. 2. Click Change Adapter Settings. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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(TCP/IPv4) depending on the requirements of your IT system. 5. Click Properties. The Internet Protocol Properties window relevant to your IT system appears as shown in Figure 9 Figure Figure 9: Internet Protocol Version 4 Properties Window SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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You can connect the Ethernet port of SWT3-31-HU-TR to the Ethernet port on a network switch or router using a straight-through cable with RJ-45 connectors. Configuring Ethernet Port You can set the Ethernet parameters via the embedded Web pages. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
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When no DHCP server is detected, a fallback static IP address of 192.168.1.39, and 255.255.255.0 subnet mask (class C), is assigned until an IP address is acquired via the DHCP server. For more information, refer to Product Page Technical Note in www.kramerav.com/product/SWT3-31-HU-TR. SWT3-31-HU-TR – Operating and Controlling SWT3-31-HU-TR...
Kramer Electronics Ltd. Using Embedded Web Pages SWT3-31-HU-TR enables you to configure settings via Ethernet using built-in, user-friendly web pages. The Web pages are accessed using a Web browser and an Ethernet connection. SWT3-31-HU-TR You can also configure via Protocol 3000 commands (see...
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Kramer Electronics Ltd. 2. Enter the Username (default = Admin) and Password (default = Admin) and click Sign in. The default web page appears. Figure 13: AV Settings Page SWT3-31-HU-TR – Using Embedded Web Pages...
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34. • When SWT3-31-HU-TR is set to Rx mode, there are X4 inputs and outputs to select from. When SWT3-31-HU-TR is set to Tx mode, there are X3 inputs and outputs to select from. • SWT3-31-HU-TR web pages enable performing the following actions: Routing Operations on page 27.
Signals on page 28). A green light on a button indicates a connected source/acceptor. Click to activate USB following video coupled routing. Click to stop/play the video. An input is routed to the output. SWT3-31-HU-TR – Using Embedded Web Pages...
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1. Go to the Routing Settings page. 2. Next to Analog output volume (dB) click 3. Set the audio volume level: using the slider next to Analog output volume (dB, from -80 to 20), or SWT3-31-HU-TR – Using Embedded Web Pages...
Last Connected or Priority. Switching policy is set. To change input priorities: For Rx mode, HDBT should be IN 4. 1. Go to the Auto switching page. 2. Next to the Selection Mode drop-down box, select Priority. SWT3-31-HU-TR – Using Embedded Web Pages...
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AV properties related to CEC signals are not configurable. They are passing through: • Tx mode: Between active HDMI input and HDBT output. • Rx mode: Between active HDMI or HDBT input and HDMI output. SWT3-31-HU-TR – Using Embedded Web Pages...
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No input signal (active when Auto Sleep Delay is enabled) – Set the number of seconds (15 to • 60,000 seconds; default = 900 seconds) after there is no signal detected, until the display goes into sleep mode. Click SET TIMEOUT after defining this setting. Audio and video settings are configured. SWT3-31-HU-TR – Using Embedded Web Pages...
32. Settings Networking Properties on page 37. • • Setting Time and Date on page 41. Device Profile and Maintenance Changing Device Name SWT3-31-HU-TR enables you to change the DNS name of the device. SWT3-31-HU-TR – Using Embedded Web Pages...
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To change the device name: 1. Go to the Device > General page. Figure 22: Device > General Page 2. Under General Preferences, change the device name and click SAVE. The device name is changed. SWT3-31-HU-TR – Using Embedded Web Pages...
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1. Go to the Device>General tab. 2. Select either Rx or Tx. Figure 23: Device Tab: Switching Rx / Tx Operation Mode 3. Click Save. A device Reset message appears. Figure 24: Device Reset Warning Message SWT3-31-HU-TR – Using Embedded Web Pages...
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Click FACTORY RESET on the Device > General page (Figure 22). Using protocol 3000 commands, send FACTORY command then RESET commands. On the rear panel, press and hold the RESET button while connecting the power for several seconds. SWT3-31-HU-TR – Using Embedded Web Pages...
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Identifying Your Device To identify the device: 1. Go to the Device > General page (Figure 22). 2. Under Global System Settings, click FLAG ME. NET LED flashes. FLAG ME indication turns off after 60 seconds. SWT3-31-HU-TR – Using Embedded Web Pages...
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If required, Set to DHCP (default) or static IP address resolution modes. 4. When in Static IP mode, perform the following actions: Change the IP address. Change the Mask address. Change the Gateway address. Network settings are defined. SWT3-31-HU-TR – Using Embedded Web Pages...
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USB-C 3.0 - High USB 10Gbps data rate and lower 4K60 4:2:0 AV resolution mix. USB-C 2.0 - High 4K60 4:4:4 AV resolution and lower USB 480Mbps data rate mix. 4. Click SAVE. USB-C host signals mix is set. SWT3-31-HU-TR – Using Embedded Web Pages...
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2. Select the USB tab. Figure 29: USB Page – USB-C Disabled/Enabled via USB-C 3. Next to Ethernet via USB-C, click: Enabled to enable ethernet connection via USB-C 3. Click SAVE. Ethernet via USB-C is enabled. SWT3-31-HU-TR – Using Embedded Web Pages...
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3. For each USB Device Port, set the auto disconnection status to On or Off. You can also Select All Off or All On to set all device ports to off or on, respectively. 4. Click SAVE. USB devices are set. SWT3-31-HU-TR – Using Embedded Web Pages...
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6. If enabled, type in server information: Enter the time server address. Set sync frequency (every 0 to 23 days). 7. Click SAVE for any change. The devices date and time are synchronized to the server address entered. SWT3-31-HU-TR – Using Embedded Web Pages...
Device management and control – Device service and control using P3000 commands. • SWT3-31-HU-TR enables configuring the RS-232 port in one of the following ways: Extending the RS-232 via the SWT3-31-HU-TR on page 42. • Controlling the SWT3-31-HU-TR on page 44.
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RS-232 extender, with end-to-end extension between RS-232 panel port and HDBT RS-232 channel. In extension mode, no configuration of port properties and functions are available (Figure 33). SWT3-31-HU-TR – Using Embedded Web Pages...
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To set the RS-232 port to control the device: 1. Go to the Control Gateway page. The Serial Ports tab appears. Figure 34: RS-232 Device Control 2. Next to Function, select Control. 3. Click SAVE. RS-232 port controls the SWT3-31-HU-TR. SWT3-31-HU-TR – Using Embedded Web Pages...
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2. Next to Function, select Gateway. Figure 35: RS-232 as Gateway 3. Define the external device RS-232 settings (Parity, Data Bits, Baud Rate and Stop Bits). 4. Click SAVE. The TUNNELING ADVANCED PROPERTIES screen appears. SWT3-31-HU-TR – Using Embedded Web Pages...
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7. Click up/down arrows to select desired seconds for TCP Keep alive. 8. Press to toggle ON Send replies to new clients by default Bits. 9. Click CLOSE. 10. Click SAVE. RS-232 port controls an external device. SWT3-31-HU-TR – Using Embedded Web Pages...
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Kramer Electronics Ltd. Controlling SWT3-31-HU-TR Connected Display Control the display (an external device), connected to SWT3-31-HU-TR, either remotely via HDBT output (on Tx mode) or locally via HDMI output (on Rx mode). SWT3-31-HU-TR sends serial, CEC or IR commands, defined by the user in the Action...
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Analog Input (see Configuring an Analog Input I/O Type on page 51). The settings available on the page change depending on which trigger type is selected. 5. Click SAVE after setting the selected I/O type. SWT3-31-HU-TR – Using Embedded Web Pages...
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To configure a digital output I/O type: 1. On the GPIO page, select Digital Output next to I/O type. A warning message appears. Figure 39: Digital Output Warning 2. Make sure to follow the instructions in this warning. SWT3-31-HU-TR – Using Embedded Web Pages...
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When the pull-up resistor is disabled, the port state is low. For the state to be high, select High for the Current Status. Make sure that the current in this configuration does not exceed 100mA. 5. Click SAVE. Digital Output I/O type is configured. SWT3-31-HU-TR – Using Embedded Web Pages...
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This value is the number of steps that the analog input signal is divided into. To calculate the voltage of each step, use the following formula: Voltage of one step = 30V / number of steps. 3. Click SAVE. Analog input I/O type is configured. SWT3-31-HU-TR – Using Embedded Web Pages...
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The command to power on a TV can vary depending on the specific TV model and manufacturer. However, above is a common example of a standard command to power on a TV. For RS232 - PON SWT3-31-HU-TR – Using Embedded Web Pages...
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Button default operation mode is latching. For momentary mode, check the Momentary checkbox. Figure 43: I/O ports settings tab – Configuring Remote Buttons 5. Click SAVE. A control actions remote button can now be remotely operated. SWT3-31-HU-TR – Using Embedded Web Pages...
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Figure 44: CEC Gateway Enable/Disable Tab CEC gateway is disabled. You can view the logical addresses of CEC-enabled devices that are connected via HDMI output port to SWT3-31-HU-TR and click Refresh to refresh the list. SWT3-31-HU-TR – Using Embedded Web Pages...
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Figure 45: Action Editor Tab 3. Define the State On and State Off commands. 4. Check Momentary for the button to send a command on the press of a button. 5. Click SAVE. DISPLAY ON button is configured. SWT3-31-HU-TR – Using Embedded Web Pages...
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1. In the navigation pane, select Control Gateway. 2. Select the IR tab. The IR tab opens (see Figure 46). 3. Select Tx and Rx IR routing cross-points by clicking on their IR icons. Selected IR routing indication appears. SWT3-31-HU-TR – Using Embedded Web Pages...
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4. If needed, select modulation method by pressing M on Rx IR 1 cell (see (Figure 47). 5. Click SAVE. IR signals routing is set. Figure 46: IR Tab Signals Routing Figure 47: IR Modulation Method Setting SWT3-31-HU-TR – Using Embedded Web Pages...
To view the device status: 1. In the navigation pane, select Status. 2. Select the Devices tab. The Devices Status appears. Figure 48: Device Status Page 3. View device status. Device status can be viewed. SWT3-31-HU-TR – Using Embedded Web Pages...
1. Go to the Security page (Figure 49). 2. Select the Security tab. The Security settings appears. Figure 49: Security – Security Tab 3. Set SECURITY STATUS to Off. The Security Status window appears. Figure 50: Security Status Message SWT3-31-HU-TR – Using Embedded Web Pages...
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3. Enter the Current Password and click Change. The new password settings appear. Figure 51: Device Settings – Changing the Password 4. Enter the new password and confirmation password and click SAVE. The password is changed. SWT3-31-HU-TR – Using Embedded Web Pages...
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EAP-MSCHAP V2 – Enter: Username - up to 24 alphanumeric characters, including “_” and “-“ characters within the username, and Password - up to 24 ASCII characters Figure 53: EAP-MSCHAP V2 Authentication Method SWT3-31-HU-TR – Using Embedded Web Pages...
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File format must be pem. Enter the private key password (assigned by IT administrator), Set Server Certificate On Figure 54: EAP-TLS – Certificates and Password 5. Click APPLY. 802.1x authentication security is configured. SWT3-31-HU-TR – Using Embedded Web Pages...
Kramer Electronics Ltd. Viewing the About Page View the firmware version and Kramer Electronics Ltd details in the About page. Figure 55: About Page SWT3-31-HU-TR – Using Embedded Web Pages...
The latest version of K-UPLOAD and installation instructions can be downloaded from our website at: www.kramerav.com/support/product_downloads.asp. Note that in order to use the micro USB port, you need to install the Kramer USB driver, available at: www.kramerav.com/support/product_downloads.asp. SWT3-31-HU-TR – Upgrading Firmware...
1 IR On a 3.5mm mini jack for IR extension 2 GPIO On a 2–pin terminal block Extension Line Reach Up to 100m (330ft), using Kramer HDBaseT cables Standards Compliance HDBaseT 3.0 USB Features USB 3.1 Data Rate Up to 10Gbps...
Full Factory Reset “#FACTORY” command. "FACTORY OK” After receiving perform one of the following to restart the device and complete the procedure • Power cycle "#RESET" • Send command Embedded webpages Go to: Device>General and click FACTORY RESET SWT3-31-HU-TR – Technical Specifications...
Kramer Electronics Ltd. Protocol 3000 Kramer devices can be operated using Kramer Protocol 3000 commands sent via serial or Ethernet ports. Understanding Protocol 3000 Protocol 3000 commands are a sequence of ASCII letters, structured according to the following. Command format: •...
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– Safe mode (optional parameter) 0 – device accepts the EDID as is without trying to adjust (default value if no parameter is sent) 1 – device tries to adjust the EDID SWT3-31-HU-TR – Protocol 3000...
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#EDID-DCin_index,deep_color_state<CR> specific input: EDID for input 1. leaving it as in the 1 – Input 1 #EDID-DC1,1<CR> FEEDBACK original EDID. 2 – Input 2 ~nn@EDID-DCin_index,deep_color_state<CR><LF> deep_color_state – 0 – Don’t change 1 – Remove deep color SWT3-31-HU-TR – Protocol 3000...
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HDCP supported – 1 – HDCP On HDCP ON [default]. 2 – Follow Input HDCP not supported - 3 – HDCP defined according to the HDCP OFF. connected output HDCP support changes following detected sink - MIRROR OUTPUT. SWT3-31-HU-TR – Protocol 3000...
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FEEDBACK 0 – no modulation ~nn@IR-MOD<CR><LF> 1 – 38K Port IR-MOD? Get the IR modulation COMMAND – port number Get the IR modulation: #IR-MODport<CR> #IR-MOD?1<CR> Modulation – FEEDBACK 0 – no modulation ~nn@IR-MOD<CR><LF> 1 – 38K SWT3-31-HU-TR – Protocol 3000...
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– Number that indicates the Lock the last read EDID #LOCK-EDIDin_index,lock_mode<CR> from input 2: specific input: #LOCK-EDID2,1<CR> 1 – USB-C IN FEEDBACK 2 – HDMI IN ~nn@LOCK-EDIDin_index,lock_mode<CR><LF> lock_mode – On/Off 0 – Off unlocks EDID 1 – On locks EDID SWT3-31-HU-TR – Protocol 3000...
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Logs out from End ~nn@LOGOUTok<CR><LF> User or Administrator permission levels to Not Secure. model_name MODEL? Get device model. COMMAND – String of up to 19 Get the device model: #MODEL?<CR> #MODEL?<CR> printable ASCII chars FEEDBACK ~nn@MODELmodel_name<CR><LF> SWT3-31-HU-TR – Protocol 3000...
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0, which is ip or net-config command. the Ethernet control port. 1 – Try to use DHCP. If unavailable, use the IP set by the factory or using the net-ip or net- config command. SWT3-31-HU-TR – Protocol 3000...
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0 – Input ACTION?0,3,1,0<CR> 1 – Output FEEDBACK Programs matrix type – External programmable button ~nn@PRG-ACTIONcommandNum,type,name,command<CR><LF> action as a response for external event name – Bitmap representing (programmable button command – External programmable pressed). button ID SWT3-31-HU-TR – Protocol 3000...
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Set the priority to first HDMI #PRIORITYlayer_type,priority_1,priority_2,priority_3 2, USB-C 1 second and 1 – Video <CR> priority HDMI 3 third: – Priority of inputs (1-2) #PRIORITY1,2,1,3<CR> 1 – USB-C 1 FEEDBACK 2 – HDMI 2 ~nn@PRIORITYlayer_type,priority_1,priority_2,priorit 3 – HDMI 3 y_3<CR><LF> SWT3-31-HU-TR – Protocol 3000...
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– Format: hh:mm:ss where ~nn@TIMEday_of_week,date,data<CR><LF> digits. 2020,14:30:00<CR> hh = hours mm = minutes The device does not ss = seconds validate the day of week from the date. Time format - 24 hours. Date format - Day, Month, Year. SWT3-31-HU-TR – Protocol 3000...
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0 – disable meaning that if the extra parameters do 1 – enable not exist, FW goes to. (optional - this exists only when serial_type is 485) RS-232. Stop_bits 1.5 is only relevant for 5 data_bits. SWT3-31-HU-TR – Protocol 3000...
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Get video on output status: status. #VMUTE?out_index<CR> #VMUTE?1<CR> the specific output – 1 flag – Video Mute FEEDBACK Video mute 0 – Video enabled ~nn@VMUTEout_index,flag<CR><LF> parameter 2 (blank 1 – Video disabled picture) is not 2 – Blank picture supported. SWT3-31-HU-TR – Protocol 3000...
(Reserved) ERR_RESERVED_8 (Reserved) ERR_RESERVED_9 (Reserved) ERR_RESERVED_10 (Reserved) ERR_RESERVED_11 (Reserved) ERR_RESERVED_12 (Reserved) ERR_EDID_CORRUPTED EDID corrupted ERR_NON_LISTED Device specific errors ERR_SAME_CRC File has the same CRC – not changed ERR_WRONG_MODE Wrong operation mode ERR_NOT_CONFIGURED Device/chip was not initialized SWT3-31-HU-TR – Protocol 3000...
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This limited warranty gives you specific legal rights, and you may have other rights which vary from country to country or state to state. This limited warranty is void if (i) the label bearing the serial number of this product has been removed or defaced, (ii) the product is not distributed by Kramer Electronics or (iii) this product is not purchased from an authorized Kramer Electronics reseller.
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SAFETY WARNING Disconnect the unit from the power supply before opening and servicing For the latest information on our products and a list of Kramer distributors, visit our website where updates to this user manual may be found. We welcome your questions, comments, and feedback.
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