Blackmagic Design ATEM SDI Live Production Switcher (SWATEMMXEP) Instruction Manual
Brand: Blackmagic Design | Model: SWATEMMXEP
Introduction
The Blackmagic Design ATEM SDI Live Production Switcher is a compact and powerful tool designed for professional live video production. It integrates essential features for switching, audio mixing, and streaming, making it suitable for various applications from broadcast to online content creation. This manual provides detailed instructions for setting up, operating, and maintaining your ATEM SDI switcher.
Key features include:
- Superior Video Quality: 4 x 3G-SDI inputs supporting 10-bit HD for seamless switching and professional clarity.
- Reliable Connectivity: Robust Ethernet control for software updates and network integration.
- Easy Streaming Setup: USB Type-C 2.0 interface for instant webcam output, compatible with various platforms.
- Versatile Audio Mixing: 6-input mixer with selectable On/Off/Audio-Follow-Video, gain control, and Fairlight enhancements.
- Real-Time Processing: Built-in frame rate and format converters on all 4 SDI inputs for smooth, hardware-based real-time color space conversion.
Product Overview
The ATEM SDI switcher features an intuitive control panel and comprehensive connectivity options. Below are visual representations of the device and its various components.

Figure 1: Front view of the Blackmagic Design ATEM SDI Live Production Switcher, showing the control buttons for sources, audio, transitions, and effects.

Figure 2: Angled view of the ATEM SDI switcher, highlighting the compact design and button layout.

Figure 3: Rear panel of the ATEM SDI switcher, detailing the power input, Ethernet port, USB-C port, SDI outputs, SDI inputs, and microphone inputs.

Figure 4: Labeled diagram of the ATEM SDI switcher's front panel controls and rear panel connections, indicating functions such as Source Buttons, Transition Duration Presets, SDI Audio Controls, Power, Ethernet Port, USB-C, SDI Outputs, 4x SDI Inputs, and Audio Inputs.

Figure 5: Dimensions of the ATEM SDI switcher, showing its compact size for portability.
Setup
To begin using your ATEM SDI switcher, follow these steps for initial setup:
- Power Connection: Connect the provided 12V DC power adapter to the 'POWER' input on the rear panel (refer to Figure 3).
- Video Inputs: Connect your 3G-SDI cameras or other video sources to the 'SDI INPUTS' (1-4) on the rear panel. The switcher supports 10-bit HD video.
- Video Outputs: Connect your program monitors or recorders to the 'SDI OUTPUTS' on the rear panel. You can also use the USB Type-C 2.0 port for webcam output to a computer for streaming.
- Audio Inputs: Connect microphones to the 'MIC 1' and 'MIC 2' 3.5mm stereo mini-jack inputs.
- Network Connection: For software control and updates, connect an Ethernet cable from your network router or computer to the 'ETHERNET' port on the rear panel.
- Headphones: For audio monitoring, connect headphones to the 'PHONE' output.
Operating Instructions
The ATEM SDI switcher provides a tactile interface for live production control.
Video Switching
- Source Selection: Use the numbered buttons (1-4) in the 'PGM' (Program) row to directly switch your live output. The 'PVW' (Preview) row allows you to select the next source before taking it live.
- Transitions: Use the 'CUT' button for an instant cut between sources. The 'AUTO' button performs a programmed transition. Adjust transition duration using the 'DURATION' buttons (0.5, 1.0, 1.5, 2.0 seconds). Select transition effects like 'MIX' or 'DIP' using the 'EFFECT' buttons.
- Fade to Black (FTB): Press the 'FTB' button to fade the program output to black.
- Picture-in-Picture (PIP): Use the 'PICTURE IN PICTURE' controls to enable and adjust the size and position of an overlay video source.
Audio Mixing
- The built-in 6-input Fairlight audio mixer allows control over microphone inputs and embedded audio from SDI sources.
- Use the 'MIC 1' and 'MIC 2' controls to adjust gain and enable/disable microphones.
- The 'AFV' (Audio-Follow-Video) function automatically switches audio with video sources.
Streaming and Recording
- Live Streaming: Connect the USB-C port to a computer. The switcher will appear as a webcam, allowing you to stream directly using popular software like OBS, Zoom, or YouTube Live.
- Recording: The USB-C port also supports recording your program output to an external SSD.
Software Control
For advanced control and configuration, connect the switcher to a computer via Ethernet and use the ATEM Software Control application. This allows for deeper customization of settings, media management, and macro programming.
Maintenance
To ensure optimal performance and longevity of your Blackmagic Design ATEM SDI Live Production Switcher, regular maintenance is recommended:
- Cleaning: Use a soft, dry cloth to clean the exterior of the switcher. Avoid abrasive cleaners or solvents.
- Ventilation: Ensure that the ventilation openings are clear and unobstructed to prevent overheating.
- Firmware Updates: Periodically check the Blackmagic Design website for firmware updates. Install updates as recommended to benefit from new features and performance improvements.
- Cable Management: Keep all cables organized and securely connected to prevent accidental disconnections or damage.
Troubleshooting
If you encounter issues with your ATEM SDI switcher, try the following troubleshooting steps:
- No Video Output: Verify all video input and output cables are securely connected. Ensure input sources are active and output devices are correctly configured. Check the selected program source on the switcher.
- No Audio: Confirm microphones are connected and enabled in the audio mixer. Check audio levels and ensure embedded audio from SDI sources is active.
- Streaming Issues: Ensure the USB-C connection to your computer is stable. Verify your streaming software settings and internet connectivity.
- Switcher Not Responding: Disconnect and reconnect the power adapter. If the issue persists, perform a factory reset (refer to the full user manual for instructions).
- Software Control Issues: Ensure the Ethernet cable is connected and your computer's network settings are correct. Restart the ATEM Software Control application.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.68 x 9.35 x 1.38 inches |
| Item Weight | 2.2 pounds |
| Item Model Number | BM-SWATEMMXEPCEXTISO |
| Date First Available | July 25, 2022 |
| Manufacturer | Blackmagic Design |
| Color | Black |
| Connector Type | SDI |
| Compatible Devices | Desktop, Laptop |
| Cable Type | SDI |
Official Product Videos
Watch these official product videos from the manufacturer for additional guidance and demonstrations.
Video: OSEE GoStream Live Streaming 4 HDMI and SDI Introduction. This video provides an introduction to the OSEE GoStream, demonstrating its capabilities with 4 HDMI and SDI inputs for live streaming.
Warranty and Support
The Blackmagic Design ATEM SDI Live Production Switcher is covered by a manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please visit the official Blackmagic Design website or contact their customer service directly. Keep your proof of purchase for warranty claims.







