AVMATRIX Shark H4 Plus 4-Channel HDMI Video Switcher User Manual

1. Introduction

The AVMATRIX Shark H4 Plus is a versatile 4-channel HDMI video switcher designed for live production, streaming, and recording. It features a built-in 10.1-inch FHD IPS LCD display for multi-view monitoring, RTMP/SRT streaming capabilities, and direct recording to USB disk or SD card. This manual provides detailed instructions for setting up, operating, and maintaining your Shark H4 Plus to ensure optimal performance.

Figure 1.1: AVMATRIX Shark H4 Plus Video Switcher

2. Safety Information

Please read and understand all safety instructions before using the device. Failure to follow these instructions may result in electric shock, fire, or damage to the equipment.

• Power Supply: Use only the provided 12V 2A power adapter. Ensure the power source matches the voltage requirements.
• Ventilation: Do not block ventilation openings. Ensure adequate airflow around the device to prevent overheating.
• Environment: Avoid exposing the device to water, moisture, high humidity, or extreme temperatures (-20℃ to 50℃ operating range).
• Cleaning: Disconnect power before cleaning. Use a dry, soft cloth. Do not use liquid or aerosol cleaners.
• Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.

3. Package Contents

Verify that all items are present in the package:

• AVMATRIX Shark H4 Plus Switcher x 1
• 12 V 2A Power Adapter x 1
• USB A-C Cable x 1
• Tally Connector x 1

4. Product Overview and Features

The Shark H4 Plus integrates a comprehensive set of features for professional video production.

4.1. 10.1-inch FHD IPS LCD Display

The built-in 10.1-inch FHD IPS screen provides clear monitoring of PVW (Preview), PGM (Program), audio levels, multi-view layouts, clock, and menu settings.

Figure 4.1: Integrated 10.1-inch FHD IPS Display

4.2. Connectivity and Outputs

The switcher offers flexible input and output options for various production needs.

• Video Inputs: 2 x HDMI, 2 x SDI
• Video Outputs: 2 x HDMI PGM, 1 x HDMI Multiview, 1 x LAN (RJ45 for Stream), 1 x USB Type-C (for Capture)
• Audio Inputs: 2 x MIC/Line (3.5 mm stereo audio)
• Audio Outputs: 1 x Earphone slot (3.5 mm stereo audio)
• Other Interfaces: 1 x USB-A & SD Card slot (for Record), 1 x USB-A (for Image import and upgrade), 1 x Tally (db-15 GPIO)

Figure 4.2: Rear Panel Connections

4.3. Streaming and Recording

The Shark H4 Plus supports direct RTMP/SRT streaming via LAN and recording to USB disk or SD card.

• Stream Protocols: HTTP, RTSP, RTMP, RTP, UDP (Multicast, Unicast), SRT
• Encoding Bitrate: Configurable from 2 to 32 Mbps (CBR/VBR support)
• Record Format: MP4, TS
• Record Segment: Adjustable from 1 to 120 minutes
• USB Capture: The USB Type-C output allows the switcher to function as a webcam for capturing video and audio to PC for streaming via software like OBS, vMix, ZOOM, Teams, Skype, and VLC.

Figure 4.3: USB Capture for Streaming

4.4. Professional Audio Mixer

An integrated audio mixer enhances production quality by combining two external MIC inputs and four embedded audio inputs. Features include AFV (Audio Follow Video) and audio delay (0-500 ms) for synchronization.

Figure 4.4: Professional Audio Mixer Interface

4.5. Media Management

The built-in media library supports 39 preset patterns, up to 16 imported images, and 16 captured images. Two color generators are also available. Images can be easily imported and managed via USB.

Figure 4.5: Media Management Interface

4.6. Keying and Transitions

The switcher offers various effects and keying options:

• Transitions: T-Bar, AUTO, CUT. Effects include WIPE (11x3 patterns), MIX, DIP, STILL (freeze), PATTERN, MUTE, FTB (Fade to Black).
• Upstream Key (USK): Luma key x1, Chroma key x1, IPI x2, POP.
• Downstream Key (DSK): DSK x1, Logo x1.

Figure 4.6: Feature Overview

5. Setup and Connections

Follow these steps to set up your AVMATRIX Shark H4 Plus:

1. Power Connection: Connect the 12V 2A power adapter to the 'DC 12V IN' port on the rear panel and plug it into a power outlet.
2. Video Inputs: Connect your HDMI and SDI video sources (cameras, computers, etc.) to the 'HDMI IN1/2' and 'SDI IN1/2' ports. The switcher supports multi-format auto signal detection up to 1080p 60.
3. Program Output: Connect your main display or recording device to the 'HDMI PGM OUT' ports.
4. Multiview Output: Connect an external monitor to the 'HDMI MULTIVIEW' port for a larger multi-view display.
5. USB Capture: For PC capture and streaming, connect the 'USB OUT' (Type-C) port to your computer using the provided USB A-C cable.
6. Network Connection: For RTMP/SRT streaming, connect an Ethernet cable from your router/network to the 'LAN' (RJ45) port.
7. Audio Inputs: Connect microphones or line-level audio sources to the 'MIC 1' and 'MIC 2' (3.5mm) ports.
8. Audio Monitoring: Connect headphones to the 'EARPHONE' (3.5mm) port for audio monitoring.
9. Storage: Insert a formatted USB disk or SD card (not included) into the respective slots for recording.
10. Tally: Connect a Tally light system to the 'TALLY' (db-15 GPIO) port if desired.

6. Operating Instructions

This section covers the basic operation of the Shark H4 Plus.

6.1. Power On/Off

Press the power button (location not specified in data, assume standard placement) to turn the unit on. Press and hold to turn off.

6.2. Input Selection and Switching

Use the input buttons on the control panel to select your desired video sources for Preview (PVW) and Program (PGM). The 10.1-inch display will show the multi-view layout.

6.3. Transitions

Utilize the T-Bar for manual transitions between PVW and PGM. The 'AUTO' button performs an automatic transition, and 'CUT' performs an instant cut. Explore various transition effects like WIPE, MIX, DIP, STILL, PATTERN, MUTE, and FTB via the menu.

6.4. Audio Mixing

Access the audio mixer interface on the display to adjust levels for each video input's embedded audio and the two external MIC/Line inputs. Configure AFV and audio delay as needed for synchronization.

6.5. Recording

Insert a formatted USB disk or SD card. Navigate to the recording settings in the menu to select file format (MP4/TS) and segment length. Press the record button to start and stop recording.

6.6. Streaming

Connect the LAN port to your network. Access the streaming settings in the menu to configure your desired protocol (RTMP/SRT) and stream destination. Adjust encoding bitrate as required. Initiate streaming from the control panel or menu.

6.7. Keying (USK/DSK)

Utilize the Upstream Key (USK) and Downstream Key (DSK) functions for advanced effects such as chroma keying (green screen), luma keying, and adding logos or graphics. Refer to the on-screen menu for detailed keying controls.

7. Maintenance and Care

• Cleaning: Regularly wipe the exterior of the switcher and the display screen with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the switcher in a cool, dry place, away from direct sunlight and extreme temperatures.
• Firmware Updates: Check the AVMATRIX official website periodically for firmware updates to ensure optimal performance and access to new features. Updates can typically be performed via the USB-A port.

8. Troubleshooting

If you encounter issues with your Shark H4 Plus, refer to the following common problems and solutions:

• No Power:
  • Ensure the power adapter is securely connected to the switcher and a working power outlet.
  • Verify the power outlet is active.
• No Video Input Signal:
  • Check that video sources are powered on and correctly connected to the HDMI/SDI input ports.
  • Verify the input resolution and frame rate are supported (up to 1080p 60).
  • Try a different cable or input port.
• No Audio:
  • Ensure microphones or audio sources are properly connected to the 3.5mm MIC/Line inputs.
  • Check audio levels in the on-screen audio mixer.
  • Verify that embedded audio is enabled for HDMI/SDI inputs if applicable.
• Recording Issues:
  • Ensure the USB disk or SD card is properly inserted and formatted (FAT32/exFAT/NTFS).
  • Check available storage space on the recording media.
  • Verify recording settings (format, segment length) are correctly configured.
• Streaming Problems:
  • Confirm the Ethernet cable is securely connected and your network is active.
  • Double-check streaming protocol settings (RTMP/SRT URL, stream key) for accuracy.
  • Ensure sufficient internet bandwidth for your chosen encoding bitrate.

9. Technical Specifications

10. Warranty and Support

AVMATRIX products are designed for reliability and performance. For warranty information and technical support, please refer to the official AVMATRIX website or contact your local distributor. You can also visit the AVMATRIX Store on Amazon for additional resources and contact options.