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Summary of Contents for AJA Io 4K Plus
- Page 1 Io 4K Plus Capture, Display, Convert Installation and Operation Manual Version 17.1 Published July 16, 2024...
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Page 2: Notices
AJA® and Because it matters.® are registered trademarks of AJA Video Systems, Inc. for use with most AJA products. AJA™ is a trademark of AJA Video Systems, Inc. for use with recorder, router, software and camera products. Because it matters.™ is a trademark of AJA Video Systems, Inc. -
Page 3: Table Of Contents
Io 4K Plus Audio ........6 AJA Software & Utilities ........6 System Requirements. - Page 4 3 Year Warranty and Liability Information....66 AJA Software License Agreement..... 67 Index.
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Page 5: Chapter 1 - Introduction
4K and UltraHD devices and High Frame Rate workflows. The power of Thunderbolt 3 enables Io 4K Plus to handle a wide range of formats from SD to HD, UltraHD and full 4K over both SDI and HDMI and support 4K frame rates up to 60p, plus HDR 10 and HLG support over HDMI for HDR workflows. -
Page 6: High Quality Down Conversion
CPU load. Io 4K Plus Audio Io 4K Plus provides up to 16 channels of SDI embedded audio, and up to eight channels of embedded HDMI audio. Eight channels of analog audio I/O is supported via a DB25 industry standard Tascam style audio breakout cable. The eight analog audio channels can be configured as either Ch 1-8 input, Ch 1-8 output, Ch1-4 input with Ch 5-8 output or, Ch 1-4 output with Ch 5-8 input. -
Page 7: System Requirements
Plugins for popular 3rd-party Professional Video Applications from Adobe, Avid, Apple, OBS, Telestream, and others. System Requirements NOTE: On macOS, the Io 4K Plus supports Apple silicon processors, as well as earlier Intel processors. AJA Video recommends that your system meet minimum hardware and software requirements to achieve a satisfactory level of performance. -
Page 8: In This Manual
Chapter 3 - Discusses operational aspects and how to work with 3rd-party software. Appendix A - Presents a list of technical specifications for the product. Appendix B - Provides important Safety and Compliance information. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... -
Page 9: Chapter 2 - Installation
4. Connect the video and audio inputs and outputs. 5. Power up the unit (AC supply or battery). The Io 4K Plus will startup automatically. 6. AJA recommends that you now run AJA Control Panel, as this allows you to verify that the installation has completed successfully. - Page 10 27). Supplying a reference signal to the Reference input allows you to synchronize Io 4K Plus outputs to your house analog reference video signal (or black burst). When connecting a reference video source, the locking signal should be the same as the input format. It is possible in some circumstances to use an alternate format video signal as long as the basic frame rate is compatible.
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Page 11: Bottom Plate
Before installing the software package, ensure that your capture/editing application is installed as detailed in its user documentation. Before using Io 4K Plus an NLE application, it is best practice to have installed and run the software at least once on your workstation. Next, install the AJA software package. -
Page 12: Chapter 3 - Io 4K Plus Operation
Analog). • During Playback - The sum of whatever sources are being played out via the AJA hardware; i.e. NLE timeline and mix of host system audio output (if applicable). The meter's LEDs are colored to indicate the amount below 0dBfs when averaged... -
Page 13: Power Led
Io 4K Plus from an external source to create video files on the computer using AJA Control Room or an NLE, or just for display on the Io 4K Plus outputs. This mode is also used for stand-alone video display or conversion when Control Panel is being used without an external controlling application. - Page 14 Figure 2. Io 4K Plus, Block Diagram set for UltraHD Format Framebu er Format (Primary) Currently Selected Function Controlling Screen Application Inputs Outputs Operating Parameter Mode Controls Some controlling applications can switch the card's mode from Playback to Capture, and vice-versa. When Control Panel is not being controlled by an external application, you can change the operating mode in the Control Panel Control Screen using the Default State settings.
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Page 15: Controlling Application
Controlling Application It is important to understand that the computer can contain many applications that can use the AJA device (as you switch from window to window) and it may not always be obvious which currently controls it. Io 4K Plus Capture, Display, Convert v17.1... -
Page 16: Presets
Device Format via its own menus and settings. For example, when the Third-party editing application is active (it’s the front-most application) and has Io 4K Plus as its “A/V Device”, the Io 4K Plus’s Device Format is determined by the application’s “Video Playback” settings. These format selections are reported in the AJA Control Panel block diagram. -
Page 17: Default Preferences
• Local Preference - A preference stored from the last AJA device's Control Panel settings to be used on next startup of AJA Control Panel. This occurs on next restoration of the default state (triggered by start up of host CPU, startup of the AJA device, or when a third-party application releases the AJA device). -
Page 18: Function Screens
NOTE: Clicking on the AJA Control Panel Erase All Prefs button does NOT delete an existing Global Preference file from this location. Function Screens Listed below are the function screens for Io 4K Plus and what they are used for. Table 1. Io 4K Plus Function Screens Screen... -
Page 19: Using Io 4K Plus For Ultrahd/4K
For example, 4K p30 at 8bit 4:2:0 requires 6G only. Besides single link transport, Io 4K Plus also supports the following multiple link transport modes for UltraHD and 4K: • Quadrant 4-wire (transported on four links) •... - Page 20 Above 30 fps, 3G bandwidth is required, so a 3G capable monitor is required.” NOTE: In some versions of AJA Control Panel, the 2SI method is referred to as ‘425’ which is a reference to the SMPTE 425 standard which defines this method.
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Page 21: Io 4K Plus Audio Monitoring
You can also listen to Io 4K Plus Input concurrently with your NLE. This is useful if you need to listen out for the readiness of talent, or the presence of some other feed, whilst you continue to work. - Page 22 Any level adjustments to Capture or Audio Punch In / Voice Over to Timeline recording operations will either need to be made upstream of the AJA input, or else via adjustments within the main NLE application (e.g. via a pass through mix tool).
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Page 23: Aja Control Panel Function Screens
Pattern dropdown list below, or a graphic file can be chosen. • Hold Last App - This selection directs Io 4K Plus to hold and output the last frame of video from the last application to control Io 4K Plus. This can be helpful when operating in an environment where you’re switching back and... - Page 24 Loaded graphic files are retained for redisplay if another test pattern is selected, and even if Io 4K Plus is power cycled. NOTE: A loaded graphics file will not be scaled to fit. If it’s smaller than the current frame buffer format,Io 4K Plus will center it in the frame.
- Page 25 • Horizontal: The Horizontal reference can be adjusted by selecting a number of pixels (clocks) to offset • Vertical: The vertical reference can be adjusted by specifying a number of lines to offset. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
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Page 26: Format Screen
Format Screen The Format Screen shows the video format currently in use by the Io 4K Plus framebuffer (called the Device Format) and allows you to change it. All throughout the Control Panel, choices are always presented based on what Io 4K Plus can do with the signals available and the inputs/outputs selected. -
Page 27: Input Select Screen
NOTE: The AJA Control Panel software uses the abbreviation “sf” instead of “PsF” when referring to “progressive segmented frame” formats. In the manual and in other literature you may see either of these acronyms used interchangeably. Visually, it is easier to recognize: •... - Page 28 • 11-12 to 1-2 • 13-14 to 1-2 • 15-16 to 1-2 NOTE: This setting does not affect the embedded audio being sent to the Io 4K Plus's BNC or HDMI output connectors. Io 4K Plus Capture, Display, Convert v17.1...
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Page 29: Sdi Output Screen
SDI 3 (the shape to be cut out from the video - this will appear as a black and white image/matte). Using the second Io 4K Plus output as an Alpha Channel key, with the video output, may be useful for feeding production switchers, DVEs or other professional video equipment. - Page 30 • 4x 4K-Quad - Quad Link, SQD. NOTE: The 4K Transport setting also affects the Io 4K Plus HDMI output signal, even if the SDI inputs are not being used. A 12G/6G 1-Wire or SMPTE 2Si setting is required for UltraHD/4K HDMI output.
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Page 31: Hdmi Screen
The HDMI input and output are configured with this screen. NOTE: The 4K Transport setting on the SDI Out screen also affects the Io 4K Plus HDMI output signal, even if the SDI inputs are not being used. A 12G/6G 1-Wire or SMPTE 2Si setting is required for UltraHD/4K HDMI output. - Page 32 • Checked - (default) HDMI audio channel 3 is moved to channel 4's location, and input channel 4 is moved to channel 3's location. • Unchecked - HDMI audio retains the original 3 and 4 channel locations. RGB Range Choose from: • SMPTE • Full Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
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Page 33: Hdr Screens
HDR Screens Figure 10. HDR Capture Screen Tab Figure 11. HDR Playback Screen Tab Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... - Page 34 Two tabbed screens are available. The HDR Capture tab settings affect the HDR metadata saved with your captured video, while the HDR Playback tab settings affect what HDR metadata is included on the Io 4K Plus's HDMI and SDI outputs. HDR Capture Settings Colorimetry •...
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Page 35: Video Setup Screen
Io 4K Plus's HDMI and SDI outputs. Video Setup Screen The Video Setup screen shows various other settings which will affect how video inputs and outputs behave, and how Io 4K Plus interacts with some software applications. Io 4K Plus Capture, Display, Convert v17.1... - Page 36 Same as SDI Input Quad Swap above, but is applied to the SDI outputs. VANC Checkbox When checked, the VANC checkbox tells the Io 4K Plus to capture and process any ancillary data in the SDI stream. This can include different types of metadata.
- Page 37 You can use Quad Swap settings to automatically switch Io 4K Plus 4K operation from 4-Link to 2-Link transport, without the need to repatch Io 4K Plus BNCs for each transport change. This can be useful if, for example, you want to connect Io 4K Plus's outputs to an SDI monitor that sometimes views 4-Link 4K/UltraHD inputs, and sometimes views 2-Link or Single-Link HD inputs.
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Page 38: Audio Setup Screen
/ stereo monitoring as a sum of the entire timeline. NOTE: This setting only applies to dual channel monitoring environments (for example, the headphone jack on the front of the Io 4K Plus). Select from: • Ch 1-2 through Ch 15-16 Analog Audio Monitor Level This selection determines the analog audio output level (“FSD”... -
Page 39: Audio Mixer Screens
Delay In and Out Here you can set up to 6 frames (in tenths of a frame) of delay for the AJA device’s audio input and output. The AJA Control Panel delays all audio outputs—SDI, HDMI, and Analog. This feature is useful in compensating for the processing delay of a video monitor when audio is being monitored directly from the Io 4K Plus (for example, when an audio mixer is connected to the DB25 analog audio inputs). - Page 40 During capture operations, the Capture tab is used for your monitoring experience. Controls in each tab are only in effect when Io 4K Plus is in the correct operating mode, as determined by the controlling application or the Control Panel application's Default State setting.
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Page 41: Audio Mixer Capture Monitor Mode Screen
Capture tab only. This way when you exit NLE Capture and return to regular editing, the Playback tab settings will be applied and your host system audio monitoring will resume. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... -
Page 42: Audio Mixer Playback Monitor Mode Screen
• HDMI - The embedded audio being received on the Io 4K Plus HDMI In connector. • SDI Ch 1-16 - The embedded audio being received on the Io 4K Plus SDI In connectors. Io 4K Plus Capture, Display, Convert v17.1... - Page 43 NLE file. Any actual recording level adjustments to Capture or Audio Punch In / Voice Over to Timeline operations will either need to be made upstream of the AJA input, or else via adjustments within the main NLE application (e.g. via a pass through mix tool).
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Page 44: Ds Keyer Screen
“bugs” or other video material with an alpha channel on top of video being played out or printed to tape. NOTE: The Io 4K Plus does not support Downstream Keying in UltraHD and 4K formats. A typical application would be putting a television station’s call letters or channel over program video content. - Page 45 Audio Out • Frame Buffer - Select audio out to be routed from the Frame Buffer. • Audio In - Select audio out to be routed from the Io 4K Plus’s selected input(s). Graphic File This pulldown allows you to choose from any recently accessed file or select a new file (“Load File...”), which then brings up a file dialogue.
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Page 46: Lut Screen
The LUT screen allows you to create a custom 10-bit color look up table (LUT) on the Io 4K Plus output, for matching a production "look" on a specific display. These custom LUTs can also be exported as .cube files for use with supported AJA devices and compatible professional applications. - Page 47 LUT file. You can create a custom LUT file using most text editors or spread sheets, provided the data is arranged according to the LUT File Format Specification that follows (see "LUT File Format Specification" on page 48). Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 48 Once the LUT file is created, you can upload it with the following steps: 1. Before loading a LUT, make sure you are using an RGB/RGBA frame buffer format, and that you have a AJA Video Device that supports LUTs. 2. Open AJA Control Panel and select the “LUT” pane.
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Page 49: Timecode Screen
Timecode Screen The Timecode screen is used to select the timecode stream read for applications that use it (for example, in AJA Control Room when the Timecode Source preference is set to “Control Panel Setting” that application will read the selected stream). -
Page 50: Presets Screen
For monitoring a variable framerate (VFR) timecode (such as Varicam), you may wish to check the User-bits box. If you set this checkbox, Io 4K Plus will detect and interpret the user-bits and display them next to the checkbox. You will see the original framerate (30 fps in the figure below) followed by the adjusted frame padding (two digits reporting discarded and retained frame padding). - Page 51 Default Use Preference file with the changed settings. NOTE: Clicking on the AJA Control Panel Erase All Prefs button does NOT delete an existing Global Preference file from that shared location. Io 4K Plus Capture, Display, Convert v17.1...
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Page 52: Firmware Screen
Note the Installation message shown below. Figure 16. Update Completed You will be required to power-cycle your Io 4K Plus and computer to finish the update. Io 4K Plus Capture, Display, Convert v17.1... -
Page 53: Info Screen
AJA Customer Service representative to determine if files are missing or need updating. The current firmware and SDK versions for the Io 4K Plus are shown in the fields specfied above. -
Page 54: Appendix A - Specifications
*Bit depth support is application dependent. Check with your software manufacturer for compatibility. Video Output Digital • 12G-SDI, SMPTE-2082, 12-bit*, 10-bit • 6G-SDI, SMPTE-2081, 10-bit • 3G-SDI, SMPTE 425 • RGB 4:4:4 12-bit*, YCbCr 4:2:2 10-bit Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... - Page 55 • +24 dBu full scale digital (0 dBFS) • +/- 0.2 dB 20 to 20 kHz frequency response • Output supported across Ch 1-8, Ch 1-4, or Ch 5-8 depending on configuration chosen Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 56 • Safe Operating Temperature Range: 0 to 40 C (32 to 104 F) • Safe Storage Temperature (Power OFF): -40 to 60 C (-40 to 140 F) • Operating Relative Humidity: 10-90% noncondensing • Operating Altitude: <3,000 meters (<10,000 feet) Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
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Page 57: Audio Connection Pinouts
Analog Audio Figure 17. DB-25 Analog Audio Connector Pinouts G - +G - +G - +G - +G - +G - +G - +G - + G = Ground +/- = Balanced Pair Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... -
Page 58: Appendix B - Safety And Compliance
AUSTRIA, BELGIUM, BULGARIA, CROATIA, CZECH REPUBLIC, DENMARK, ESTONIA, FINLAND, FRANCE, GERMANY, GREECE, HUNGARY, ICELAND, IRELAND, ITALY, LATVIA, LIECHTENSTEIN, LITHUANIA, LUXEMBOURG, MALTA, NETHERLANDS, NORWAY, POLAND, PORTUGAL, REPUBLIC OF CYPRUS, ROMANIA, SLOVAK REPUBLIC, SLOVENIA, SPAIN, SWEDEN, SWITZERLAND, UNITED KINGDOM Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... - Page 59 For more information about where you can drop off your waste for recycling, please contact your local authority, or where you purchased your product. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 60 This is to certify that the above mentioned product(s) complies with the requirements of certification rules of CQC12-045800-2022 under certificate number CQC2018010805038172. Translated Warning and Caution Messages The following caution statements, warning conventions, and warning messages apply to this product and manual. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 61 (incluindo amplificadores) que produzam calor. Avviso! Non installare vicino a fonti di calore come termosifoni, diffusori di aria calda, stufe o altri apparecchi (amplificatori compresi) che emettono calore. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 62 Advertência! Não abra o chassi. Não há internamente nenhuma peça que permita manutenção pelo usuário. Abrir o chassi anula a garantia, a menos que a abertura seja realizada por uma central de serviços da AJA ou por um local autorizado. Avvertenza! Non aprire lo chassis. All’interno non ci sono parti riparabili dall’utente.
- Page 63 è stato rovesciato del liquido è stato rovesciato o qualche oggetto è caduto nel dispositivo, il dispositivo è stato esposto a pioggia o umidità, non funziona correttamente o è caduto. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 64 CA tipo brick. Advertência! Remova os cabos CA de alimentação brick da rede elétrica ao mover a unidade. Avvertenza! Scollegare il cavo dell’alimentatore quando si sposta l’unità. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
- Page 65 Avviso! Proteggere il cavo di alimentazione in modo che nessuno ci cammini sopra e che non venga schiacciato soprattutto in corrispondenza delle spine e del punto in cui esce dal dispositivo. Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
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Page 66: Year Warranty And Liability Information
If the Customer brings a valid claim under this limited warranty for a hardware product or storage module (hereafter, a “product”) during the applicable warranty period, AJA Video will, at its sole option and as the Customer’s sole remedy for breach of the above warranty, provide one of the following remedies: •... -
Page 67: Aja Software License Agreement
1. License Grant. AJA hereby grants you a nonexclusive, personal, non-sublicenseable and limited license to install and use AJA Software on a computer or AJA device. The foregoing license also includes the right to make copies of the AJA Software in... - Page 68 REGARDING NON-INFRINGEMENT OF THIRD PARTY RIGHTS. SUBJECT ONLY TO THE LIMITED WARRANTY SET FORTH IN SECTION 7, YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT USE OF THE AJA SOFTWARE IS AT YOUR SOLE RISK. AJA DOES NOT WARRANT AGAINST INTERFERENCE WITH YOUR ENJOYMENT OF THE AJA SOFTWARE,...
- Page 69 No amendment to or modification of this Agreement will be binding unless in writing and signed by AJA. Any translation of this Agreement is intended for convenience and to meet local requirements and in the event of a dispute between the English and any non-English versions, the English version of this Agreement will govern.
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Page 70: Index
HDMI Input 10, 32 Pinouts Colorimetry 34 HDMI Output 10, 31 Analog Audio 57 Color Space 29, 32, 36 HDMI Screen 31 Pixel Format 26 Controlling Application 15 4K Mode 54 Playback Mode 13 Io 4K Plus Capture, Display, Convert v17.1 www.aja.com... - Page 71 Video Input 28 Source Gain 43 System Requirements 7 System Test 7 Test Pattern 23, 24 Threaded Mounting Holes 11 Thunderbolt 3 9 Timecode Screen 49 Timing Horiz 25 Vert 25 Transfer 34 Io 4K Plus Capture, Display, Convert v17.1 www.aja.com...
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