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CHRONOS 4K12 USER MANUAL
Software Version 1.6.0
Rev. A
© 2024, Kron Technologies

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Sabine Henke
July 24, 2025

What is the CPV Code

Summary of Contents for Kron Technologies CHRONOS 4K12

  • Page 1 CHRONOS 4K12 USER MANUAL Software Version 1.6.0 Rev. A © 2024, Kron Technologies...
  • Page 2: Preface

    This guide will help you operate, troubleshoot, and get the most out of your camera and its accessories. We also advise you to read the separate document, Terms of Sale and Warranty (see website). If you have any questions about either document, please contact info@krontech.ca. Find us at: krontech.ca Chronos 4K12: User Manual Preface...
  • Page 3: Supporting Contacts

    User Forum The User Forum is a great way to share questions with other Chronos users, as well as get support directly from Kron Technologies staff. Use the search function on the forum to find answers to your questions. User Forum: https://forum.krontech.ca/...
  • Page 4: Table Of Contents

    4.3 Setting Record Length ........27 Find us at: krontech.ca Chronos 4K12: User Manual...
  • Page 5 9.5 Factory Screen ..........44 Find us at: krontech.ca Chronos 4K12: User Manual...
  • Page 6 10.3 Back Focus Adjustment ........45 11. Installing Software Updates 12. Troubleshooting Appendix A. Mechanical Drawing Appendix B. Spectra Sensitivity Appendix C. Adapter Bracket Locations Find us at: krontech.ca Chronos 4K12: User Manual...
  • Page 7: Unboxing & First Look

    Unpack the camera and accessories, and check that all ordered accessories are included. If anything is missing or damaged, please notify us immediately at support@krontech.ca. What’s included? The following items are included as standard with the Chronos 4K12 Camera: # ITEM DESCRIPTION Chronos 4K12 High-Speed Camera CN4K12-1.0...
  • Page 8 If you have ordered lenses and other accessories, please check your package contents against the invoice to make sure that your order is complete. Find us at: krontech.ca Chronos 4K12: User Manual Unboxing...
  • Page 9: First Look

    To prevent unintended shutdowns, the power button must be held for several seconds to request a shutdown. NOTE: Allow the camera to finish shutting down before disconnecting the power supply. Find us at: krontech.ca Chronos 4K12: User Manual First Look...
  • Page 10 The included Adapter Brackets Kit (KT0298-1) may be used to adapt pairs of M4 mount points with alternative mounting options, such as 1/4 20 or 3/8. Find us at: krontech.ca Chronos 4K12: User Manual First Look...
  • Page 11 • Push wheel in (towards camera) to toggle between fine and broad sweeping while rotating • Push wheel in (towards camera) without rotating it to “click” on a UI component in focus Find us at: krontech.ca Chronos 4K12: User Manual First Look...
  • Page 12 This is only likely to occur when the exceeding ambient air temperature is 40°C / 104°F or above. 1.9 Environmental Hazards: The camera is not intended for use in severe environmental conditions, such as high-moisture and high-shock applications. Find us at: krontech.ca Chronos 4K12: User Manual First Look...
  • Page 13: Setup

    After the LED stops flashing, press and release the power button to start the camera. Allow about a minute for the camera to boot and initialize itself. When the process is complete, you will be greeted by the screen shown in Figure 2.2. Find us at: krontech.ca Chronos 4K12: User Manual Setup...
  • Page 14: Main Screen Functions

    (C) Current Resolution & Frame Rate: Tap to quickly enter the Record Settings screen. (D) Current White Balance Setting (Color Cameras Only): Tap to adjust color temperature or sample a live reference. Find us at: krontech.ca Chronos 4K12: User Manual Setup...
  • Page 15: Powering Down The Camera

    To turn off the camera, hold the power button for 4 seconds. This is to prevent unintended shutdowns during operation. NOTE: Always ensure the power button LED indicator has turned off prior to removing the power supply / plug. Find us at: krontech.ca Chronos 4K12: User Manual Setup...
  • Page 16: Getting Ready

    Therefore, it is important that the subject of the high-speed recording is illuminated by flicker- free lighting. The amount of light required for a high-speed capture will depend heavily on the desired frame rate and shutter duration, as well as the type of lens used. Kron Technologies recommends consulting with our support team at support@krontech.ca...
  • Page 17: Setting Resolution & Frame Rate

    The desired resolution and frame rate may be selected from the Record Settings screen. Use the Common Presets Dropdown to select a resolution and the corresponding maximum frame rate. Swipe upwards to scroll down the list of available options. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 18 Figure 3.5. — Image Sensor Diagram The frame rate or frame time (1 / frame rate) can also be entered manually by selecting either the FPS or µs numeric entry boxes. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 19: Setting Iso Sensitivity

    • Increasing the ISO Sensitivity allows for the aperture of the lens to be reduced to increase the depth-of-field (the area of the image that is in focus) while maintaining the same brightness in the scene. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 20: Setting Exposure / Shutter Speed

    Adjusting the exposure duration can be done in the Record Settings screen or by tapping the Exposure display on the main screen to bring up the adjustment slider. Tap and drag the slider to adjust the exposure, or use the Jog Wheel. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 21: Setting White Balance

    Cameras are much more sensitive to changes in lighting color than the human eye, so the camera must have a reference for the lighting color. White Balance is used to correct for lighting color temperature. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 22 If the pixels sampled within that region are over or under exposed, an error message will pop up; otherwise, the successfully calculated Custom white balance will be applied. Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 23 You may also enter a custom numerical value in the White Balance dropdown menu. See the reference table below for how the image changes based on the preset White Balance markers. Cloudy 6500K Daylight 5600K Tungsten 3200K Find us at: krontech.ca Chronos 4K12: User Manual Prepare...
  • Page 24: Assistive Features

    Fluorescent 2800K 3.7 Assistive Features The Chronos 4K12 offers several assistive features to assist the camera operator. All three assistive features may be quickly toggled as desired through the side menu during live or playback camera states. NOTE: None of the assistive features are applied to the HDMI output.
  • Page 25: Recording

    The 9th frame has now replaced the 1st frame. The length of the ring buffer depends on the Record settings (see Section 4.2). Reducing the frame rate below maximum will increase the record time proportionally. Find us at: krontech.ca Chronos 4K12: User Manual Recording...
  • Page 26: Recording Time

    (see Section 3.3 for details). The theoretical maximum record time may also be determined with the formula below: Record Time = Ring Buffer Capacity / Capture Rate Find us at: krontech.ca Chronos 4K12: User Manual Recording...
  • Page 27: Setting Record Length

    This adjusts the size of the ring buffer. To adjust record length, enter the Record Settings screen (1), then tap the Record Modes button (2). Find us at: krontech.ca Chronos 4K12: User Manual Recording...
  • Page 28 15.5 seconds was entered, the camera automatically adjusted the record length time to align to the nearest frame. Press OK to exit the Record Modes menu. Figure 4.6. — Record Length Selection Find us at: krontech.ca Chronos 4K12: User Manual Recording...
  • Page 29: Playback & Saving

    Mark Start button (D) and Mark End button (E). This crops the video to just the frames that you want to keep. Figure 5.2. — Playback Screen Find us at: krontech.ca Chronos 4K12: User Manual Playback...
  • Page 30: Saving Overview

    (see Figure 5.2). The desired save region is marked by a colored bar. The Chronos 4K12 includes a 1TB sized NVMe solid state drive built-in; however, it also supports a variety of alternative saving destinations.
  • Page 31: Saved File Formats

    NOTE: The USB-C Port 1 mode must be set to “Host” in order for the camera to recognize a storage device plugged into it. The Chronos 4K12 may also save video directly to NFS or SMB network servers while it’s connected using a network adapter. After successfully configuring a connection with a network share, it will appear within this list of Saving Location options.
  • Page 32: File Browser Navigation

    Figure 5.4. — Storage Selection 5.5 Storage Devices The Chronos 4K12 supports a wide variety of storage devices beyond its internal solid state drive. One key advantage to using an external storage device is the camera doesn’t need to be powered on in order to access the saved video.
  • Page 33: Transferring Files

    NOTE: In addition to exFAT file systems, the 4K12 also supports FAT32, EXT2, EXT3, EXT4, and NTFS. However, in order to change the file system type, equipment such as a personal computer is required. Find us at: krontech.ca Chronos 4K12: User Manual Saving...
  • Page 34: Triggering & Synchronization

    6. Triggering & Synchronization Chronos 4K12 cameras support triggered recording, as well as synchronization through any of its three I/O channels. Settings for this may be configured from the Trigger I/O screen while the camera is not busy with other operations.
  • Page 35: Trigger Modes

    The delays configured in this screen only apply to the Record End Trigger and do not apply to recordings started by the record button on the top of the camera and the record button on the display. Find us at: krontech.ca Chronos 4K12: User Manual Triggering...
  • Page 36 Example: If a 5000 frame recording is being made, and the pre-trigger is set to 2000 frames, when the trigger occurs the camera will keep 2000 frames from before the trigger, and then the rest of the record buffer (3000 frames) after the trigger. Find us at: krontech.ca Chronos 4K12: User Manual Triggering...
  • Page 37: Synchronizing To External Sources

    On camera startup, the HS-RTC is initially set using the camera’s date and time configured within the Factory tab of the System Settings. The HS-RTC is updated continuously when IRIG-B reception is enabled and the camera is successfully receiving a signal. Find us at: krontech.ca Chronos 4K12: User Manual Triggering...
  • Page 38 Frame time stamps can be set in the Playback Settings menu and can be displayed in several ways: • Overlay embedded on or below video (H.264/H.265 formats) • CSV file written alongside video (all formats) • Embedded in file name (DNG) Find us at: krontech.ca Chronos 4K12: User Manual Triggering...
  • Page 39: Network Interface

    The camera can be configured with a static IP address. To enter a static IP address, fill in the fields for the IP, Netmask, and Gateway. To use a static IP address, the DHCP checkbox must be cleared (disabled). Find us at: krontech.ca Chronos 4K12: User Manual Network...
  • Page 40: Video Output

    Likewise, disconnecting the monitor will restore the live view on the camera’s LCD. NOTE: Gamma corrections are not applied to the video signal output via HDMI. Find us at: krontech.ca Chronos 4K12: User Manual Video Output...
  • Page 41: Camera System Settings

    Opens a pop-up window allowing you to select the Auto Save destination. Press OK when done. Revert to Defaults Sets the camera’s settings back to the factory default. Close Button Returns to the Main screen. Settings are applied automatically as they are changed. Find us at: krontech.ca Chronos 4K12: User Manual 4K12 Settings...
  • Page 42: Storage Screen

    Opens a file browser window to display files and folders on each connected storage device that has been recognized by the camera. Close Button Returns to the Main screen. Settings are applied automatically as they are changed. Find us at: krontech.ca Chronos 4K12: User Manual 4K12 Settings...
  • Page 43: Network Screen

    Figure 9.4. — About Screen The About tab contains information about the camera’s hardware, software, and current operating conditions. In the event that support from Kron Technologies is required, it is useful to provide a photo of this screen with your support ticket.
  • Page 44: Factory Screen

    Tap the box next to the text “Auto Set” to have the date and time update automatically. This function requires that the camera be connected to the Internet to work and is relative to the selected Region / City. Find us at: krontech.ca Chronos 4K12: User Manual 4K12 Settings...
  • Page 45: Optics

    10. Optics 10.1 Lens Mount & Adapter The Chronos 4K12 may be fitted with a variety of mounts to accommodate your desired lens. The mount may be removed after unscrewing the four M4 screws attaching it to the front of the camera body.
  • Page 46: Installing Software Updates

    13. Reattach the Service Door removed in step #3, and then reconnect the power supply to the camera. 14. Verify the camera starts up successfully. In the About tab of the System Settings screen, the Software Version should now read 1.6.0. Find us at: krontech.ca Chronos 4K12: User Manual Updates...
  • Page 47: Troubleshooting

    LED flashing stops. Power controller firmware corrupt If the above solution doesn’t fix the problem, contact Kron Technologies at support@krontech.ca. Can’t trigger recording end IO screen has extra pullup on Confirm that the only Pull Up enabled is the one for the trigger that is in use.
  • Page 48: Appendix A. Mechanical Drawing

    Appendix A. Mechanical Drawing Find us at: krontech.ca Chronos 4K12: User Manual Appendix...
  • Page 49: Appendix B. Spectra Sensitivity

    Appendix B. Spectra Sensitivity Spectra sensitivity characteristics Find us at: krontech.ca Chronos 4K12: User Manual Appendix...
  • Page 50: Appendix C. Adapter Bracket Locations

    Appendix C. Adapter Bracket Locations Find us at: krontech.ca Chronos 4K12: User Manual Appendix...
  • Page 52 KRON TECHNOLOGIES 8337 Eastlake Dr Unit #113 Burnaby, BC V5A 4W2, Canada Phone: +1 (778) 819-1182 Email: info@krontech.ca Website: krontech.ca...

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