Chronos 1.4 User Manual
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Chronos 1.4 User Manual

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Chronos 1.4 User Manual - Software version 0.3
Document Rev. 12 - March 2018
High-Speed Camera
User Manual
for
Software v0.3
Document Rev. 12
Page 1 of 61

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  • Page 1 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 High-Speed Camera User Manual Software v0.3 Document Rev. 12 Page 1 of 61...
  • Page 2 Terms of Sale or Warranty. This manual's purpose is to be instruction for the proper use of the Chronos 1.4 and its accessories. If there are any questions about this document, Terms of Sale, or Warranty, please contact info@krontech.ca.

  • Page 3: Table Of Contents

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Table of Contents Getting Support......................5 Quick Start........................5 Unboxing......................... 5 What's Included?....................5 Set up........................6 Powering Up, Charging, and Powering Down............6 Taking Shots......................7 Playback........................
  • Page 4 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Backfocus......................20 IR Filter........................21 Removing and Installing the IR Filter..............22 Trigger IO......................22 Trigger IO 1 and 2..................... 23 Trigger In 3......................24 Storage Devices....................24 Software Reference....................

  • Page 5: Getting Support

    You can contact Kron Technologies for support setting up and using your Chronos 1.4 camera. The User Forum is a great way to share questions with other Chronos users, as well as get support directly from Kron Technologies staf. The answer to your question may already be there, use the search function on the forum to search for keywords relating to your question or issue.

  • Page 6: Set Up

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 ● User Manual Lenses and other accessories may also be included if ordered. Check your invoice or sales receipt to know exactly what should be included.

  • Page 7: Taking Shots

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Taking Shots 1. Power up the camera 2. Set resolution in Record Settings - Camera powers up at 1280x1024 Tip - Don't be afraid to turn the resolution down to get a higher frame rate.

  • Page 8: Setting Resolution And Frame Rate

    Document Rev. 12 - March 2018 Setting Resolution and Frame Rate Chronos 1.4 allows you to trade image resolution for frame rate. In many applications, temporal resolution (frame rater is far more important than spatial resolution (image resolutionr. Don't be afraid to turn the resolution down! Frame rates can be set on the record settings page.

  • Page 9: Black Calibration

    The black cal is persistent across restarts and will be remembered the next time you select the same resolution. Recording Chronos 1.4 records to a ring bufer in internal high-speed RAM. The camera records continuously until stopped either by the shutter button, the on-screen record/stop button, or an external trigger source.

  • Page 10: Ring Bufer

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Ring Buffer A ring bufer is a data structure that is used to hold frames of recorded video. The ring bufer stores recorded frames until full. Once it is full, the oldest frames will be overwritten as new frames are captured.

  • Page 11: Playback

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Playback Figure 8: Playback window The playback and save functionality is accessed through the Play button on the main screen. The playback screen only plays back the most recently recorded video segment(sr stored in RAM.

  • Page 12: Save Settings

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 bottom and end at the top of the desired save region. (The save region is marked by a coloured bar.r 2. (optionalr Adjust save settings such as save location, bitrate, saved fle frame rate, etc in the Save Settings window.

  • Page 13: Record Start, Stop, And Triggering

    External Trigger Sources Triggers can be confgured to start a recording, stop a recording, and control the camera shutter. The Chronos has three external trigger inputs available: Trig 1 (IO 1r: The BNC connector. •...

  • Page 14: Triggered Exposure

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Triggered Exposure In this mode, an external trigger source connected to either Trigger IO 1 or 2 controls the start of exposure, and the exposure duration is controlled by the camera.
  • Page 15 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 1. Minimum exposure duration of 1us must be maintained, undefned operation may occur with a pulse width below 1us. 2. Exposure start must occur at least 2us after the end of the previous exposure.

  • Page 16: Hardware Reference

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Hardware Reference Hardware Overview Back/Top Figure 11 - Overview of camera (Back) SD Card Slot A Class 10 or faster SD card is recommended for quickest video saving.

  • Page 17: Side Connectors

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Indicators Illuminates to indicate the camera is currently recording Power Status Indicator Indicates the presence of AC power and charge status of the battery Indication Un-lit No AC power connected.
  • Page 18 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 USB/eSATA This port accepts both USB type A and eSATA devices. USB mass storage devices such as fash drives and hard drives can be connected to this port.

  • Page 19: Bottom

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Audio IO Not supported in current software but the hardware is present in all production cameras. Please check back with Kron Technologies for the latest software update for audio support.

  • Page 20: Lenses

    Lenses Lens Mount Chronos 1.4 is natively a CS-mount camera. C-mount lenses can be used with the included adapter. Other lens types such as F, EF, and PL can be used with an appropriate adapter to convert them to C mount.

  • Page 21: Ir Filter

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 zoom lens, and this setting is generally correct for most other lenses, but if you are experiencing problems with focus, this is the frst thing to check.

  • Page 22: Removing And Installing The Ir Filter

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 image, especially under daylight or incandescent lamps. The IR flter removes the invisible light that would cause the image to become washed out. The Monochrome version benefts from the IR flter if recording objects that emit large amounts of IR light, such as glowing objects like sparks.

  • Page 23: Trigger Io 1 And 2

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Trigger IO 1 and 2 These non-isolated triggers are referenced to the camera's power and chassis ground, and can provide either input functionality with adjustable threshold (0-6.6Vr or 5V TTL level output.

  • Page 24: Trigger In 3

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Trigger In 3 This input is isolated input via an optocoupler. A logic low input is a voltage from -30 to 1V, and a high level input is a voltage of 3 to 30V. Voltages between these ranges (1 to 3Vr are undefned.
  • Page 25 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 This page intentionally left blank. Page 25 of 61...

  • Page 26: Software Reference

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Software Reference Menu/Screen Overview Main Window The main screen appears when the camera starts. The image on the left is what will be recorded. Control Function...
  • Page 27 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Focus Aid Enables/disables focus peaking, which highlights sharp edges in a conspicuous colour. This can used when adjusting focus is challenging. The colour and sensitivity are adjustable from the Util menu.

  • Page 28: Record Settings

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Settings The record settings page provides controls to set the captured area of the sensor and the frame rate at which the recording is taken. Lower resolutions can be captured at higher frame rates.
  • Page 29 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Analog Gain Adjusts the ISO setting. A higher gain results in increased sensitivity (less lighting requiredr, but increased image noise. For the best image quality, use the lowest gain possible and increase light level or aperture if more light is required.

  • Page 30: Record Mode, Normal

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Mode, Normal The default capture mode. A single video is recorded using all of part of the camera’s memory. Note: The red trigger button on the top of the camera always operates as start/stop recording.
  • Page 31 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 This page intentionally left blank. Page 31 of 61...

  • Page 32: Record Mode, Segmented

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Mode, Segmented In Segmented mode, multiple videos are kept in memory. This is diferent than Normal mode, where only one video can be kept in memory. As segments are recorded, they are stored in a ring bufer.
  • Page 33 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Control Function Record Length Set the duration of the recorded segment, in seconds. The (secondsr timing of this recording can be changed in the Trigger Delay window.

  • Page 34: Record Mode, Gated Burst

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Mode, Gated Burst In Gated Burst mode, multiple videos are kept in memory. Video is only recorded when the trigger input is active. As segments are recorded, they are stored in a ring bufer.
  • Page 35 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Control Function Prerecord Set the amount of video to save before the trigger becomes (secondsr active, in seconds. Prerecord Set the amount of video to save before the trigger becomes (framesr active, in recorded frames.

  • Page 36: Trigger Delay

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Trigger Delay The Trigger Delay page lets you confgure when video is captured. This applies only to external triggers such as TRIG1, on the side of the camera. Analog channels will be supported in a future software update.
  • Page 37 2000 frames of footage from before the trigger, and another 3000 after the trigger. Note: The Chronos is always recording to a ring bufer. (This is the digital equivalent of a loop of tape.r New footage is constantly replacing old.

  • Page 38: Trigger / Io

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Trigger / IO The Trigger I/O screen allows the confguration of external inputs and how they afect the recording process. Multiple triggers of the same efect are combined with a logical or.
  • Page 39 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Invert Inverts the input level, trigger input will be sensitive to low level (Trigger Inputr instead of high when checked. Debounce Use a 10ms debounce flter on the input. This is recommended when using a button or switch on the input to avoid glitches due to contact bounce.

  • Page 40: Play Screen

    The playback mode allows saving, review, and trimming of the recorded video on the Chronos. The image on the left displays what was previously recorded. The coloured bar to the right of the playback slider indicates the region to be saved, along with any previously saved regions.
  • Page 41 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Save button Starts saving the marked region of video. Close button Returns to live video mode. This does not erase the recording; it will remain in memory until a new recording is started, a black cal is performed, or the video is otherwise cleared.

  • Page 42: Save Settings

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Save Settings The save settings popup, in the top-left corner of the Play Mode screen, lets you set how the fle is written to the external storage device. By default, it saves H.264- encoded.mp4 fles to the most recently attached storage device.
  • Page 43 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Save Location Selects the storage device for saved video. This list automatically refreshes, selecting the most-recently attached device, although it may take several seconds for newly inserted devices to appear.

  • Page 44: Util Screen

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Util Screen Main Tab The Utilities page contains general settings and information about the camera. More functions can be accessed through the tabs on the right.
  • Page 45 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Set New Time Applies the current time in the clock adjustment box to the camera's clock. Auto Record After a recording has fnished saving, automatically start a new recording.
  • Page 46 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Settings Tab Save settings confguration, such as Focus Peaking settings and Trigger/IO Settings, to an external storage device. This is useful to make backups, so you can restore your camera confguration state, or to save your settings across a software update.
  • Page 47 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 About Tab Shows information about camera, such as model, serial number, and software version. Page 47 of 61...
  • Page 48 Document Rev. 12 - March 2018 Kickstarter Backers Tab A list of the excellent people who contributed to our kickstarter campaign. Without these people, the Chronos would not exist. Take a moment, and scroll through the list. Page 48 of 61...
  • Page 49 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Factory Tab The factory tab contains functionality used for the manufacturing of the camera. And a button to remove user calibration data. (The buttons to save and restore user calibration data are back on the Main tab.r...

  • Page 50: Maintenance And Care

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Maintenance and care Optics ● Keep the optical area clean when changing lenses by keeping the body and lens mount caps on when the lens is separated from the camera.

  • Page 51: Troubleshooting

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Troubleshooting Possible Symptom Solution problem Insert battery or connect to mains No power power. Camera won't Remove battery and AC adapter for 10 Crash power on seconds, then reconnect and power on.
  • Page 52 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Backfocus Readjust backfocus, see Backfocus misadjusted Adjustment. Focus slightly The Computar 12.5-75mm lens as well wrong, proper as some others are slightly soft at fully focus out of range Lens limitation wide aperture.

  • Page 53: Reference Information

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Reference Information Specifcations Camera Imaging 1280x1024 1057fps, see resolution table for details Memory 8GB, 16GB, or 32GB Record Time 4 seconds (8GBr, 8 seconds (16GBr, 16 seconds...
  • Page 54 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Sensitivity colour - ISO 320 to 5 120 (ISO) Mono - ISO 740 to 11 840 Shutter Electronic global shutter, 1/fps to 2us (1/500 000 sr Dynamic 56.7 dB...
  • Page 55 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Trigger Electrical 0-6.6V threshold, optional button debounce and Sources pullup Audio* Trigger on loud sounds Acceleration* Trigger on camera motion, tilt or shock Image* Trigger on image changes...
  • Page 56 Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Zebras Rolling diagonal lines indicate clipped (overexposedr areas. Focus Aid* Zooms in to allow easier focusing. * These features will be added in a future free software update...

  • Page 57: Record Rates And Times

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Rates and Times Record Preset VS Record Duration Maximum recording time for a sample of common resolutions at max fps. Record time Record time Record time...

  • Page 58: Record Resolution Vs Record Duration

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Record Resolution VS Record Duration Recording time for a sample of frame rates as resolution is decreased. Record time Record time Record time Resolution (sec) (8GB)

  • Page 59: Mechanical Drawing

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Mechanical Drawing Page 59 of 61...

  • Page 60: Spectral Response

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Spectral Response Note: These spectral response curves are in units of quantum efciency. Colour (without IR flter) Monochrome (without IR flter) Page 60 of 61...

  • Page 61: Software Change Log

    Chronos 1.4 User Manual - Software version 0.3 Document Rev. 12 - March 2018 Software Change Log Revision Changes Initial Release User Notes Page 61 of 61...

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