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    • Setup guide
    • Hotkey card
    • User guides
    • Software / Firmware
    • FAQs

    Setup guide

    1

    Insert the linking cable into the keyboard halves.

    2

    Insert the USB-C (rounded) side of the longer cable into the keyboard and the USB-A side (rectangle end) into the computer.

    Hotkey card

    Download

    User guides

    Documentation
    Version
    Language

    Software / Firmware

    05-May-23
    ErgoFS
    Release notes:

    Firmware updates: Added lighting button lockout function via fn+windows key press

    Windows
    Software
    v2.0.1.15
    Firmware
    v1.82.00
    04-Apr-23
    ErgoFS
    Release notes:

    Software updates: Minor bug fixes

    Firmware updates: Fixed backlight brightness issue

    Windows
    Software
    v2.0.1.15
    Firmware
    v1.81.10
    11-Nov-22
    ErgoFS
    Release notes:

    Firmware and software for updated C989 with aluminum dial, select all / copy / cut / paste / fn macro keys, and Kailh switches

    Windows
    Software
    v2.0.1.13
    Firmware
    v1.81.00
    06-Sep-21
    ErgoFS
    Release notes:

    Legacy firmware and software for C989 keyboards with triangle dial, 'M' macro keys, and Cherry switches

    Windows
    Software
    v1.05.00
    Firmware
    v1.38.00

    FAQs

    See: Cloud Nine Help Center

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