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Electronic Theatre Controls Inc

fos/4 Software Version History

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Downgrading to 1.1.0 or below will reset the fixture to defaults.

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Version Release Date Key Enhancements Supported Hardware Software Download
1.4.1 Apr 9th, 2026 New Features:
  • PL8/PD8 (CPU2)
  • PL16/PD16 (CPU2)
  • PL24/PD24(CPU2)
  • FL7/FD7(CPU2)
  • FL5/FD5
  • FL10/FD10 

Release Note

1.4.0 Nov 6, 2025 New Features:
  • 16-bit DMX modes: 16-bit modes provide greater resolution but require more channels
  • More options for 1 Ch DMX mode: Use 1 Ch mode to provide 1-channel intensity control for a gel color, preset, or studio preset
  • More Curve channel options: New Quick Linear and Unregulated options for the Curve channel
  • Focus mode adds tilt control: Set a target tilt value, and then view the real-time Current Tilt display as you adjust the fixture tilt in Focus mode
  • Radio connection status: New Con value shows current radio connection status when using Multiverse® wireless control
  • Additional flicker control option: New PWM setting of Medium (11 kHz) joins the original High (25 kHz) and Low (5 kHz) settings
Fixes:
  • DMX snapshot: Capture the current DMX look to a preset when in one of five DMX modes  (3 Ch RGB, Studio, Expanded, Studio 16bit, and Expanded 16bit)
  • PL8/PD8
  • PL16/PD16
  • PL24/PD24
  • FL7/FD7
  • FL5/FD5
  • FL10/FD10 

Release Note

CPU1 Software 

CPU2 Software

1.3.1 May 9, 2024 New Features:
  • CPU2 Hardware Support
  • PL8/PD8 (CPU2)
  • PL16/PD16 (CPU2)
  • PL24/PD24(CPU2)
  • FL7/FD7 (CPU2)

Release Note

 

1.3.0 Dec 12, 2023 New Features:
  • HSIC DMX mode
  • Quick dimming curve
  • Support for large fos/4 Fresnel fixtures (FD10 and FL10)
  • Support for small fos/4 Fresnel fixtures (FD5 and FL5)
  • PL8/PD8 (CPU1)
  • PL16/PD16 (CPU1)
  • PL24/PD24(CPU1)
  • FL7/FD7 (CPU1)
  • FL5/FD5
  • FL10/FD10 

Release Note

Software

1.2.0 Sept 29, 2022 New Features:
  • Stand-alone Gel mode
  • Effects DMX mode
  • Cell DMX modes (fos/4 Panel only)
  • 1/4-stop intensity control in stand-alone Studio mode
  • Metamer control in stand-alone Studio mode
  • x,y color mode in stand-alone Color mode
  • New PWM parameter in the Local Settings screen to adjust PWM between high and low levels 
Fixes:
  • Adjusted the dimming curve in High PWM mode to improve color stability at low dimming levels
  • Multiverse enhancements, including wireless strength and quality display
  • Lustr X8 fixtures now use Studio mode as the default DMX mode
  • Function button now displays a list of modes to choose from, rather than requiring you to toggle through the mode screens individually
  • Control priority for the fixture now follows a "last takes precedence" rule, with wired DMX taking precedence over wireless DMX when both are present
  • PL8/PD8 (CPU1)
  • PL16/PD16 (CPU1)
  • PL24/PD24(CPU1)
  • FL7/FD7 (CPU1)

Release Note

Software

1.1.1 Nov 12, 2020 New Features:
  • PL8/PD8 (CPU1)
  • PL16/PD16 (CPU1)
  • PL24/PD24(CPU1)
  • FL7/FD7 (CPU1)

Release Note

Software

1.1.0 Sept 3, 2020 New Features:
  • FL7/FD7 (CPU1)

Release Note

1.0.1 Feb 8, 2020 New Features:
  • Mix parameter (in Expanded mode) has been flipped such that 0 is now Full Studio and 255 is Full RGB.
  • Intensity control has been simplified at low levels of dimming in stand-alone modes.
  • The dimming curve for intensity control in stand-alone modes is now linear.
  • PL8/PD8 (CPU1)
  • PL16/PD16 (CPU1)
  • PL24/PD24(CPU1)
Release Note
1.0.0 Jan 16, 2020 Initial Product Release for Panel fixtures
  • PL8/PD8 (CPU1)
  • PL16/PD16 (CPU1)
  • PL24/PD24(CPU1)
Release Note
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