No screen shown when using brightness adjustment function via NovaLCT-mars for J Series and L Series Displays


  • Shows no screen when using brightness adjustment function via NovaLCT-Mars for J Series and L Series Displays.


  • NovaStar
  • Nova MCTRL660 sender box
  • MRV300Q
  • Gold Family Displays
  • J Series Displays
  • L Series Display 


  • The MCTRL660 needs to be powered on.
  • If didn’t login NovaLCT and click brightness directly may lead to show no screen window and can’t show brightness window.

no screen shown brightness0.png 



1. Verify the MCTRL660 is powered on.

2. Log into NovaLCT Mars with password : admin

no screen shown brightness2.png 

3. After logged in will show system configuration button, and then you can continue to click brightness logo to adjust brightness screen shown brightness3.png

4. After input password, system configuration function will appear, and then click brightness to adjust screen shown brightness4.png


KB ID: DD3345242

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DISCLAIMER: Use of this content may void the equipment warranty, please read this DISCLAIMER prior to performing any service of the equipment.