No screen shown when using brightness adjustment function via NovaLCT-mars


  • Shows no screen when using brightness adjustment function via NovaLCT-Mars.


  • Product Family: Sender Box
  • Product: MCTRL660 sender box, MRV300Q
  • Components:  NovaLCT-Mars
  • Control System: World Wide Gold, Limited Compliance Gold, NPP Control using transmit common/open protocol
    • This includes but not limited to DVN-4003, Dragon sticks, J Series, U Series, Q Series​​, JVX, QVN-1000, and ZPN.


  • 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 value.

no screen shown brightness3.png 

4. After input password, system configuration function will appear, and then click brightness to adjust normally.

no 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.