Originally Posted by kgveteran
Why is this processor so popular with JVC RS400 owners, i did load the curves for HDR, im to understand those curves are fixed and there MAY Be a better way to improve the RS400 pocture performance
The RS400/RS500/RS600 have two issues that the Vertex helps resolve:
1. Projector automatically selects the broken Gamma D curve whenever it sees an incoming HDR10 signal.
The Vertex resolves this by the inclusion of the Disable HDR checkbox on the HDR tab of the GUI. Marking this checkbox results in the JVC not seeing the signal as HDR so no switch is made to Gamma D.
2. Projector disables the Dynamic Iris whenever it sees an incoming HDR10 signal.
The same Vertex Disable HDR checkbox results in the JVC leaving the Dynamic Iris enabled.
In addition, the Vertex has a set of JVC Macros that will send commands over RS-232 to the projector to switch to a specific user mode depending upon the signal format. If you have a custom user mode for HDR10 defined in your projector, you select that user mode in the JVC Macro for HDR10. When the Vertex sees HDR10 input, the HDR10 macro is executed and an RS-232 command is sent to the projector to select the user mode.
There are macros for HDR10, SDR BT2020, SDR BT709, and HLG among others. The macros automate the selection of JVC custom user modes so you don't have to manually do it.