AJA FS-HDR - HDR to HD HDR down and Cross-Conversion

FS-HDR Frame Synchronizer/Converter/HDR-WCG Processor v1.0r1 44 www.aja.com
Procedure
System Configuration
1. If the FS-HDR is not already in Single Channel Mode, press the CONFIG
System button:
• Select 2 FS-HDR Mode, select 4K/UHD and press the ADJUST knob. Wait for
the FS-HDR to reboot (not longer than 90 seconds).
2. Press the VIDEO System button.
• Select 1 Output Frame Rate, and adjust to 59/29/23.
• Select 2 Genlock Source, and adjust to Reference.
Video Processor Setup
3. Press the VID1 Channel Select button.
4. Press the INPUT Video button.
• Select 1 Input, and adjust to SDI 1.
• Select 2.1 Dynamic Range&Gamut, and match to the camera, in this example
Canon Log 2.
5. Press the FORMAT Video button.
• Select 1 Output Format, and adjust to UHD2160p5994.
• Select 2.1 Dynamic Range&Gamut and select Hybrid Log Gamma BT.2100.
• Select 2.2 Dynamic Range Clamp and ensure No Clamp (default) is selected.
NOTE: Setting Dynamic Range Clamp to 100 Nits allows you to quickly A/B preview on a
connected HDR monitor how the video may appear on an SDR display.
• Select 3.0 Link Cfg SDI1-4 and adjust to QuadLnk LvlA.
• Select 5.0 Output Mapping and select either Quadrant (default) or 2SI as
required for your production.
6. If you have optional SFP output modules installed, you can select FORMAT
4.0 Link Cfg SDI5-8 and adjust to QuadLnk LvlA for an additional copy of that
converted signal.
The video switcher should now be able to accept the up-converted UltraHD HLG
camera signal.
4K HDR to HD HDR Down and Cross-Conversion
The following workflow demonstrates down-converting a Quad Link 4K input to
HD, and simultaneously cross-converting the HDR/WCG format, from PQ (HDR-
10) to HLG. The 4096x2160 input will be cropped to 3840x2160 and then down
converted.