Tektronix WFM5200 Series Release Notes page 6

Release notes
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ST2084(5K). This graticule uses the ST 2084 curve with a maximum
value of 5000 Nits using narrow range.
ST2084(10K). This graticule uses the ST 2084 curve with a maximum
value of 10000 Nits using narrow range. SMPTE standard ST 2084
defines High Dynamic Range Electro-Optical Transfer Function of
Mastering Reference Displays also know as Perceptual Quantization (PQ).
NOTE.
Narrow range is defined by ITU-R BT.2100 as signal representation
with code value 64 decimal (10-bit) equal to 0 mV or 0%, and code value 940
decimal (10-bit) equal to 700 mV or 100%.
NOTE.
HLG(1000), HLG(1200) and ST2084(10K) are the preferred
configurations for HDR. ST2084(1K), ST2084(2K), ST2084(4K), and
ST2084(5K) settings are intended for future use or legacy modes.
NOTE.
For compatibility between HDR configurations, a reference point of
203 Nits is displayed in HLG1000 and ST2084(10K) modes.
HDR Full (High Dynamic Range Full). Use this setting if you need the
High Dynamic Full Range defined by ITU-R BT.2100, which provides signal
representation with code value 4d decimal (10-bit) equal to 0%, and code
value 1019 decimal (10-bit) equal to 100%.
NOTE.
In SDI signals, the code words 0-3d and 1020-1023 are excluded and
clipped from a file that uses 0-1023 as the full range as defined in ITU-R BT.2100.
When HDR Full is selected as the dynamic range, the CONFIG > Graticules
and Readouts menu contains the following graticule settings:
ST2084(1K) Full. This graticule uses the ST 2084 curve with a maximum
value of 1000 Nits using full range.
ST2084(10K) Full. This graticule uses the ST 2084 curve with a
maximum value of 10000 Nits using full range.
WFM5200 Series and WVR5200 Series Release Notes