Tektronix WFM7200 Manuel utilisateur

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Product documentation

Covered products The following Tektronix products are covered by this document:

WFM7200 Waveform Monitor

WVR7200 Waveform Rasterizer

Product documentation

version

Your instrument was shipped with ﬁrmware version 3.4.X installed, which is

newer than the ﬁrmware version described by the product documentation that was

shipped with your instrument. This document provides a brief description of the

new features being introduced with ﬁrmware version 3.4.X.

You can download the latest versions of the documentation for your product at

the Tektronix Web site (www.tek.com).

New features in ﬁrmware version 3.4.X

Firmware version 3.4.X introduces a new HDR (High Dynamic Range) tool set

for assisting camera operators and editors to adjust their content to the correct

levels. The new HDR features and functions are described on the following pages.

NOTE. Option PROD is required to access HDR features.

www.tek.com

*P071340702*

071-3407-02

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Waveform display Dynamic Range setting. The pop-up menu for the Waveform display now contains

a selection for setting the Dynamic Range as shown below.

NOTE. When HDR or HDR Full is selected, you can use the Left / Right

arrow keys to toggle the vertical scale of the graticule between NITS, STOPS,

REFLECTANCE and CODE VALUE. The selected scale is shown at the bottom

of the display. (See Figure 5.)

Figure 1: Waveform display pop-up menu showing the Dynamic Range selection

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The following settings are available:

SDR (Standard Dynamic Range). Use this setting for conventional SD,

HD and 3G signals using ITU-R BT.709/2020 with OETF (Optical to

Electrical Transfer Function) gamma of 0.45 and with a display gamma EOTF

(Electrical to Optical Transfer Function) of 2.4 as deﬁned in ITU-R BT.1886.

When SDR is selected as the dynamic range, the CONFIG > Graticules and

Readouts menu contains the following graticule settings:

STD. The Standard graticule is available in either millivolts (Normal) or

Percent and can be conﬁgured within CONFIG > Graticules and Readouts

> SDI Waveform Graticules.

NARROW. The Narrow graticule uses a NITs graticule scale and code

values, which is the traditional signal representation. This setting provides

a signal representation using a code value of 64 decimal (10-bit) equal to

0 mV or 0%, and a code value of 940 decimal (10-bit) equal to 700 mV

or 100%.

FULL. The Full graticule uses a NITs graticule scale and code values that

provides signal representation with a code value of 4d decimal (10-bit)

equal to 0%, and a code value of 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 deﬁnedinITU-R

BT2100.

HDR (High Dynamic Range). Use this setting if you need the bit depth to

more efﬁciently produce smoother blacks and brighter specular highlights.

When HDR is selected as the dynamic range, the CONFIG > Graticules and

Readouts menu contains the following graticule settings:

HLG(1200). The Hybrid Log Gamma (HLG) graticule is deﬁned in

standard ARIB STD B-67 and was developed by the BBC and NHK.

SMPTE standard ST 2084 deﬁnes High Dynamic Range Electro-Optical

Transfer Function of Mastering Reference Displays also know as

Perceptual Quantization (PQ).

ST2084(1K). This graticule uses the ST 2084 curve with a maximum

value of 1000 Nits using the narrow range.

ST2084(2K). This graticule uses the ST 2084 curve with a maximum

value of 2000 Nits using narrow range.

ST2084(4K). This graticule uses the ST 2084 curve with a maximum

value of 4000 Nits using narrow range.

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ST2084(5K).Th

is 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.

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%.

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 BT2100.

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.

Camera Log. Use this setting to use a graticule with a curve based on the

camera manufacturers speciﬁcation. When Camera Log is selected as the

dynamic range, the CONFIG > Graticules and Readouts menu contains the

following graticule settings:

SLog. This graticule uses the Sony S Log curve.

SLog2. This graticule uses the Sony S Log2 curve.

SLog3. This graticule uses the Sony S Log3 curve.

CLog. This graticule uses the Canon C Log curve.

Log C.ThisgraticuleusestheARRILogCcurveat(ISO)El800.

BT.709. This graticule uses the traditional ITU-R BT.709 representation.

4 Read This First for ﬁrmware version 3.4.X

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HDR graticule selection. The CONFIG > Graticules and Readouts menu now

contains a setting for selecting the HDR graticule to be used by the Waveform

display: HLG(1200), ST2084 (1K), ST2084 (2K), ST2084 (5K), or ST2084

(10K).

Figure 2: CONFIG menu showing the SDI HDR Waveform graticule selection

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HDR graticule vertical scale setting. When an HDR graticule is selected for the

Waveform display, you can use the Left / Right arrow keys to toggle the vertical

scale units between NITS, STOPS, or REFLECTANCE. Camera operators can

use the graticule lines at 2%, 18% or 90% Reﬂectance to properly setup camera

exposure with a camera test chart of 2% black, 18% gray and 90% white.

Figure 3: Waveform display showing the HDR graticule with NITS selected as the vertical scale

Gain adjustment. When the ST.2084 (1K) or ST.2084 (10K) HDR graticules are

selected, a ﬁxed zoom mode from 100 Nits to maximum scale is available by

using the Up arrow key to enable Zoom Mode and the Down arrow key to disable

Zoom Mode. When Zoom Mode is enabled, the Gain function and the Vertical

Position controls are locked in a ﬁxed conﬁguration. When in HDR modes,

Variable Gain will be enabled by default to facilitate the Zoom mode function.

Voltage cursors. When HDR or HDR Full mode is selected as the Dynamic

Range setting, the mV voltage measurement cursors are replaced by a set of Nits

measurement cursors.

6 Read This First for ﬁrmware version 3.4.X

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Picture display brightup

settings

The CONFIG > Display Settings > Picture Brightup on Luma Gamut Error menu

has new selections for HDR monitoring.

Off. For this setting, the highlight overlay is turned off in the picture display.

Luma. For this setting, the highlight overlay is turned on for Luma values

that exceed signal levels based on gamut thresholds for luma settings.

HDR Specular On. For this setting, the highlight overlay is turned on for

selected HDR settings and produces HDR zebra highlights in the picture for

large areas of the trace that exceed 100 nits.

NOTE. The HDR zebra highlighting allows users to verify the location and the

size of the specular highlights.

HDR Specular Full On. For this setting, the highlight overlay is turned on

for HDR Full settings and produces HDR zebra highlights in the picture for

large areas of the trace that exceeding 100 nits.

Figure 4: CONFIG menu showing the Picture Brightup on Luma/Specular Gamut Error selection

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Typical HDR

monitoring setup for

ST.2084 (1K or 10K)

The following ﬁgure shows a typical HDR monitoring setup for

ST.2084 (1K or 10K):

Tile 1: Waveform display with HDR graticule.

Tile 2: Waveform display with the HDR zoom mode enabled.

Tile 3: Picture display with specular highlighting enabled.

Tile 4: Video Session display.

Figure 5: Typical HDR monitoring setup for ST.2084 (1K or 10K)

8 Read This First for ﬁrmware version 3.4.X

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New features inﬁrmware version 3.3.X

Firmware version 3.3.X introduces the new features and functions described on

the following pages.

Datalist display ANC Data highlighting. The following new ANC Data highlighting has been

added to the Datalist display (See Figure 6.):

Blue background highlighting indicates Ancillary Data

Cyan highlighting in an ANC Data packet indicates the checksum data

White text in an ANC Data packet indicates the packet header data

Green text in an ANC Data packet indicates user-deﬁned data words

Red text in an ANC Data packet indicates a data word error

Figure 6: Datalist display showing ANC Data packet highlighting

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Switch line highlighting. New gold highlighting indicates a switch line. (See

Figure 7.)

Figure 7: Datalist display with switch line highlighting

Sample value readout. In full-screen mode, a new readout near the top right of the

Datalist display (See Figure 6.) provides a description of the selected sample. The

readout value depends on the type of the selected sample:

SAV/EAV Header: Values 0, 1, 2 (3FF, 000, 000)

SAV/EAV XYZ: F (Field: 0 = Field 1, 1 = Field 2) V (Vertical: 0 = Not

Blanking, 1 = Field Blanking) H (Horizontal: 0 = SAV, 1 = EAV)

ANC Data Header: Values 1, 2, 3 (000, 3FF, 3FF)

ANC Data (DID) Data Identiﬁer

ANC Data (SDID/DBN) Secondary Data Identiﬁer / Data Block Number

ANC Data (DC) Data Count

ANC Data (UDW[x]) User Data Word Number

ANC Data (CS) Checksum

Sample value shown in millivolts and (%) (See Figure 7.)

10 Read This First for ﬁrmware version 3.4.X

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