Tektronix Waveform Monitors WFM700 Series User Manual

Page 21

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Functional Overview

2- 6

WFM700 Series Waveform Monitors User Manual

Table 2- 4: Readout descriptions (Cont.)

Readout

Description

Location

Magnification (Mag)

Lower center

Text indicates the mag setting. If mag is on, the text appears in yellow to indicate
that the signal is not being displayed in the normal time scale.

Sweep rate

Lower center

Text indicates the selected sweep rate.

Closed caption presence

Upper left

When the instrument detects the presence of a closed caption signal, CC is
displayed on the screen.

Timecode

Upper left

Text indicates the type of timecode (VITC or ATC) and the decoded time. A
semicolon between the seconds readout and the frame readout indicates that the
timecode is of the “drop-frame” variety. If no timecode is present, no text appears.

Ancillary data

Upper left

Indicates the presence of ancillary data packets in the video stream, excluding
packets for embedded audio and RP165 EDH. Possible messages are as follows:
Blank -- No ancillary data packets present.
Anc Present -- Indicates that one or more ancillary data packets are present, and
that no parity or checksum errors were detected.
Anc Error -- Indicates that one or more ancillary data packets are present, and that
one or more parity or checksum errors were detected.

Program rating

Upper left

Text indicates the V-chip (Content Advisory) rating of the program.

Eye measurements

Upper left and
center

When the eye measurements are turned on in the Eye display, the current values
of the following eye measurements are displayed: amplitude, rise overshoot, fall
overshoot, rise time, fall time, and rise-fall time delta.

Gamut error

Top center

When gamut errors occur, the readout (if enabled) will display either “RGB,” “Y+C,”
or “Lum” for RGB, Composite, or Luminance gamut errors, respectively.

Current date and time

Upper right

The current date and time is displayed. Use the System submenu of the Configure
menu to set the date and time and to select the format of the date and time
displays.

Field and line

Upper right

When Line Select is active and Line is selected, on-screen text shows the
displayed field and line number. It also indicates in which portion of the video signal
the selected line occurs.

Sample

Upper right

When Line Select is active and Sample is selected, text displays the selected
sample number, followed by the portion of the video signal that the sample is in,
such as Y, Cb, Cr, EAV, HB, or SAV.

Cursor

Upper right

When cursors are active, the text displays the time or voltage (depending upon
mode) at their location and the difference in time or voltage between them (delta).

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