Tektronix TG700, Руководство пользователя

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HDVG7 HDTV Digital Video Generator
AV Timing Mode.
Turns the output mode for an audio/video timing measurement
on or off. Use the left ( ◄ ) or right ( ► ) arrow button to select between ON and
OFF . Press the ENTER button to con fi rm the selection.
When you turn this mode on, the speci fi ed audio and video signals are
synchronously on for 0.5 second and off for 4.5 seconds. With this signal, you can
measure the time delay that accumulates between the audio and video content of
the television signal during signal transport. The time delay can be measured by a
video analyzer with the serial digital video signal or by an oscilloscope with the
analog audio and video signals extracted from the serial digital video signal.
The following settings are recommended for the audio and video signals when
you use this mode:
Audio signal (CH1 and CH2 of Group 1): 10000 Hz, -20 dBFS
Video signal: 100% Flat Field
NOTE.
The AV Timing Mode setting is not saved as a preset.
BLACK Submenu
(Option BK Only)
Use this menu to set the output parameters of the serial digital black signals
output from the BLACK1 and BLACK 2 connectors. Use the up (
▲ ) or down
( ▼ ) arrow button to scroll through the menu. The following
fi gure shows the
BLACK submenu.
Figure 3-112: HDVG7 module BLACK submenu (Option BK only)
TG700 TV Signal Generator Platform User Manual 3–221