Tektronix TG700, User Manual

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HD3G7 HD 3 Gb/s SDI Video Generator
Audio Click: Use this menu to set the audio click rate to one click every one,
two, three, or four seconds, or turn the click off. Use the left ( ◄ ) or right
( ► ) arrow button to select the click rate, and then press the Enter button to
con fi rm the selection.
Channel Origin: Use this menu to set a channel origin ID of up to four
ASCII characters. Use the left ( ◄ ) and right ( ► ) arrow buttons to position
the cursor, and then use the up ( ▲ ) and down ( ▼ ) arrow buttons to set the ID.
Press the Enter button to con fi rm the Channel Origin ID.
Sampling. Use this menu to set the sampling alignment status bits for the selected
audio group’s Audio Control Packet (ACP). Use the left ( ◄ ) or right ( ► )
arrow button to select between Frame , Frame without Frame Number , and
Asynchronous . Press the Enter button to con fi rm the selection.
TIMING Submenu
Use this menu to adjust the timing offset of the serial digital video outputs relative
to the internal reference signal (frame reset signal). Use the up (
▲ ) or down
( ▼ ) arrow button to change the menu items. The following fi gure shows the
TIMING submenu.
Figure 3-88: HD3G7 module TIMING submenu
Vertical.
Sets the vertical timing offset. Use the left ( ◄ ) or right ( ► ) arrow
button to change the timing offset. You can set the value from -1/2 to +1/2 frame
in 1-line steps.
NOTE.
A "line" of timing refers to the timing as if it were a raster scanning a CRT.
This may not be the same as the time that a line of data is present on the serial
link because of the way that Level B signals are interleaved.
TG700 TV Signal Generator Platform User Manual 3–171