Tektronix SDA601, Руководство по обслуживанию

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Operating Information
2- 22 SDA 601 Serial Digital Analyzer
that follow. See Figure 2--16. The location of the selected word in the video
frame is also indicated by “cross hair” cursors in the AUX output; connect an
analog video monitor to see the cross hairs.
Figure 2- 16: The Cursor Data Display
The first line of the cursor data display contains the hexadecimal values of the
selected word and the three that follow it. Values typical for the SAV timing and
reference signal are shown in Figure 2--16. The video “type” of the selected word
is indicated by the sample ID:
B = C
B
color difference
Y = Cosited luminance
R = C
R
color difference
y (lowercase) = Isolated luminance
The second line contains the coordinates of the selected word. In the example,
the selected word is number 1712 of line 4 in field 1.
The cursor movement icon will be visible on the second line when the arrow
keys are “active” for cursor positioning. Normal cursor movement is one line up
or down for each
Y or B key press, and one word per press of the A or " key.
Engage shift lock (pressing
Shift
twice) to accelerate horizontal movement to 20
words per key press, and increase vertical movement to 10 lines per key press.
Press Shift again to return to “fine” cursor control.
The cursor cross hairs are inserted in the AUX output whenever the
Cursor
key is
pressed; they are
not
removed when Cursor mode is deactivated. You may
remove the cross hairs from the video display by setting Video Cursor, in the I/O
menu, to “No Display.”
The Cursor Data display may also be invoked through the
Display Select
menu, but
Cursor cross hairs must then be enabled separately, through the
I/O
menu.
To exit the Cursor Data display mode, press the SLM (A) , Time (F) , or Review (G)
key, or turn the display Off through the
Display Select
menu.