Tektronix TG700, Руководство пользователя

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GPS7 GPS Synchronization and Timecode Module
digit in the offset value to change. An underline character appears under the
selected offset digit.
After you select an offset digit, use the up ( ▲ ) or down ( ▼ ) arrow button to
change the value of the digit. Repeat for each digit as required for your offset.
Press the
ENTER to con fi rm the offset change.
30 DROP.
Use the left ( ◄ ) or right ( ► ) arrow button to enable or disable the 30
Drop mode. Most applications will prefer drop-frame compensation VITC on
NTSC, but if needed, it can be disabled by this menu.
VITC.
Use this menu item to insert the same VITC signal on 1 or 2 lines of the
vertical interval. Select VITC 1 for one line and VITC 2 for the second line.
Select the VITC output you want to con
fi gure, and then press the ENTER button
to enter the VITC submenu for the selected output. (See page 3-121.)
VITC Submenu Use this menu to enable or disable the output of a VITC on the selected line. Use
the up (
▲ ) or down ( ▼ ) arrow button to change the menu items. The following
fi gure shows the VITC submenu.
Figure 3-60: GPS7 module VITC submenu
OUTPUT.
Use this menu item to enable or disable insertion of a VITC on the
selected line. Use the left ( ◄ ) or right ( ► ) arrow button to select ENABLE or
DISABLE . Press the ENTER button to con fi rm the selection.
Line Number. Use this menu item to select the video line on which the selected
VITC signal will be inserted. Use the left ( ◄ ) or right ( ► ) arrow button to select
the video line number. For NTSC, you can select lines from line 10 to 20 (lines 14
and 16 are recommended). For PAL, you can select lines between 6 and 22 (lines
19 and 21 are recommended). Press the
ENTER button to con fi rm the selection.
TG700 TV Signal Generator Platform User Manual 3–121