Tektronix TG700, Руководство пользователя

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GPS7 GPS Synchronization and Timecode Module
TYPE.
Use the left ( ◄ ) or right ( ► ) arrow button to select from the following
LTC output signal formats:
Table 3-19: LTC output signal formats
Format Rate Delay range
23.98
24 fps at 23.98 Hz rate
±
20.85 ms
24
24 fps at 24 Hz rate
±
20.83 ms
25 25 fps at 25 Hz rate
±
20.00 ms
30 30 fps at 30 Hz rate
±
16.67 ms
30 DF 30 fps drop frame at 29.97 Hz
rate
±
16.68 ms
SOURCE. Use the left ( ◄ ) or right ( ► ) arrow button to select from the following
LTC signal sources:
Disable: Disables the LTC outputs.
Time of Day: Uses the Time of Day counter as the timecode.
Program Time: Uses the Program Time counter as the timecode.
OFFSET.
Press the ENTER button, and then use the left ( ◄ ) or right ( ► ) arrow
button to select a digit in the LTC offset value to change. An underline character
appears under the selected offset digit. The time digits take the following form:
HH:MM:SS:FF.
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.
TIMING. Press the ENTER button to access the LTC TIMING submenu for the
selected LTC output. (See page 3-135.)
OUTPUT LEVEL.
Use the left ( ◄ ) or right ( ► ) arrow button to set the signal level
of the selected LTC output between 0.5 V and 5.0 V.
3–134 TG700 TV Signal Generator Platform User Manual