Tektronix MTG100 - Manual (Page 109)

Hierarchy Display
3Ć50
MTG100 & MTG300 MPEG Generator User Manual
Table 3Ć54: PCR icon Bezel menu commands (MTG300 only)
Command Description
Stress TS Head... Changes the status of the packet header in the packet containing the
PCR.
When you select this menu item, the TS Head Stress dialog box
appears. Refer to TS Head Stress Dialog Box on page 3Ć36 for more
information.
Interval... Changes the period of the PCR.
When you select this menu item, the PCR Interval dialog box appears.
Refer to PCR Interval Dialog Box on page 3Ć50 for more information.
Stress PCR... Sets the jitter parameters inserted into the PCRs. This function allows
you to create a transport stream with known multiplex errors.
When you select this menu item, the PCR Stress dialog box appears.
Refer to PCR Stress Dialog Box on page 3Ć51 for more information. Also
refer to Adding Jitter to PCRs on page 3Ć89.
PCR Interval Dialog Box. When you select the Interval... command from the Bezel
menu on your MTG300 MPEG generator, the PCR Interval dialog box appears
as shown in Figure 3-19.
The PCR interval parameter sets the time between occurrences of the PCR in the
transport stream. Use the rotary knob or hexadecimal keypad to change the
interval. You can set the value from 20 ms to 10000 ms in 1 ms steps.
Table 3-55 describes the Bezel menu commands associated with the dialog box.
Figure 3Ć19: PCR Interval dialog box
Table 3Ć55: Bezel menu commands for the PCR Interval dialog box
Command Description
Undo Stress Returns the PCR interval to the default value and closes the dialog box.
Keep Stress Enables the PCR interval. When you change the PCR interval, the new
interval value is displayed in orange after the PCR icon.
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