Tektronix MTM400 Manuel d'utilisateur télécharger pdf (Page 146)

Triggered Recording

MTM400 MPEG Transport Stream Monitor User Manual 3-101

Trigger events are flagged in the Tests or Custom view by

activating the Rec function associated with the event. In the

following screen shot, test numbers 1.2 and 2.3a are set. With

Event Alarm selected, recording will start if an error event

occurs on either test.

The Rec icon is toggle action; it is activated/deactivated by

double-clicking it.

Pre Trigger (%) A percentage of a stream can be recorded before a trigger event

occurs. (See Pre-Trigger Recordings, page 3-102.)

Set or enter the percentage of the recorded file that is to be pre-

recorded and select Set to confirm the setting.

Available Record Packets

Two fields which indicate the maximum number of packets (at

204 bytes/packets) that can be recorded in the reserved memory

and the amount of memory that will be used.

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Tektronix MTM400 Manuel d'utilisateur Page 146