Tektronix CSA7154, Руководство пользователя, Страница: 138 / 480

Acquiring Waveforms
3- 60
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
Use Time Stamps to display the absolute trigger time for a specific frame and the
relative time between triggers of two specified frames. To start FastFrame
Time Stamps, do the following steps:
Overview Time stamping frames Control elements and resources
Prerequisites 1. FastFrame mode should be set up as described in the
previous example.
2. Turn on FastFrame as described on page 3--58.
Turn readouts
on or off
3. In the Time Stamps controls, touch Readouts to toggle
time stamp readouts on or off:
H
On displays time stamp readouts (see Figure 3--17
on page 3--62). Time stamps are always acquired.
H
Off turns off the display of time stamp readouts
The displayed time uses the following format:
Sel Ch# F xxx
DD MMM YYYY HH:MM:SS.mmm nnn ppp
Ref Ch# F xxx DD MMM YYYY HH:MM:SS.mmm nnn ppp
∆
DD MMM YYYY HH:MM:SS.mmm nnn ppp
Where:
Sel and Ref Ch# F xxx are the selected or reference frame number
DD MMM YYYY
is the date (day, month, and year)
HH:MM:SS.mmm, is the clock time (hours, minutes, seconds, and milliseconds)
,nnn,ppp is a fraction of a second (to picoseconds)
Time Stamping Frames