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4 - 66 HOW TO USE THE INSTRUMENT
The third softkey in the menu is labeled ’starts/trig’d’. ’Starts’ is highlighted as
default. This is an indication that the Delayed Timebase starts immediately after
the delay time has passed. For most signals, the ’starts’ mode can be used.
- Press the softkey to select the TRIG’D mode.
When the triggered mode is selected for the Del’dTB, the start of the Del’dTB is
postponed until the first trigger occurs after the delay time. A valid trigger depends
on the proper setting of the trigger source, slope and level.
The delayed timebase trigger source and slope can be selected with the same
TRIG 1, TRIG 2, TRIG 3, TRIG 4 or EXT TRIG buttons as are used for Main
Timebase triggering.
When the DELAYED TIMEBASE is active, operation of the Del’dTB triggering is
similar to that of the Main Timebase trigger source and slope.
In the lower right hand corner of the screen, the delayed timebase trigger readout
is displayed under the readout for the Main Timebase triggering.
- Press the TRIG 1 key in the CH1 section a few times.
Observe that the trigger slope for the Delayed Timebase changes.