Philips PM3219/01 Notice D'emploi page 22

26
1.5,
1.5.1.
1.5.2,
1.5.3.
Y Channel
Main Time-base Triggering
Main Time-base Circuit
a trace is always visible.
The AUTO mode can be used in al! instances where the TRIG
mode is valid, except for signals below 20 Hz -
or pulse trains with an off period exceeding 100 ms.
:
As soon as trigger pulses are available, the free-running
state of the time-base generator is automatically
terminated and normal triggering is resumed.
a
Ke Ha