Timebase Key; Position Key - HP 54501A Operation Reference

time base Key
p osition Key
Timebase
4-4
When the reference position is set to left, only the right window marker
moves when the window limebase is changed. When reference is set to
right, only the left marker moves, and when cenler is selected, both
markers move. This maintains a specified time reference without
changing any timebase settings and yet you have the ability to move the
reference points for better viewing.
When the Window function
placing and sizing the window. They are:
•
Window timebase
•
Window position
This key is activated only when the Window function is turned on and sets
the timebase in the window.
As the window timebase is increased the time in the window displayed in
the bottom screen is increased. The markers in the top screen move
farther apart. When the window reaches full screen the
and the window timebase become equal. As the window timebase
decreased the markers move closer together.
This key activated only when the Window function is turned on.
is
can
The window be placed anywhere on the normal waveform. By
adjusting the window position you
. U1len window timebase
possible setling jar window position. Turning the knob
no eff e ct.
is
enabled, two selections are available for
can
see any part of thewaveform.
Note
=
time/division, there is only one
main
timebase
is
will
have