Autoscale Key; Recall Key - HP 54501A Operation Reference

AUTOSCALE Key

RECALL Key

Pressing this key causes the oscilloscope to evaluate
set the correct conditions to display the signals. When Autoscale
pressed tbe following conditions are set:
•
Vertical sensitivity on all channels
•
Vertical offset on all cbannels
•
SeL<; trigger to edge mode with minimum persistence, hold off, positive
slope, and proper trigger level for the trigger source
•
Sweep speed of displayed channel
In addition, Autoscale includes a soft reset:
•
Displays the correct number of screens
•
Turns 6.t/6. V markers off
•
Turns all measurements off
•
Turns measurement limit test off
•
Turns waveform math functions off
•
Turns timebase window off
•
Turns waveform/pixel memory display off
•
Turns measurement limit test off
•
Turns connect the dots off
The previous oscilloscope settings
RECALL O. To recall settings, press RECALL O.
Tbe RECALL key bas three primary functions:
•
By pressing tbe RECALL key and tben selecting 1,
.HP executes a recall of a previously saved setup configuration.
5450lA
•
Tbe.oscilloscope automatically saves the current configuration before
an
executing autoscale, recall, or setting up ECurTL presets.
an
is
RECALL 0
RECALLO.
•
CLEAR
RECALL
5450lA to default/power-up settings. The oscilloscope does not
perform power-up self-tests (see Instrument Reset).
will
be stored in volatile memory
undo of these actions. You cannot save to
executes an instrument reset and returns the HP
all
input signals and
is
2, 3, or
4, the
Front Panel Interface
3-5