User`s guide
2-13
Front-Panel Overview
To use digital channels to view a signal
To use digital channels to view a signal
• To configure the oscilloscope quickly, press the Autoscale key to display 
the connected signals.
• To undo the effects of Autoscale, press the 
Undo Autoscale softkey before 
pressing any other key.
This is useful if you have unintentionally pressed the Autoscale key or do not 
like the settings Autoscale has selected and want to return to your previous 
settings.
• To set the instrument to the factory-default configuration, press the 
Save/Recall key, then press the Default Setup softkey.
Example  Install probe clips on channels 0 and 1 on the digital probe cable. Connect the 
probes for digital channels 0 and 1 to the Probe Comp output on the front panel 
of the instrument. Be sure to connect the ground lead. Set the instrument to 
the factory default configuration by pressing the Save/Recall key, then the 
Default Setup softkey. Then press the Autoscale key. You should see a display 
similar to the following.
Autoscale with digital channels (54621D, 54622D, 54641D, and 54642D)










