Technical data

Troubleshooting 4
4000 X-Series Oscilloscopes Service Guide 77
To verify default setup
The oscilloscope is designed to turn on with the setup from
the last turn on or previous setup.
To recall the default setup:
1 Press the [Default Setup] key.
This returns the oscilloscope to its default settings and
places the oscilloscope in a known operating condition.
The major default settings are:
• Horizontal:
• main mode.
• 100 us/div scale.
• 0s delay.
• center time reference.
• Vertical:
• Channel 1 on.
• 5V/div scale.
• dc coupling.
• 0V position.
• probe factor to 1.0 if an AutoProbe probe is not
connected to the channel.
• Trigger:
• Edge trigger.
• Auto sweep mode.
• 0 V level.
• channel 1 source.
• dc coupling.
• rising edge slope.
• 40 ns holdoff time.
• Display:
• 20% grid intensity.
• persistence off.