74 5000 Series Oscilloscopes Service Guide
4 Troubleshooting
To verify default setup
The oscilloscope is designed to turn on with the setup from the
last turn on or previous setup. However, if the Secure
Environment option is installed, the oscilloscope will always
execute a Default Setup upon power-up.
To recall the factory default setup:
1 Press the Save/Recall key.
2 Press the Default Setup softkey.
This returns the oscilloscope to its factory default settings
and places the oscilloscope in a known operating condition.
The major default settings are:
• Horizontal - main mode, 100 us/div scale, 0 s delay, center
time reference
• Vertical - Channel 1 on, 5 V/div scale, dc coupling, 0 V
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, 60 ns holdoff time
• Display - Vectors on, 20% grid intensity, infinite persistence
off
• Other - Acquire mode normal, Run/Stop to Run, cursor
measurements off
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