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Basic Operation
DS O5000 Series Digital Storage Oscilloscope User Manual
44
2. EXT TRIG : Input connector for an external trigger source, though with to connect and input the
external trigger signal.
3. Probe Compensation: Voltage probe compensation output and ground , u se d to electrically
match the probe to the oscilloscope input circuit. The probe compensation ground and BNC
shields connect to earth ground and are considered to be ground terminals .
To
avoid damages,
d o not connect a voltage source to any of these ground terminals.
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