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Operation
Note: Operating the probe requires MAUI firmware version 9.9.x.x or higher. To confirm the version,
choose Utilities > Utilities Setup from the oscilloscope menu bar, then open the Status tab.
Connecting the Probe to the Test Instrument
Connect the probe to the oscilloscope through the ProBus input.
Connect the AC-to-DC adapter to the DC inlet on the probe control module, then connect to AC
power. The colored LED will turn green, indicating functional status.
For optimal accuracy, allow the system to warm up powered on for at least 20 minutes, then
Perform a Precision Gain Calibration prior to taking measurements (see p.19).
Connecting Tips to the Probe Head
Insert the desired tip into the connector on the probe head. Be sure the arrows on both connectors
are aligned.
Connecting Tips to the Test Circuit
De-energize the circuit under test before connecting tips.
WARNING: The DL-ISO uses fiber-optic isolation to permit the probe to float above ground
without damaging the oscilloscope or harming the operator. DO NOT touch the probe head, tip
or tip cable while connected to a live circuit. The probe is not rated for hand-held use and
serious harm will result if you touch these components while they are floating.
Seat MMCX tips directly into MMCX connectors.
To connect MMCX tips to square-pin headers, attach the M2S adapter to the tip before pressing it
onto the pins.
Note: The M2S adapter connects to square-pin headers with mating pins measuring 25 mil/0.025"
or 0.635 mm x 0.635 mm and a pitch of 0.1" between pins. The order of the three pins in the M2S
adapter is Reference-Signal-Reference. Connect the Reference pin to the lower impedance node of
the circuit.
Proper connection to MMCX connectors (left) and using DL-ISO-M2S adapter (right)
User Manual
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