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Adjustment Procedure
LeCroy
Oscilloscope
3. Select the channel to which the probe and ProBus extender is connected. Set OFF-
SET on the oscilloscope to zero as indicated on the on-screen display.
4. Set the DMM to read DC Volt on the most sensitive range.
5. Verify that the probe inputs are not connected to any signal.
6. Adjust OFFSET ZERO on the board until the DMM reads 0 V ±100 µV. Refer to figure
8-2 for adjustment location.
7. Leave the setup connections in place for the next step.
Figure 8-2a. Adjustment Locations S/N 1000 and higher.
HFP1500-OM-E Rev E
ProBus Extender Cable
HFP1500 probe
Figure 8-1. Output Zero Voltage Adjustment Setup
OUTPUT ZERO
OUTPUT ZERO
OFFSET RANGE
OFFSET RANGE
DMM
Precision 50Ω
Terminator
8–3
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