Specifications

To adjust the Option 005 offset (R15)
(HP 54602B only)
The oscilloscope must be calibrated before performing this adjustment. Refer to
"To perform the self-calibration" on page 4–31.
Table 4-17
Equipment Required
Equipment Required Critical Specification Recommended
Model/Part
Digital Multimeter 0.1 mV resolution, accuracy ±0.05% HP 34401A
Adapter BNC (m) to dual banana post HP 10110B
1
Set up the oscilloscope for the voltage adjustment.
a
Turn off the oscilloscope and disconnect the power cord.
b
Remove the cabinet from the oscilloscope.
c
Connect the negative lead of the digital multimeter to a ground point
on the oscilloscope.
d
Connect the oscilloscope rear-panel VERT OUT connector to the
voltage inputs of the digital multimeter (DMM) using the DMM’s test
leads and the BNC to dual banana post adapter.
e
Reconnect the power cord and turn on the oscilloscope
f
Setup the digital multimeter for a DC voltage measurement.
g
Press the
Setup
front panel key on the oscilloscope.
h
Press the
Default Setup
softkey on the oscilloscope.
2
Adjust R15 (below
VERT OUT
connector) on the Option 005 PC board
so that the measured voltage on the digital multimeter is 0 volts
±
1 mV.
If adjusting R15 does not bring the voltage within tolerance, see "To
troubleshoot Option 005" on page 4–48.
Service
Adjusting the Oscilloscope
4–39