Display Wavefor
mData
11. Select Probe Setup to define probe
parameters.
On the resulti
ng side menu:
Select Voltag
e or Current to set the
probe type for probes that do not
have a TekProbe Level 1, TekProbe II
(requires a T
PA-BNC adapter) or TekVPI
interface.
For probes that do not have a Tek
interface, when Probe Type is set to
Voltage,us
e m ultipurpose knob a to set
Attenuation to match the probe.
For probes that do not have a Tek
interface, when Probe Type is set to
Current,u
se multipurpose knob a to
set the Amps/Volts ratio (Attenuation) to
match the probe.
If you are measuring current by probing
the voltage drop across a resistor, set
Measure
Current to Yes. Push A/V ratio
on the side menu and turn multipurpose
knob a to set the Amps/Volts or
Volts/A
mp ratio of your setup. For
example, if you are measuring the drop
across a 2 Ω resistor, set the V/A ratio
to 2.
12. Select Deskew to make display and
measu
rement adjustments for probes that
have differing propagation delays. This is
especially important when using a current
probe
in conjunction with a voltage probe.
For best results, use a deskew fixture, such
as the Tektronix 067-1686-xx.
98 MSO4000B and DPO 4000B Series Oscilloscopes User Manual
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