Measuring Waveforms
3–110
TDS 500B, TDS 600B, & TDS 700A User Manual
STOP. Your oscilloscope will detect the type of probe you have installed and
display screen messages and menu choices for compensation of probe gain,
offset, or both. (See Figure 3–63.) The following steps will have you run probe
gain, offset, or both depending on the probe the oscilloscope detects.
7. If the message on screen is Probe Offset Compensation rather than Probe
Gain Compensation, skip to step 15.
8. Connect the probe tip to PROBE COMPENSATION SIGNAL; connect
the probe ground lead to PROBE COMPENSATION GND.
9. Press OK Compensate Gain (side).
10. Wait for gain compensation to complete (one to three minutes).
When gain compensation completes, the following actions occur:
The clock icon will disappear.
If offset compensation is required for the probe installed, the Probe
Offset Compensation message will replace the Probe Gain Compensa-
tion message.
If gain compensation did not complete successfully, you may get a
“Probe is not connected” message (examine the probe connections to the
digitizing oscilloscope, be sure the probe tip is properly installed in its
retractor, etc., and repeat step 9).
If gain compensation did not complete successfully, you may get the
message “Compensation Error.” This error implies that the probe gain
(2% error) and/or offset (50 mV) is too great to be compensated. You can
substitute another probe and continue. Have your probe checked by
service personnel.
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