Tektronix TDS3012C User Manual page 166

Reference
GPIB Guidelines.
oscilloscope to a GPIB network:
Turn off the oscilloscope and all external devices before connecting
the oscilloscope to the GPIB network.
Assign a unique device address to the oscilloscope. Two devices
cannot share the same device address.
Turn on at least two-thirds of the GPIB devices while using the
network.
Calibration System
Use the System Cal menu to access these functions.
Bottom
System Cal
Signal Path
Factory Cal
Cal Due
Control
Key Points
Signal Path Compensation.
SPC routine just before taking critical measurements. To meet accuracy
specifications, run the routine if the ambient temperature changes by
10 °C (18 °F) or more.
Before running the routine, disconnect any probes or cables from the
channel inputs. Then, push the Signal Path and the OK Compensate
Signal Path screen buttons to confirm that you are ready to proceed. The
routine takes several minutes to complete. (See page 4.)
Factory Cal.
oscilloscope internal voltage references using external sources. Refer to
138
Follow these guidelines when you connect your
Side
Notify After Hours
of Operation
Notify After Years
of Elapsed Time
For maximum accuracy at any time, run the
Service personnel use these functions to calibrate the
TDS3000C Series Oscilloscope User Manual
Description
Compensates the signal paths to
obtain best measurement accuracy.
Used to calibrate the oscilloscope.
This is a service function only.
Sets the number of hours of
operation before notifying you that
a calibration is due.
Sets the number of years before
notifying you that a calibration is
due.