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Performance Verification
4–4
THS710A, THS720A, THS730A & THS720P Service Manual
Performance Verification Procedures
In these procedures, TekScope instrument setups are shown in tables. Refer to
Conventions on page x for information about how to use these tables.
Before beginning these procedures, two conditions must first be met:
H The TekScope instrument must have been operating continuously for ten
minutes within the operating temperature range specified.
H You must perform the Signal Path Compensation operation described below.
If the ambient temperature changes by more than 5° C, you must perform the
Signal Path Compensation operation again.
The time required to complete the entire procedure is approximately one hour.
WARNING. Some procedures use hazardous voltages. To prevent electrical shock,
always set voltage source outputs to 0 V before making or changing any
interconnections.
Signal path compensation optimizes the oscilloscope accuracy for the current
ambient temperature. For maximum accuracy, recompensate the signal path if the
ambient temperature changes by 5° C or more.
To compensate the signal path, perform the following steps:
1. Disconnect any probes or cables from the channel 1 and channel 2 input
BNC connectors.
2. Execute the signal path compensation with the following steps:
SCO
PE
UTI
L
ITY
System Cal
Signal Path
—
OK Compensate Signal
Paths
3. When the signal path compensation is complete, press CLEAR MENU to
resume operation of the TekScope instrument.
Signal Path Compensation