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5 - 16 FUNCTION REFERENCE
CALIBRATION AUTOCAL
Description:
The CAL key is used to make a fine adjustment of the oscilloscope’s input, trigger,
and timebase circuitry to achieve high accuracy even under extreme
environmental conditions such as very high or very low temperatures. In a
workshop or laboratory environment, a fine adjustment once a week or even
every month is sufficient.
It is recommended that you do the fine adjustment after the instrument has
warmed up. For a complete calibration (advised once a year or every 2000
service hours), a special submenu is available in the maintenance menu.
Calibration data are protected by a keyword and a seal. Calibration should be
done by qualified personnel only. For details, refer to the chapter ’Calibration
Adjustment Procedure’ in the service manual.
Attention: Calibration autocal data disappears after having removed back up
batteries while the oscilloscope is not powered by line.
Key sequence:
Key to start the fine adjustment procedure. Press this key
for at least 2 seconds to start the procedure.
Remote commands:
CPL: CL (Command for Calibrate)
Refer to Chapter 6 for full details
CAL