Acterna A Series, Руководство по эксплуатации

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5-2 OLS-5
5.2 Service information
When first powered on, the device runs a self-test
that checks the program and calibration data
memory, among other things. If an error is
detected, an error message is displayed at the
end of the self-test.
Fig. 5-1 Error message in LC display, e.g. “E2”
Possible error messages
1. Acknowledge the error message by pressing
any key.
2. Power off the device.
3. Contact your nearest Acterna Service Center.
Addresses are found at the end of this
manual.
Code Meaning
E2 An error occurred in the program memory.
This can cause malfunctions in keypad
operation or cause the device to lock up.
E3 A checksum error occurred in the
calibration data memory. Temperature
compensation for the generator elements
is disrupted or has failed entirely. Expect
decreased power level accuracy.