Exfo PM-1100 Optical Power Meter Uživatelský manuál stáhnout pdf (Strana 57)

Controlling Your Optical Power Meter Remotely

Optical Power Meter 47

Error Messages

The Optical Power Meter can manage both system and device-specific

errors. The generic format for error messages is illustrated below.

As shown in the above figure, the message contains three parts: the error

number, error description, and device dependent information. All error

messages are stacked in a FIFO buffer. When there is at least one message

in the buffer, bit 2 of the Status Byte Register is set to 1. Use the SYST:ERR?

query to read the most recent message. The error message buffer is

initialized when starting the Optical Power Meter, when executing the *CLS

command, or by reading the last message stored in the buffer.

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Exfo PM-1100 Optical Power Meter Uživatelský manuál Strana 57