Agilent Technologies InfiniiVision 3000 DSO-X 3054A Servisní příručka stáhnout pdf (Strana 147)

Common (*) Commands 5

Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 147

See Also • "Introduction to Common (*) Commands" on page 127

• "*SRE (Service Request Enable)" on page 144

Table 58 Status Byte Register (STB)

Bit Name Description When Set (1 = High = True), Indicates:

7 OPER Operation Status Register An enabled condition in the Operation Status

6 RQS Request Service When polled, that the device is requesting service.

MSS Master Summary Status When read (by *STB?), whether the device has a

reason for requesting service.

5 ESB Event Status Bit An enabled condition in the Standard Event Status

4 MAV Message Available There are messages in the Output Queue.

3 --- --- (Not used, always 0.)

2 MSG Message An advisory has been displayed on the

oscilloscope.

1 USR User Event An enabled user event condition has occurred.

0 TRG Trigger A trigger has occurred.

To read the instrument's status byte with RQS reported on bit 6, use the interface Serial

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Agilent Technologies InfiniiVision 3000 DSO-X 3054A Servisní příručka Strana 147