Signal Conditioning

Measurement Operations & Settings

Table 7 Comparison of command semantics beween 8156A attenuator and 8156xA modular attenuator family.

 

 

 

 

Command

Comment

 

 

 

 

OUTPut:APMode?

It is now possible to adjust both power and attenuation without changing the

 

mode, so this command is supported only to address compatibility issues. This

 

 

 

 

query returns whether power (1) or attenuation (0) was changed last. All other

 

 

actions have no effect on this internal flag.

 

OUTPut:POWer

Except that the base power level is determined in another way (see OUTPut:AP

 

Mode), there is no change to the semantic of this command.

 

 

 

OUTPut:POWer?

No change.

 

 

 

OUTPut:STATe

No change.

 

 

 

OUTPut:STATe?

No change.

 

 

 

OUTPut:STATe:APOWeron

No change.

 

 

 

OUTPut:STATe:APOWeron?

No change.

 

 

 

 

 

 

 

Display and System Commands

 

 

The commands to adjust the instrument display (page 104ff) and query the

 

 

error queue (page 122) also work with the 816xA/B platform:

 

 

DISPlay:BRIGhtness

 

 

DISPlay:ENABle

 

 

SYSTem:ERRor?

 

 

IEEE Commands

 

 

Every SCPI compatible measurement instrument implements a subset of

 

 

the IEEE SCPI command set. The 8156A attenuator and the

 

 

81560A/1A/6A/7A attenuator family use almost the same subset. The

 

 

following IEEE commands are available when using the 8156A but not

 

 

available when using the 81560A/1A/6A/7A modules (page 93ff):

 

 

*RCLRecover parameter setup

 

 

*SAVSave parameter setup

 

 

*SRE and *SRE?Status request register

Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition

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Agilent Technologies 8164A, B, 8166A, 8163A manual Display and System Commands, Ieee Commands, 167
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8163A, 8164A, 8166A, B specifications

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