Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 77)

Chapter 3 77

HP-IB Command Guidelines

Guidelines for Operation

The Data Functions are set to their default values whenever

• the power is cycled on the Test Set

• the front-panel PRESET key is selected

• the *RST Common Command is received through HP-IB

Changing Attribute Units The AUNits command can be used to

change the Attribute Units setting for selected measurements. Only the

Attribute Units for power and relative level measurements can be

changed. Table 3-4 lists the measurements which have changeable

Attribute Units.

Before changing the Attribute Units for a selected measurement, the

Test Set verifies that all Data Function values can be properly

converted from the current unit-of-measure to the new unit-of-measure.

The following Data Function settings are checked:

• the Reference value

•the High Limit

• the Low Limit

• the Meter’s high end setting

• the Meter’s low end setting

• the Meter’s interval

Table 3-4 Measurements with Attribute Units That Can

Be Changed

Function Available Attribute Units

TX Power measurement W or DBM

Adjacent Channel Power

LRATio, URATio DB or PCT

LLEVel, ULEVel W or DBM

SINAD measurement DB or PCT

DISTN measurement DB or PCT

SNR measurement DB or PCT

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Agilent Technologies 8935 Series Manual do Utilizador Página 77