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Chapter 3, GPIB Command Guidelines
Guidelines for Operation
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 12 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 12 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