EXFO IQS-3150 Variable Attenuator for IQS-500/600 - Manual (Page 11)

Introducing the IQS-3150 Variable Attenuator
Variable Attenuator 5
Main Software Features
Control Modes (Self-Adjusting Modules)
With the self-adjusting modules, you can select between two control
modes: Attenuation and Output Power.
Control Mode Description
Attenuation The instrument applies the attenuation values you have selected.
The value appearing at the top of the data display (dB) represents
your attenuation setting whether it was entered in a test sequence or
on the Instrument function tab.
The value appearing underneath the attenuation value is the output
power.
Output Power The instrument produces the output power level you have selected.
The value appearing at the top of the data display (dBm) represents
your power level setting whether it was entered in a test sequence or
on the Instrument function tab.
The value appearing underneath the attenuation value is the output
power.