Exfo IQS-3150 Variable Attenuator for IQS-500/600 Manual de usuario Pagina 39

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Setting Up Your Variable Attenuator
Variable Attenuator 33
Control Center Settings and Controls
Changing the Attenuation or the Output Power
You can change the attenuation or the output power (self-adjusting module
only) value while performing your tests.
In the Attenuation control mode, you can select any value between the
minimum insertion loss and the maximum permitted by the module
specifications. Although EXFO guarantees that the minimum insertion loss
is below a specified value (refer to specification sheet), it may vary slightly
from one wavelength to another and from one IQS-3150 Variable
Attenuator to another.
To change the attenuation or output-power level:
1. Click the Instrument function tab.
2. Click the Attenuation or the Output Power tab.
3. In the Fine-Tuning Step box, enter the step value.
4. Using either the slider, the left/right arrows, or the numeric box, change
the attenuation or output power value.
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