Exfo IQS-3150 Variable Attenuator for IQS-500/600 Uživatelský manuál stáhnout pdf (Strana 38)

Setting Up Your Variable Attenuator

32 IQS-3150

Control Center Settings and Controls

Selecting a Wavelength and a Fine-Tuning Step

The attenuator wavelength must be set as closely as possible to the

wavelength of the optical source. The IQS-3150 Variable Attenuator module

provides a wide range of wavelengths: 1250 nm to 1650 nm for singlemode

modules and 700 nm to 1350 nm for multimode modules.

The fine-tuning step can be as low as 0.002.

The lists of available values are built on the Settings tab (refer to

Customizing the Wavelength and Fine-Tuning Step Lists on page 22).

To select a wavelength and a fine-tuning step:

1. Click the Instrument function tab.

2. Under Wavelength, use the up/down arrows to select the wavelength,

and click .

3. Under Fine-Tuning Step, use the up/down arrows to select the

fine-tuning value.

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Exfo IQS-3150 Variable Attenuator for IQS-500/600 Uživatelský manuál Strana 38