Exfo IQS-3150 Variable Attenuator for IQS-500/600 Uživatelský manuál stáhnout pdf (Strana 40)

Setting Up Your Variable Attenuator

34 IQS-3150

Control Center Settings and Controls

Defining an Offset Value

The offset value is not applied to a particular wavelength. It does not affect

the filter attenuation. It can be used to compensate for the loss generated

elsewhere in the system.

To define an offset value:

1. Click the Instrument function tab.

2. Under Offset, enter de desired value in the box and click to accept

the value.

Note: The offset values must be between -99.999 dB and 99.999 dB. The

attenuation value is positive; therefore, when the offset value is positive,

the displayed attenuation increases.

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Exfo IQS-3150 Variable Attenuator for IQS-500/600 Uživatelský manuál Strana 40