Using the Optical Spectrum Analyzer

The System Menus

5Press the Wavelength Limit softkey. Toggle ON to limit the span to the specified range of 600 to 1700 nm. When this function is OFF, the start wavelength of the OSA can be tuned down to 350 nm, and the stop wavelength can be tuned up to 2000 nm.

Note

The performance of the OSA is not specified and the amplitude is not calibrated outside the 600–1700 nm range.

To set the TransZ 2 - 3 Lock

1Press the front-panel System key.

2Press the More System Functions.... softkey.

3Press the Service Menu.... softkey.

4Press the Adv Service Functions.... softkey.

5Press the More Adv Service Menu.... softkey.

6Press the TransZ 2 - 3 Lock softkey.

Setting the TransZ 2-3 Lock to ON prohibits the instrument from using a tran- simpedance gain higher than 10k ohms. This ensures that there is sufficient video bandwidth for making accurate pulsed measurements. This is useful for EDFA pulsed testing. The Preset state for TransZ 2-3 Lock is OFF.

To set multi-point alignment

1Press the front-panel System key.

2Press the More System Functions.... softkey.

3Press the Service Menu.... softkey.

4Press the Adv Service Functions.... softkey.

5Press the More Adv Service Menu.... softkey.

6Press the Multi-Point Align softkey.

Multi-Point Align is an advanced service function that requires a broadband white light source. This function is to be used by HP service personnel.

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