Acquiring Waveforms
CSA7000 Series, TDS7000 Series, & TDS6000 S eries Instruments User Manual
3-67
3. Spray the clean compressed air on the connectors to remove any loose
particles or moisture.
4. Moisten a clean optical swab with isopropyl alcohol, and then lightly swab
the surfaces of the connectors.
5. Spray the clean compressed air on the connectors again to remove any loose
particles or isopropyl alcohol.
6. Blow clean compressed air through the UCI adapter before replacing it.
The Vertical Setup menu lets you access the optical wavelength and the Dark
Level compensation procedure. This menu is shown in Figure 3--20 on
page 3--68. Wavelength and Dark Level menus are not available unless the O/E
Electrical Out-to-CH1 Input adapter is installed.
Select the Optical Wavelength appropriate for the signals with which you are
working. Optical conversion gain is set appropriately for the wavelength you
select.
Before performing dark level calibration, remove your optical signal from the
input and cover the optical input. Select Dark Level Calibration to start the dark
level compensation. Follow the displayed instructions to complete the compensa-
tion. For more information, consult the instrument online help.
Execute a signal path compensation of the instrument as soon as the instrument
has reached operation equilibrium (that is, after a 20 minute warm-up). Initiate
compensation from the Utilities menu Instrument Calibration command. For
more information, see Optimizing Measurement Accuracy on page 3--171.
Compensation of the instrument also performs an optical dark level compensa-
tion.
Wavelength, Filter, and Bandwidth Selection
CSA7000 Series: To select the optical wavelength, use the Vertical Setup menu.
This menu is shown in Figure 3--20 on page 3--68. Wavelength and Dark Level
menus are not available unless the O/E Electrical Out-to-CH1 Input adapter is
installed.
Optical Dark
Compensation
Compensation
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