Setting Attenuation Levels; Specifying The Wavelength - Tektronix OA 5000 Series User Manual

This button assigns the
ATTENUATION display to
either absolute units or
units relative to the
reference level.
Use this button to assign the
knobs to adjust the
wavelength.
Specifying the
Wavelength
OA 5000 Series User Manual
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Setting Attenuation Levels

Because the OA 5000 automatically adjusts the attenuator to correct for
different wavelengths, it is important, for attenuator accuracy, to correctly
match the displayed wavelength with the wavelength of the signal going into
the unit.
Setting attenuation levels on the OA 5000 requires you to perform two
procedures in the following order:
1. Specify the wavelength of the signal to be attenuated.
2. Set the level of attenuation.
Refer to Figure 2-3.
REMOTE MODE
SET REF
ADDR WAVE-
(SET) LENGTH
Figure 2-3: Setting Attenuation Levels
To specify the wavelength to be attenuated:
Step 1: Press the WAVELENGTH button.
The word SEt will appear in the attenuation display and the WAVE-
LENGTH button will illuminate.
DISABLE
MIN ATT
STORE 1 RECALL 1
STORE 2 RECALL 2
COARSE
FINE
This button sets
attenuation to the
minimum
value.
These knobs set the
attenuation level,
reference level,
wavelength and GPIB
address.
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