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2-14
Making Measurements
Changing the Units and Measurement Rate
To change the measurement speed
1 Press the Setup key.
2 Press the MORE softkey.
3 Press the UPDATE softkey.
4 Select either NORMAL or FA S T .
Continuous or single measurements
The Agilent 86120C continuously measures the input spectrum at the
front-panel OPTICAL INPUT connector. Whenever measurements are
being acquired, an asterisk (*) is displayed in the display’s upper- right
corner. When you switch between normal and fast update modes, the
rate that the asterisk blinks changes.
You can specify that the instrument perform a measurement only when
the front-panel Single key is pressed. This is the single-acquisition
measurement mode, and it is useful for capturing and preserving data.
After capturing the data, you can display it using many of the proce-
dures included in this chapter. You can return to continuous measure-
ment mode at any time by pressing the Cont key.
To select single measurement acquisition
• Press the Single key.