The Rotary Knob; Operating The Ola; Example Of An Application Display - Agilent Technologies HP E5574A User Manual

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Figure 1-4
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Introducing the HP E5574A Optical Loss Analyzer

Operating the OLA

When changing a numerical parameter, you can use these keys to
move the cursor.

The Rotary Knob

The rotary knob performs like ↑ / ↓. It is especially useful if you
want to increment or decrement a highlighted parameter value
quickly and conveniently.
Operating the OLA
In general, the OLA is operated by means of the softkeys. Each
application comes with its own set of softkeys.
For example:

Example of an Application Display

The display shows not only the measured parameters and value(s),
but also the current measurement conditions, which can be changed
at the touch of a softkey.
If you want to measure the same parameters at head B or at another
optical wavelength, simply press the corresponding softkey below
the screen.
However, there are some exceptions to the rule.
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