Larson Davis System 824, Техническое справочное руководство

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4-20 824 Reference Manual 9/29/09
Step 6
Press
c
to select FLT as the new SLM Weighting
For the purpose of continuing with this example later in this
chapter, please do not press any keys.
Although we will not do this in the present example, we
could highlight Detector noting that it is presently “SLOW”,
press
r
to open a window listing the SLM Detector
selections, highlight “FAST” and press
c
to select it as the
new SLM Detector.
Regardless of the Instrument Type, one can modify any of
the available parameters by selecting the proper Setup menu
item, then the proper sub-menu item, then making a
selection and pressing
c
.
Once one or more modifications have been made, the user
can follow one of three procedures:
• Setup
S
will close the menu, remembering its location
the next time it is opened.
• Use the right
l
arrow key to step out one menu at a
time.
• Press
v
power to close the menu and reset the menu
position.
In either case, the instrument will be ready to perform a
measurement. The major difference is that the second
method, backing out by a sequence of
l
keys, possibly
interspersed with
u
and
d
keys, leaves a memory of the
path used to withdraw.
To better understand what happens when we back out of the
Setting menu structure using repeated presses of
l
,
consider the following diagram illustrating the actions which