Using
the
4
USER
5
K
ey
The
user
keys
access
a
special
set
of
analyzer functions that are designed to facilitate
measurements. With the help of
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DEFINE USR KEY
, you can build a set of user softkeys of
your design. Use the user softkeys when your measurements require repeated use of the same
functions. The contents of the user-key menu do not change when the analyzer is preset with
the
4
INSTR PRESET
5
key or when power is cycled.
Presetting the User Softkeys
A preset group of softkeys facilitate the construction of menus for special measurements.To
view the factory-preset user softkeys, press
4
USER
5
. If the softkeys do not match those shown
in Figure 1-10, your menu of user softkeys has been modied.
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PRESET USER
eliminates
unprotected custom softkeys and reinstates the preset user softkeys (see following note).
CA
UTION
Pressing
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PRESET USER
removes unprotected custom softkeys.Ifyour
instrument contains diagnostics or personalities (such as scalar measurement
softkeys), these softkeys are erased when
N
N
N
N
N
N
N
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PRESET USER
is pressed.
Example
1-2.
Preset
user-key
menu.
Press
4
MENU
5
N
N
N
N
N
N
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Misc
N
N
N
N
N
N
NNNNNNNN
MORE
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key control
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PRESET USER
Figure 1-10. Preset User Softkeys
Creating a Custom Menu of User Softkeys
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DEFINE USR KEY
draws functions from the
4
MENU
5
softkeys.For example,addthe
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limit lines
softkey to the user menu as follows:
Example 1-3.
Transfer an analyzer softkey to the user-key menu.
Press
4
MENU
5
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Misc
Overview 1-23