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3-6 ENTERING DATA Before proceeding to the various modes of signal generator operation,
you need to know how to enter data from the front panel. Entering
data refers to changing a parameter’s value by editing its current
value or entering a new value to replace the current value. The follow
-
ing instructions describe how to (1) open a parameter, (2) edit its cur
-
rent value, and (3) enter a new value.
A typical 681XXC menu display (below) is used throughout the data
entry instructions. At this menu display, you can edit both the CW fre
-
quency and the output power level parameters.
If you wish to follow along on your 681XXC, you can obtain this same
menu display by resetting your instrument (press SYSTEM , then
press Reset ).
Opening the
Parameter
In order for the value of a parameter to be changed,
the parameter must first be opened.
To open the frequency parameter from the above
menu, press Edit F1 . The menu display now
changes to show that the menu soft-key Edit F1 has
been pressed and that the frequency parameter has
been opened. An open parameter is indicated by
placing it in a window with a movable cursor under
its digits.
Only one parameter can be open at a time. If you
press Edit L1 then the frequency parameter will
close and the power level parameter will open.
3-18 681XXC OM
LOCAL (FRONT ENTERING
PANEL) OPERATION DATA