R&S FSH3 Using Limit Lines
¾ Depending on the application, press the UPPER
LIMIT or LOWER LIMIT softkey.
The R&S FSH3 displays a list of available limit lines. If
no limit line is switched on, the first value in the list is
marked. If a limit line has been switched on, the cursor
is on the selected item. If no limit lines are stored in the
R&S FSH3, NO LIMIT LINES is displayed.
The unit of the limit line and the unit currently set on
the x axis must be identical. The domain is marked
next to the line name in the list to indicate the unit of
the individual limit lines.
freq Frequency (spectrum
measurements)
time Time (zero span measurements)
dist Distance
(DTF = distance-to-fault measurements)
It is also indicated whether the limit lines are assigned to absolute frequency, time or distance values
(abs) or whether they are specified relative the center of the x axis (rel). In the last column, the unit
used for the limit line is displayed.
Switching on a limit line:
¾ Select the desired limit line from the list by means of the cursor keys or the rotary knob.
If the selected limit line does not match the unit
currently selected on the x axis, the message "The unit
of the limit line doesn't match the unit of the
measurement" is displayed on the R&S FSH3. The
limit line is not switched on.
¾ Press SELECT to switch on the chosen limit line.
Switching off a limit line:
¾ Press the LIMIT OFF softkey to switch off the limit line.
Exiting the list of limit lines:
¾ Press the EXIT softkey to close the list of limit lines.
1145.5973.12 4.79 E-6
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