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Page IV-99
180 DSP Operation Manual
Signal Level Meter
Peak Hold
Select the Peak Hold softkey as shown in
the image to the right to enable peak hold
for the return spectrum measurement.
Select the On button from the Peak Hold
pop-up menu and the blue peak hold
trace will start to appear on the screen
over the green live trace.
To reset the peak hold trace, select the
Peak Hold softkey again and then select
the Reset button from the Peak Hold
pop-up menu. The blue peak hold trace
will momentarily disappear and then start
again.
To turn of the peak hold trace, select the
Peak Hold softkey again and then select
the Off button from the Peak Hold pop-up
menu. The blue peak hold trace will no
longer be displayed.