R3131 Spectrum Analyzer Operation Manual
3.3 Menu Function Descriptions
3-27
data) and the level correction data settings.
ANT: Sets the antenna factor, and automatically sets the unit
used for the vertical axis to dBµV/m.
LVL: Sets the level correction data, and sets the unit for the
vertical axis to the level you have previously chosen.
Any other antenna factors than those chosen by the user
are considered invalid, so the displayed unit will
automatically be dBµV/m.
Clear Table Clears the correction data table.
Corr Off No longer uses the correction data.
Sound Displays the Sound menu, and demodulates the sound at the
marker.
Sound AM/FM Toggles between AM and FM demodulation.
Volume Allows you to set the demodulated sound volume. The volume
can be set from a range of 1 to 16.
MKR Pause Time Allows you to set the duration of the pause used during
demodulation.
Squelch ON/OFF Toggles the squelch function on or off.
ON: Displays the squelch line which indicates that the sound
carrier level below this line is not demodulated. The
squelch line position can be adjusted under this setting.
OFF: Removes the squelch line, and turns off the squelch
function.
Sound Off Turns off the sound demodulation function and displays the EMC
menu.
Apr 10/98
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