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R3131 Spectrum Analyzer Operation Manual

3.3.14 MKR Key (Marker)

LOW: Performs the next peak search for all the peaks under

the display line. The display line can be adjusted from

this setting.

2/2, more Returns to the Peak (1) menu.

Sig Track ON/OFF To ggl es the signal track function on or off.

ON: Sets the marker frequency to the center frequency for

each sweep, after performing the peak search for the

same peak.

OFF: Turns off the signal track function.

Sound Displays the Sound menu, and demodulates the sound at the

marker.

Sound AM/FM Togg les between AM and FM demodulation.

Volume Allows you to set the demodulated sound volume. You can set the

sound volume from a range of 1 to 16.

MKR Pause Time Allows you to set the duration of the pause used during demodu-

lation.

Squekh ON/OFF Togg les the squelch function on or off.

ON: Displays the squelch line which indicates that sound

carrier levels below this line are not demodulated. The

squelch line can be adjusted when the squelch function

is activated.

OFF: Removes the squelch line, and turns off the squelch

function.

Sound Off Turns off the sound demodulation function.

Marker Off Turns off all marker functions.

1/2, more Displays the Marker (2) menu.

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ADVANTEST R3131 Series User Manual

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