R3131 Spectrum Analyzer Operation Manual
3.3.11 LEVEL Key (Frequency Level)
3.3.11 LEVEL Key (Frequency Level)
This section describes the menu displayed when the LEVEL key is pressed.
Ref Level Allows you to set the reference level.
A T7' AUTOIMNL Togg les the input attenuator between AUTO and MNL.
AUTO: Automatically sets an optimum input attenuator in ac-
cordance with the reference level setting.
MNL: Allows you to set an input attenuator within a range of
0 to 50 dB (in 10 dB step). Setting the attenuation to 0
dB is possible only by using the numeric keys.
dB/div Displays the dB/div menu which is used to set the graduation of
amplitude scale (vertical axis).
10dB/div Sets the amplitude scale graduation (vertical axis) to 10 dB/div.
SdBldiv Sets the amplitude scale graduation (vertical axis) to 5 dB/div.
2dB/div Sets the amplitude scale graduation (vertical axis) to 2 dB/div.
1dB/div Sets the amplitude scale graduation (vertical axis) to 1 dB/div.
Linear Displays the reference level data between 0 V and the REF level
on a linear scale (in volts).
Units Displays the Units menu which sets the units used for the refer-
ence level, the display line and the marker level.
dBm Sets the unit to dBm.
dBmV Sets the unit to dBmV.
dl3µV Sets the unit to d13µV.
Watts Sets the unit to W.
Volt s Sets the unit to V.
3-26
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