Chapter 3 203
Mode
Return Loss
Mode
Autoscale
Executes an automatic scaling of the
Reference Level setting. Autoscale is a display-only
function and has no SCPI command.
Ref Level
Sets the reference level value used for amplitude measurements. The reference level is the
amplitude power ratio represented by the top graticule line on the display. Changing the
value of the reference level changes the amplitude ratio of the top graticule line. The
reference level (in dB) can be set with the step keys, knob, or numeric keypad.
Scale/Div
Sets the logarithmic units per vertical graticule division on the display. This function is
available only when the
Scale Type key is set to Log.
Mode SA
Key Path
AMPTD Y Scale, Autoscale
Mode SA
Preset 0 dB
State Saved Saved in State
Min –150 dB
Max 100 dB
Key Path
AMPTD Y Scale, Ref Level
Mode SA
Preset 1 dB / Div
State Saved Saved in State
Range 1 to 20
Key Path
AMPTD Y Scale, Scale/Div
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