Chapter 4
Front-Panel Key and SCPI Command Reference
Measurement keys
249
Front-Panel Key and SCPI Command
Reference
4.4.9.1.3 Ratio Reference
If AM depth is to be displayed relative to a reference, enter the value as a ratio reference using this key.
4.4.9.1.4 Ratio Mode
The ratio and previous ratio functions permit any measurement result to be scaled to a reference. The reference
may be either a measurement result or a keyboard entry.
The Log/Linear key enables measurement results to be displayed in linear or logarithmic units. For purposes of
discussion, % for AM is treated as absolute unit. When the instrument display dB as relative unit, annunciator
REL is added to the display.
Key Path: Amplitude Y Scale
Remote Command: :DISPlay:MODSinad:RREFerence <rel_ampl>
:DISPlay:MODSinad:RREFerence?
:DISPlay:MODSinad:RREFerence:AUTO 0|1|OFF|ON
:DISPlay:MODSinad:RREFerence:AUTO?
Preset: 0.00 dB
State Saved: Saved in instrument state.
Min: 0.00 dB
Max: 200.00 dB
Example: :DISP:MODS:RREF 10 dB
:DISP:MODS:RREF?
:DISP:MODS:RREF:AUTO OFF
:DISP:MODS:RREF:AUTO?
Key Path:
Amplitude Y Scale
Remote Command: :DISPlay:MODSinad:RMODe LOG | LINear
:DISPlay:MODSinad:RMODe?
Preset: LOG
State Saved: Saved in instrument state.
Range: Log | Linear
Example: :DISP:MODS:RMOD LOG
:DISP:MODS:RMOD?