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Programming Commands
DISPlay Subsystem Commands
:DISPlay[:WINDow[1]]:TRACe:Y1|Y2[:SCALe]:RLEVel
Specifies the power value of the reference level. Default units are set by the
UNIT:POWer command for Y1 and the UNIT:RATio command for Y2. Y1 refers
to the dBm (power) scale, and Y2 refers to the dB (ratio) scale.
Note: The units sent must match the specified Y axis, for example, dBm for Y1
and dB for Y2.
The maximum value for the power reference level is the equivalent of +300 dBm. The
minimum value is –300 dBm. The Preset value for the power reference level is
instrument dependent.
The maximum value for the ratio reference level is 270 dB. The minimum value is
–330 dB. The Preset value for the ratio reference level is 0 dB.
Syntax
: D I S P l a y [ : W I N D o w [ 1 ] ] : T R A C e : Y 1 | Y 2 [ : S C A L e ] : R L E Ve l
: D I S P l a y [ : W I N D o w [ 1 ] ] : T R A C e : Y 1 | Y 2 [ : S C A L e ] : R L E Ve l ?
Reference Level
Related Key
:DISPlay[:WINDow[1]]:TRACe:Y1|Y2[:SCALe]:RPOSition
Selects the position at which the reference level is displayed. The top and bot-
tom graticule lines correspond to 10 and 0, respectively. The default is 9. Y1
refers to the dBm (power) scale, and Y2 refers to the dB scale. To change the
axis, normalization has to be either on for Y2 or on Y1.
Syntax
: D I S P l a y [ : W I N D o w [ 1 ] ] : T R A C e : Y 1 | Y 2 [ : S C A L e ] : R P O S i t i o n
: D I S P l a y [ : W I N D o w [ 1 ] ] : T R A C e : Y 1 | Y 2 [ : S C A L e ] : R P O S i t i o n ?
(Amplitude Level Position) Reference Level Position
Related Key
6-72
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