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1010
Marker Function
Band/Interval Power
Turns on the Band/Interval Power function for the selected marker. If the selected marker is off it is
turned on in
Normal marker and located at the center of the screen.
When
Band/Interval Power is selected while in the Marker Function Off state, the Band Span or
Interval Span is initialized to 5% of the screen width.
If the detector mode for the detector on the marker’s trace is set to Auto, the average detector is selected.
If the Average type is set to Auto, Power Averaging is selected. Other choices for the detector or Average
type will usually cause measurement inaccuracy.
Band/Interval Density
Turns on the Band/Interval Density function for the selected marker. If the selected marker is off it is
turned on in
Normal marker mode and located at the center of the screen.
When
Band/Interval Density is selected while in the Marker Function Off state, the Band Span or
Interval Span is initialized to 5% of the screen width.
See “More Information” on page 1011.
See “What is band/interval density? ” on page 1011
Key Path Marker Function
Example CALC:MARK:FUNC BPOW turns on marker 1 as a band power marker.
CALC:MARK2:FUNC? returns the current setting of marker function for
marker 2. In this case it returns the string: BPOW.
CALC:MARK:Y? returns the y-axis value of the Band Power function for
marker 1. Note that the delta value when the Y axis unit is Watt is the square
of the delta value when the Y axis unit is Volt. For example, when the percent
ratio with Y axis unit in Volt is 0.2, the percent ratio with Y axis unit in Watt
will be 0.2
2
= 0.04. When you read the value out remotely you have to know
whether your Y Axis Unit is log (dB), linear (V or A), or power (W).
Notes See the description under the ““Marker Function” on page 1007
” key, above.
Dependencies Fixed markers: It is not possible to change the Band Function for a Fixed
marker; so all of the Band Function keys are grayed out for a Fixed marker.
Couplings If the detector mode for the detector on the marker’s trace is set to Auto, the
average detector is selected. If the Average type is set to Auto, Power
Averaging is selected.
If the selected (specified) marker is off, selecting Band Power via front panel
or SCPI will turn the marker on.
Initial S/W Revision Prior to A.02.00
Key Path
Marker Function