User manual

Chapter 2 Command System RIGOL
DS4000E Programming Guide 2-77
Remarks
 In the track mode, when Cursor B (X cursor) is adjusted horizontally, Cursor B (Y cursor) will
automatically track the vertical amplitude of the waveform of the corresponding track source channel
at Cursor B (X cursor).
 For the vertical position of Cursor B (Y cursor), refer to the :CURSor:TRACk:CBY command.
Return Format
The query returns the Y value in scientific notation. When the Y value at Cursor B (Y cursor) exceeds the
screen range, the query returns 9.9e37.
:CURSor:TRACk:CAX
Syntax
:CURSor:TRACk:CAX <ax>
:CURSor:TRACk:CAX?
Description
Sets or queries the horizontal position of Cursor A (X cursor) in the track mode of cursor measurement.
Parameter
Name Type Range Default
<ax> Integer 0 to 699 150
Remarks
 The horizontal position of the cursor is defined by the pixel coordinate of the screen. The range of the
pixel coordinate on the screen horizontally is from 0 to 699 (from left to right).
 When X is selected as the track axis (refer to the :CURSor:TRACk:AXIS command),
the :CURSor:TRACk:CAX <ax> command is invalid.
Return Format
The query returns an integer between 0 and 699.
:CURSor:TRACk:CAY
Syntax
:CURSor:TRACk:CAY <ay>
:CURSor:TRACk:CAY?
Description
Sets or queries the vertical position of Cursor A (Y cursor) in the track mode of cursor measurement.
Parameter
Name Type Range Default
<ay> Integer 0 to 399 300
Remarks
 The vertical position of the cursor is defined by the pixel coordinate of the screen. The range of the
pixel coordinate on the screen vertically is from 0 to 399 (from top to bottom).
 When Y is selected as the track axis (refer to the :CURSor:TRACk:AXIS command),
the :CURSor:TRACk:CAY <ay> command is invalid.
Return Format
The query returns an integer between 0 and 399.