Command Descriptions
TDS3000, TDS3000B, and TDS3000C Series Programmer Manual
2-115
either on or off; there is no intensity modulation. Gated XYZ is useful for
showing constellation diagrams.
Display
DISplay:XY:ZCHannel{?|CH2|CH3|CH4}
DISplay:XY:ZCHannel?
<CH2 - CH4> specifies which channel to use as the Z channel source.
DISPLAY:XY:ZCHANNEL CH2
sets oscilloscope channel 2 as the Z channel source in gated XYZ mode.
DISplay:XY:ZLEVel
Specifies the Z channel threshold level to enable XY gating in gated XYZ mode.
Display
DISplay:XY:ZLEVel <NR3>
DISplay:XY:ZLEVel?
<NR3> sets the Z channel threshold level. Z-channel signals above the threshold
are true and open the XY signal gate; Z-channel signals below the threshold are
false and close the XY signal gate. The gating channel is always a high-true
logic; to emulate a low-true logic, invert the Z-channel signal.
DISPLAY:XY:ZLEVEL 1.2E0
sets the Z channel threshold level to 1.2 volts.
*ESE
Sets or returns the bits in the Event Status Enable Register (ESER). The ESER
prevents events from being reported to the Status Byte Register (STB). For a
more detailed discussion of the use of these registers, see page 3--1.
Status and Error
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