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16-6

Marker Commands

Y2Position

Returned Format [:MARKer:Y1Position] <Y1_position><NL>

Example This example sets the Y1 marker to 10 mV.

10 OUTPUT 707;":MARKER:Y1POSITION 10E-3"

Y2Position

Command :MARKer:Y2Position <Y2_position>

This command sets the Y2 manual marker position and moves the Y2 manual marker to the

specified value on the specified source if the Y2 marker is in manual state. <Y2_position> is

the current measurement unit value at Y2.

Query :MARKer:Y2Position?

The query returns the current measurement unit level at the Y2 marker position.

Returned Format [:MARKer:Y2Position] <Y2_position><NL>

Examples This example sets the Y2 marker to –100 mV.

10 OUTPUT 707;":MARKER:Y2POSITION -100E-3"

YDELta?

Query :MARKer:YDELta?

This query returns the current measurement unit difference between Y1 and Y2 if they are

both on and both have the same source. If not, 9.999999E+37 is returned.

Vdelta = value at Y2 – value at Y1

Returned Format [:MARKer:YDELta] <value><NL>

<value> Measurement unit difference between Y1 and Y2.

Example 10 OUTPUT 707;":SYSTEM:HEADER OFF"

20 OUTPUT 707;":MARKER:YDELTA?"

YUNits

Command :MARKer:YUNits {VOLT | OHM | REFLect}

This command sets the units for vertical display in TDR and TDT applications. The units may

be in volts, ohms, or % reflection. The marker mode must be TDRTDT to use this feature.

Query :MARKer:YUNits?

This query returns the current marker units setting.

Returned Format [:MARKer:YUNits]{VOLT | OHM | REFLect}<NL>

Example 10 OUTPUT 707;":MARKER:YUNITS OHM"

Agilent Technologies 86100C Programmer's Guide

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