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Lab Exercise: Commands

Registers, Objects, and Tables

147

4) To integrate the chromatogram, use the command IntegrateObj. Type:

IntegrateObj ChromReg[1] <enter>

Draw 2,ChromReg[1]<enter>

5) Access scalar variables(numbers) from the object header using ObjHdrVal.

To obtain the vial number which is stored in the object header type:

VialNum=ObjHdrVal(ChromReg[1],"vial") <enter>

Print VialNum <enter>

6) To add more clarity in a macro you may modify the above to:

Print "The vial number is",VialNum <enter>

Note: The vial number is zero in this case. The data was originally acquired

on a 1090 which does have a zero vial position.

7) Access string variables (text) in the object header with the function

ObjHdrText$. Note that the variable name for a string variable must end in

the $ sign. Try obtaining the signal description.

Signal$=ObjHdrText$(ChromReg[1],"signalDesc") <enter>

Print Signal$

8) To obtain the information as above, you must know the name of the text or

scalar variable. There are two functions which can help you obtain this

information:

ObjHdrName$(Register,Index)

retrieves the item name from the object and

ObjHdrType(Register, Item$)

determines if the object is a string, scalar, or table variable.

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Agilent Technologies All Instrukcja Naprawy Strona 155