Understanding/Using Macros in MSD Chemstation

I am by no means a computer expert nor do I have extensive knowledge/experience in writing macros, but does anyone have any suggestions on where to find some simple macros to use for GC/ECD analysis of pesticides/pcbs with MSD Chemstation... I see our chemstation software has a folder with macros and a bunch of what appear to be macros... however, there's no indication what each macro is or what function it performs.  How can I decipher such info?

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