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Low Voltage Cutoff and Alarm circuit help needed

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Flash

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Hello again,
I am still trying to figure out a circuit that will
cutoff voltage from a battery when the voltage reaches 9v, also have it have an audible alarm warning sound.

With help from user on1aag I was pointed to this datasheet of this IC ICL7665S

https://www.electro-tech-online.com/custompdfs/2008/11/fn3182.pdf

within this datasheet it gives a few circuit examples to try.

I spotted one i would much like to make.

It is voltage cutoff and warning circuit on page 10.

here is the info about it.

**broken link removed**

I would like to know how to determine the resistor values for my project.?

Also I do not believe I am getting this method.
could someone explain it a bit more?

If you also know a better circuit to do this could you please share.?

thank you all for your time and assistance.

Brian
 
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