Check the box next to Perform RPM Normalization on ChIP-Seq Peaks to divide all the ChIP-Seq and miRNA peak signal values by the total number of mapped reads divided by one million.
To apply this transformation to an existing ArrayStar project, open the Edit Data Transformations dialog by selecting Data > Edit Data Transformations from any ArrayStar view. You may also apply RPM normalization in the Set Up Preprocessing step of the Project Setup Wizard.