If you need a (graphical), I can describe how to draw one, or you can generate it using Excel with frequency on X-axis and channel number on Y-axis.
Detailed technical charts and PDF manuals for all models can be found on the Comtek Downloads page .
By mastering these charts, you ensure that every listener—whether they are hard of hearing, non-native speaking, or just sitting in the back row—hears the message perfectly.