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Marathon Compatibility Settings*


The compat settings are located on the left side of the base.

They are only of use when in LIFTER MODE.

A - G settings.

D is the most common setting. This is how it comes set out of the box.

As with any headset, if D is not working, test all the different compat settings.

PLEASE NOTE - Cisco phones should be on compat A in the headset jack and D in the handset jack.

Hi, I'm Kyle!

I manage this blog. Feedback, comments, complements, criticisms, or any other questions? I'll take them all!

Kyle Newgent
Headset Blogger