We will be glad to help you but there are a few things that need to be clarified.

1. What kind of lnb do you have? I cannot find a listing or any information for a DMX941u lnb.

2. What is the 5150-6000 c band setting supposed to be? I have never seen this setting before, but 5150 is a common c band lnb l.o. setting. I do not know what you are trying to do with 5150-6000 as a c band lnb setting.

3. What are you wanting to do with the receiver? The Gekko is very versatile with lnb settings and there are several ways to configure a c/ku lnb in the Gekko if a c/ku lnb is what you actually have. EB