Sky box signal

[Vipers]

Quick question, sky is working fine, but I noticed the signal indicator does fluctuate during the week. Question is:-

Is the blue bar the strength, so it's pretty low, albeit it works fine, or is the white bar the strength so it's very good, just wondering for information.

[Vipers]

Cheers guys, found out once when the misses opened the bedroom window, it blocked the signal, took a while to figure out.

The dish was next to it and with the window open it blocked the signal, doh.......