Hi, 
What I am looking at with the spectrum analyzer, in other words what am hoping it will look like
is there a right wave and a wrong wave, what should it look like ?
I've never used one before !!
 
Thanks
John
 
 

The spectrum analyzer just shows you which frequencies are in the sound that is being played. There is no right or wrong. That's decided by your ears. It can help isolate a frequency (range) if you know roughly what you're looking for but that's about it - your ears should always get final say.

Thanks for the reply Sanderxpander, I thought that, I just thought I may be missing something !!

One of the uses learningwise is comparing the frequency content of commercial tracks of the same style to your own ones.
Also, if your monitoring/acoustics isn't good enough, you can get visual feedback of the, say, lowest end, which your system can't reproduce reliably.

Although there is technically right answer, there are things you will learn to look for.  A well mastered song will usually look fairly flat. Huge peaks and valleys on a complete song is typically a sign something is very wrong.  In extreme cases like a huge valley between 400-800hz on a vocal track will likely sound odd.  Being able to visually see this helps to zero in on exactly where the problem lies.
 
Another practical use is comparing individual tracks among sounds occupying similar frequencies.  Kick drums and Bass guitars often overlap, causing both to sound muddy.  A quick comparison in an analyzer can give you a sense of how to eq one or both to allow them lay in mix better.