A warm welcome ‘l2oss’ to the Subsim family.
You will always find someone here to help you.
Link to my SH5 – SH4 posts:
Step By Step Tutorials & How To Do It
Also Included Are Some Useful Download Links
http://www.subsim.com/radioroom/showthread.php?t=211804
Check the icons at the top of the screen and open the little button/s?
The XO can be turned on and off from there.