Operational manual for the li 3900-2 dx

I am in need of the operational owners manual for the cobra li 3900-2 dx.They are great and my 8 year old grandson loves them but we have no manual any ideas?

Here is a link to the manual.
http://www.buytwowayradios.com/Products/Cobra/manuals/LI-3900-DXVP-manual.pdf