How about this?
http://www.ukmidlandscanner.co.uk/r5rev.htm
About half-way down, read the paragraph that starts
"I have to be really honest here and admit that I found it very hard going to program this scanner at first. "
(I wish I hadn't started researching this... I'm soooo tempted to upgrade my ancient AR 1500 to an icom icr-20...)