HP 41cv - surveyor needs help please

[Joe F]

Help! I'm a land surveyor, and I use my 41cv with survey module for traverse and curve solutions mostly. I just had to replace my batteries after 5 years - and lost my keys I had set to go right to Trav and curve programs. I have checked on line and all the instructions I see are past what I remember as to setting up these keys. I remember I had the Trav program set up where all I had to do was hit shift and the letter T - and I was in the program. For curves, it was shift and the letter R.
Can someone help me get my 41 cv back to where I can get this set up like it was before?
Many thanks, and my apologies for being a bit brain-dead about this today.