Customising keyboard shortcuts in Endnote 9

Hi there, 

I've just installed Endnote 9 (upgrading from endnote 7)
and am now in the process of attaching files to all my
references. 

This is rather laborious without a keyboard shortcut to the
'Insert object' command. I've been unable to find any
info on how I might be able to assign a keyboard shortcut to
this command. Is it possible?

Thanks for your assistance
monica

Monica Barratt
PhD Candidate
National Drug Research Institute
Curtin University
GPO Box U1987
PERTH  WA  6845
t: +61 8 9266 2735
f: +61 8 9266 1611
m: +61 407 778 938
e: monica.barrattpostgrad.curtin.edu.au