Most likely, the answer is yes.
Depending on which device you're set up for (VTR 1, 2 or 3), you'll use device code 0033, 0035 or 0032.
The "Advanced Code" for toggling display is 286.
Check out
www.hifi-remote.com for all the Sony codes, and how to build a $20 box to program the 15-1994 through your PC.
—næstep