Yes, there are 5 softkeys on the DCS Remote. Most of them are sounds.
You always have 4 and an arrow or "More" showing, hit S5 for the next 4, ect.
When you hit More it opens a menu, scroll to what you want and press the thumbwheel to play it.
you can also re order the sounds to get the ones you like early in the list. I do this on all my engines. Scroll to the desired sound, hit MOVE, scroll to desired slot, press the thumbwheel to set location.
You will also find things like Track Voltage, signal, Odometer readings, Maintenance, and Mode commands there. I place those at the end of the list.
I always put the whistle sounds first, 2 hoots, 3 hoots, Crossing series, then others.
I strongly recommend you get Barry's DCS Companion book, comes in pdf or softcover. It will tell you things about DCS you would never find otherwise.
The Book is available on the MTH website.
I STILL Say they should pay Barry and include it in every DCS System.
PS you can hit the PSA button while moving slowly and get a better sequence, the engine will stop after you hit the DIR button so you can have sounds coming into station and stop at the right spot. Then near the sequence end it starts moving at the prior speed until the Sequence ends and the sounds stop. The train is then back in normal DCS control.