I keep it simple, Hal. I use a Yamaha FC-7 Volume pedal, that is set for the 3 Upper Voices Only, and a very old Roland DP Sustain Pedal (the one with the rubber bass that opens out for your heel to keep it in place), The Sustain is set for the 3 Upper Voices Only as well.

I've learned to use the sustain with my left foot so I can work the volume pedal with my right, due to spending many years playing organ.

You'll probably find quite a few varied setups and pedal recommendations, but these are what I've used for quite some time and i'm quite happy with the setup.

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.