The MX980 is a one-way remote. You may get feedback from other dimmers back to the PC, but what good does it do you. If you are short on budget, and want two-way control, consider using another remote along side the MX-980. Like this one...
[Link: leviton.com]The one way control from the MX-980 to the URC dimmer allows for a fade-on and fade off.