The SPDIF interface is an interface and no audio converter, it sends out whatever PCM signal format you send in, meaning that since a 24/192 can't be handled by a Meridian processor you need to chose another track. Or downsample it on a computer to 24/96.

HD621, G98DH, G68ADV, Bc Acoustiqe ACT A3, 5200C DSP33, NuForce Reference 9 monoblocks, 2x SB3's, Velodyne DD-15 & DD-12 Subwoofers and a Meridian sub.