A system and method for providing visual feedback to a user of an exercise machine for gauging fitness progress of the user. The receiver has at least one matched filter and at least one frequency matched filter. In response, the NBA sends reply messages to each network device to test the behaviors of the NATs respectively. The multimedia data having a first resolution and the supplemental data are combined, to provide the multimedia content at a second resolution that is higher than the first resolution. Correlating the aggregated samples identifies transactions which have been pending the longest and identifies tables and segments in the database which have a relatively high number of pending transactions. The main body of the ring, outward of the inner circular edge, is transversely arced along the full annular length thereof, providing a convex upper surface and a concave lower surface with the lower surface forming a continuous recess about the body.