A child positioning insert including a frame with a first column and a second column, where the first and second columns are positioned vertically. The vegetable food product includes a head of lettuce, a container of dressing or condiment disposed within a cored opening in the head of lettuce, and a wrapper around the head of lettuce. A fading profile may be determined for each packet. Provided the determining decides to switch, the sampling rate is switched for at least the first affected voice channel. The measurement device uses the code signals to calibrate one or more of the correlation equations.