Peavey PRO COMM U1002 Operating Manual page 14

(3) Mount the receiver(s) into a standard 19" rack as illustrated in Fig. 7.
NOTE: To ensure best possible reception, the receiver must be installed at least 3'
(.914m) above the ground. In addition, the distance between the transmitter and
receiver must be more than 3'(.914m) as illustrated in Fig.8.
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