Selling Un RDS Dual ‘The rack mount unit RMU 40 PRO Is available ‘separately 25 an accessory. Setting lin Dina Fitting the receiver in a 19" rack. Leave one unit apse free between two receivers in the rack. Transmitters Indianan Setting Un Setting Ln Setting lp Transmitted Attach body pack transmitter to a belt with the battery ‘compartment facing away from the body. Switch on receiver (1) and transmitter (15). Gannet Assignment Connect receiver to the mains.