[. . . ] 2 Mark frequency on an adhesive type and stick it to the receiver housing so that it can be seen through the window at the front panel of the RS 20. [. . . ] 2 Mark frequency on an adhesive type and stick it to the receiver housing so that it can be seen through the window at the front panel of the RS 20. Hint: For adjusting AF - level and squelch you have to remove the front panel at the E K 2012. Note: The RS 20 incorporates two independent power supplies: One for receivers 1 to 3 and a second for receivers 4 to 6. The channel to be monitored may be selected with the channel selector switch. Data BNC - socket, unbalanced, 50 n 3 - pin XLR - connector, balanced, floating AF - level 2 to 20 mV at nominal swing, adjustable nominal load 200 n 6, 3 mm jack, output level: 0 to 2, 5 V adjustable; load", 47 n 2 x 3 dry batteries LR 20, type alcaline manganese approx. Power supply Operating time with six receivers Weight (with six receivers, six trans mitters and batteries) Dimensions in mm (w x d x h) We reserve the right to alter specifications, For technical data of transmitter [. . . ] Data BNC - socket, unbalanced, 50 n 3 - pin XLR - connector, balanced, floating AF - level 2 to 20 mV at nominal swing, adjustable nominal load 200 n 6, 3 mm jack, output level: 0 to 2, 5 V adjustable; load", 47 n 2 x 3 dry batteries LR 20, type alcaline manganese approx. [. . . ]