This is an inquiry message about "2.4ghz TG-461S transmitter and SM-RG661 receiver" in the 107th China Canton Fair. (这是一条买家关于"2.4ghz TG-461S transmitter and SM-RG661 receiver"的询盘信息,来自第107届中国广交会。)Inquiry Message (询盘信息) 2.4ghz TG-461S transmitter and SM-RG661 receiver Could you email me a pdf booklet on how to use the 2.4GHz TG-461S 4 channel transmitter and the SM-RG661 6 channel receiver please. I specifically require information on the battery connections (polarity) to the receiver and the function of the dip switches on the battery compartment of the transmitter I hope you can assist me with these questions, thanking you in anticipation. regards from Graham I want to receive: Product Spec . Contact Info (联系信息) Gibson Innovations Graham Gibson grahamrgibson@hotmail.com 61-3-9761 0094