Needing a little help with a new GMRS radio and use of a local repeater. I am in Greenville, SC. Licensed GMRS "WQNF353" for several years, but really never used GMRS frequencies. Interested in setting up so I can speak and work with several friends using a network around Greenville. AM aware of a local repeater which is set to transmit on 462.725 and the repeater recieves on an offset of 5 megahz . I don't know if a tone is required and need help figuring out if and how to use. Using a Baofeng UV-5x3 and have the radio set to send and recieve using the offset. The local repeater is owner is ZULU725 and I need to know how to get in touch with owner off frequency. Have attempted a call to his sign but thinking I might be needign a "tone" to set his repeater to "ON" Any helpful ideas are appreciated.