User Guide
Page 1
... V to group mode, press and hold D-CALL while turning on the radio. 21-1936 Thank you press BOOST while using alkaline batteries, TXHI appears instead of BOOS and the range is not boosted. Your radios transmit and receive General Mobile Radio Service (GMRS) and Family Radio Service (FRS) frequencies. Does not work when a headset is used by RadioShack...
... V to group mode, press and hold D-CALL while turning on the radio. 21-1936 Thank you press BOOST while using alkaline batteries, TXHI appears instead of BOOS and the range is not boosted. Your radios transmit and receive General Mobile Radio Service (GMRS) and Family Radio Service (FRS) frequencies. Does not work when a headset is used by RadioShack...