http://www.midlandradio.com/.../225.pdf
Index: For Models G-225 & G-227 GMRS/FRS ... • • • • • • • • ... 22 Channels 38 CTCSS codes VOX Monitor function Call Alert ... Accessories Accessories order form Introduction FCC ... 4 5 6 6 7 8 9 10 11-18 19-20 21 22 23 ... Operation Problems & Solution Frequency and CTCSS Charts ...