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Signalling circuit, Circuit description, 2. low battery warning – Kenwood TK-480 User Manual

Page 19: 3. key input, 1. encode • low-speed data (qt,dqt,ltr), High-speed data (dtmf), Fig. 12 encode

Signalling circuit, Circuit description, 2. low battery warning | 3. key input, 1. encode • low-speed data (qt,dqt,ltr), High-speed data (dtmf), Fig. 12 encode | Kenwood TK-480 User Manual | Page 19 / 55 Signalling circuit, Circuit description, 2. low battery warning | 3. key input, 1. encode • low-speed data (qt,dqt,ltr), High-speed data (dtmf), Fig. 12 encode | Kenwood TK-480 User Manual | Page 19 / 55