Yaesu FT-817 Operating Manual

Also see for FT-817 -: Brochure & specs Operating manual Technical supplement Manual Modification Instructions

35FT-817 Operating ManualTone Search ScanningIn operating situations where you don’t know the CTCSS tone being used by anotherstation, you can command the radio to listen to the incoming signal and scan in searchof the tone being used.To scan for the CTCSS tone in use:1. Press the key momentarily, then rotate the knob, as needed, until Oper-ating Function Row 12 [TCH, DCH] appears on the display.2. Press the (TCH) key to activate CTCSS Encoder/Decoder; (the “ ”icon will appear on the display) and start scanning for the incoming CTCSS tone.3. When the radio detects the correct tone, it will halt on that tone, and audio will beallowed to pass.4. Press and hold in the (TCH) key for one second; the CTCSS tone detectedwill be stored as the “current” tone, so it may be used for memory storage pur-poses, and you may now exit to normal operation.FM T RANSMISSIONTRANSMITTER O PERATION