48Setting ModesFT-891 Operating ManualCW SETTINGThis setting mode is used for the CW mode functions.MULTIKnob FunctionSPEED Press Rotate the MULTI function knob to adjust the CW sending speed (4 -60 wpm).ZIN Press Automatically zero-in the receive frequency to match the received CWsignal.Press and hold The CW tone is output from the speaker.APF Press• Activate the receiver APF (Audio Peak Filter) function, the adjustmentpop-up screen will appear. Rotate the MULTI function knob to set thesound volume to a comfortable level (± 250 Hz), then press the MULTIfunction knob to close the pop-up screen.• Press the MULTI function knob to turn the APF (Audio Peak Filter)function OFF.PITCH Press Rotate the MULTI function knob to adjust the PITCH (300 - 1050 Hz).KEYER Press Enable/Disable the built-in Electronic Keyer.BK-IN Press Enable/Disable the CW “Semi break-in” operation.NOTE: For details, refer to the Advanced Manual (download from the Yaesu website).
