Kenwood TS-480 manual Apo

PF keys	48	Assign PF keys on the	You can assign functions to the PF
		control panel	keys on the control panel as detailed in
			the separate table.
	49	Mic PF1 key	You can assign functions to the PF
			keys on a multifunction mic as detailed
	50	Mic PF2 key
			in the separate table.
	51	Mic PF3 key
	52	Mic PF4 key
Split	53	Split frequency transfer	Transfer modes/frequencies between
frequency			compatible transceivers. Useful when
	54	Permit to write #54 to target
			one is being used as a slave receiver.
transfer
		VFOs
TX inhibit	55	TX inhibit	Inhibits TX, which is useful if the
			transceiver is to be used for RX only as
			it prevents unintentional transmissions.
PC data rate	56	COM port communication	Select 4800～115200bps.
		speed
External	57	DTS polarity	In data communications this switches
devices			the logic for transmission. You should
			match polarity to the external device
			you are using.
TX inhibit	58	Busy lockout	You can select BSY lockout to inhibit
			transmission when busy.
APO	59	APO (auto power off)	Power can be switched off
		function	automatically in the absence of any
			operations.
VOX source	60	Select input for VOX	Select either the mic or the data input
			for VOX activation. Standby wiring may
			not be required provided that the
			method used is compatible with data
			communications. (Be careful to ensure
			correct TX delay.)

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