Altech Auto Security AL7024S manual Audio Commands

AL7024S Quick Start Manual

3.7Audio Commands

The AL7024S Module have a Microphone and a Speaker pin which can be connected to an externally headset. You should set AT+MAPATH according your application. (See below)

Command		AT Manual pages	Function
AT+MAPATH		Sets analog audio paths.	For the AL7024S, set AT+MAPATH=1,2 (Headset-
			mic.) and AT+MAPATH=2,2,1 (Headset-spkr for
		P. 231	voice.) Set alert, ring etc according your needs.
AT+MAVOL		Volume setting, p.235	See “developer’s guide” for details. Only audio-output
			on AL7020S is connected to headset-speaker.
AT+CMUT		Microphone Mute	Mutes/unmutes currently active microphone-input.
		Control, p.230
AT+MAMUT		Input devices mute, p.	Muting of every input-device can be controlled
	239
		Features Selection, p.	Features can be switched-on and off as
AT+MAFEAT			Echo cancellation
	238		Noise cancellation
			Sidetone
AT+CLVL		Loudspeaker-volume p.	The volume of internal speaker can be controlled.
	243.
AT+VTD		Set DTMF Tone	DTMF commands. To send number “1”: AT+VTS=1
		Duration, p. 227
			Only single digits can be transmitted with this
AT+VTS		Send one DTMF
			command
		number, P.228

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