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GSM Data Modem AT Command Guide - Scotec - GiSMo Modem

GSM Data Modem AT Command Guide - Scotec - GiSMo Modem

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5.14 Speaker & Microphone selection +SPEAKER5.14.1 DescriptionThis specific command is used to select the speaker and the microphone set.5.14.2 Syntax :<strong>Command</strong> syntax :<strong>Command</strong><strong>AT</strong>+SPEAKER=Possible responses<strong>AT</strong>+SPEAKER=0OKNote : Speaker ONE and Micro ONENote : <strong>Command</strong> valid<strong>AT</strong>+SPEAKER? +SPEAKER: 0OKNote : Speaker ONE and Micro ONE are active5.14.3 Defined values :0 : SPEAKER ONE, MICRO ONE1 : SPEAKER TWO, MICRO TWO5.15 Echo Cancellation +ECHO5.15.1 Description :This specific command is used to enable, disable or configure the Echo Cancellation functions forvoice calls (in rooms, in cars, etc.).It is necessary to tune the Microphone gain (<strong>AT</strong>+VGT) and the Speaker gain (<strong>AT</strong>+VGR) beforeactivating the Echo Cancellation.5-34

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