Neo_WM620 WCDMA Module AT Command SetCopyright © Neoway Technology Co., Ltd 30AT+MICL?+MICL:3OKQuery the current level of the MICvolume.AT+MICL=?+MICL: (0-6)OKQuery the value range of MIC volume.Remarks The setting of this command is not saved after the module is powered off.4.11 Echo Control: +ECHODescription To enable, disable, and modify the echo cancellation function during a callFormat AT+ECHO=e> AT+ECHO?<CR> AT+ECHO=?<CR>Parameter : 0 to 60 Vocoder Echo Cancellation Off1 Ear Seal Echo Cancellation2 Head Set Echo Cancellation3 AEC4 Speaker Echo Cancellation for car kit operation5 Bluetooth earphone Echo Cancellation (not supported)6 Default Echo Cancellation for current path settingsReturnValueOK+ECHO: OK+ECHO: (0-6)OKERRORExample AT+ECHO=0OKDisable the echo cancellationfunction.AT+ECHO=8ERRORThe command is incorrect. The valueset is beyond the parameter valuerange.AT+ECHO?+ECHO: 0OKQuery the current settings.
