ZyXEL U-336R User Guide - Page 104

Command Options Function & Description Ref. I1 Display product information and ROM checksum I2 Display modem link status report I12 Display physical layer status Ln n=0-7 Speaker volume control. The higher S24.5-7 4 * the value, the higher the volume Mn Speaker control S21.1-2 M0 Speaker always OFF M1 * Speaker ON until call is answered M2 Speaker always ON M3 Speaker ON after the last digit is dialed out and OFF when carrier is detected Nn n=0-7 Ring volume control.'N0' will disable S24.1-3 5 * the audio ring function O Return to on-line state O1 Force modem to request a retrain Qn Result code displayed S23.7 Q0 * Modem returns result code Q1 Modem does not return result code Q2 Modem returns result code but quiet S40.1 after answering on a RING (see also S42.2) Sr.b=n Set bit 'b' of S-register 'r' to value 'n'. 'n' is a binary digit '0' or '1' Sr.b? Display value of bit 'b' of S-register 'r' Sr=n Set S-register 'r' to value 'n'. 'n' must be a decimal number between 0 and 255 Sr? Display value stored in S-register 'r' 90 AT Command Set Summaries