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Chapter 11 - AT Command Set Summaries
11-2
Command Options Function & Description Ref.
M2 Speaker always ON
M3 Speaker ON after the last digit is dialed out and OFF
when carrier is detected
N
n
n=0-7
5 *
Ring volume control.'N0' will disable the audio ring
function
S24.1-3
O Return to on-line state
O1 Force modem to request a retrain
Q
n
Result code displayed S23.7
Q0 * Modem returns result code
Q1 Modem does not return result code
Q2 Modem returns result code but quiet after answering on a
RING (see also S42.2)
S40.1
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'
T Ton dial S23.1
UPX Download firmware to the Flash EPROM usin Xmodem
protocol
V
n
Sets display type for Result Codes S23.6
V0 Display result code in numeric form. (See also S35.7 and
the result code table of 'ATXn')
V1 * Display result code in verbose form.
X
n
n=0-7
5 *
Result code options, see the Options Table S23.3-5
Z
n
n=0-4 Reset modem and set power-on profile. S15.5-7
Zn Reset modem and load user profile n (0-3).
Z4 Reset modem and load factory settings.
$ Basic command summary help