Thermo Scientific V.22/212A, Руководство пользователя

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AT&Xn The Sync TX CLK Mode Command determines the clock signal for transmissions
when the modem is in synchronous mode (refer to the AT&M and AT&Q
commands). The values for "n" are defined as follows:
0 modem uses an internal clock.
1 modem uses an external clock from the computer.
2 modem uses an external clock from a remote modem.
AT&Yx The Designate Default User Profile Command selects one of the two user
configuration profiles stored in non-volatile memory as the default configuration
profile during power-up. The value of "x" is 0 or 1 for user profile #0 and user
profile #1, respectively.
AT&Zn=s The Store Dialing String Command stores the dialing string "s" into one of the four
memory location in non-volatile memory location "n" (0-3). Refer to ATDs for
dialing string variables.
NOTE
Before the Store Dialing Command is issued, install the
configuration jumper J8 (Memory Write-Enable Jumper).
WARNING:
WHEN CONFIGURATION JUMPER J8 IS INSTALLED
AND THE STORE COMMAND IS ISSUED, THE
EXISTING DATA STORED IN THE DESIGNATED
MEMORY LOCATION OF THE NON-VOLATILE
MEMORY IS DESTROYED.