Alpha Telecom UTA120, User Manual

Page: 30 / 55

CHAPTER 6: AT Command Set
UTA120 User’s Guide
22
3. Factory profile - a series of settings which store four sets of operating parameters
commonly used for data communication.
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These profiles are stored in Flash ROM.
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They can be loaded to replace the current active profile via the command
“ AT&Fn ” where n=0,1,2, or 5.
PROBLEMS IN COMMAND EXECUTION
If your UTA120 did not execute a command line, make sure the following is
correct:
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You are in the Command Mode and your command line follows the format
described in the section entitled, “ Guidelines for Using AT Commands ”.
Ø
Verify your COM port speed matches any one of the following speeds:
230400, 115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200, or 600bps.
Ø
Type “AT” and press the ENTER key. This will lead to a response of “OK”. If
not, type “AT&F0” and press ENTER key. If your UTA120 still does not
respond, its connection with your computer may have a problem or your
software’s COM port and/or IRQ was incorrectly set.
Ø
To ensure you have properly installed your UTA120 and the application
software, please review the installation instructions in Chapter 2 .
DESCRIPTION OF AT COMMANDS
A/
= Command Repeat
Format A/
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“A/” is used to repeat the previous command line.
+
You can use the “ A /” command to re-dial a telephone number.
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This is the only command that does not require the AT prefix and the ENTER key.
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The previous command remains in the command buffer until either the next
command is entered or the UTA120 is powered off.
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If the previous command line does not exist, an “OK” message will be displayed.