FARGO electronic Maestro 900 - Manual (Page 22)

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6. KNOWN ISSUES
The Fargo Maestro Value Added Feature will affect certain other AT commands’ operation. Please
note :
6.1 AT+WIND command
1. AT+WIND command will be disabled (Fargo Maestro 100 only)
6.2 Saving of parameters to non-volatile memory
1. You cannot save the settings of the following AT commands by concatenating the &W
command (Fargo Maestro 100 only):
AT+CREG
AT+CGREG
AT+CGEREP
To save the above settings please enter AT&W separately.
Please read also Chapter 7 for other issues.