Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 604)

Audio Commands
Play tone +WTONE
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WM_DEV_OAT_UGD_049 - 001 VOLUME 4 August 23, 2007
<gain2>: tone gain for the <freq2>
same values as <gain>
<duration>: tone duration (in 100 ms units)
0-50 default value if omitted: 0
When <duration>=0, the duration is up to 21 minutes, and
the tone can be stopped by AT+WTONE=0
21.16.4 Parameter Storage
None
21.16.5 Examples
Command Responses
AT+WTONE=1,1,300,9,50
Note: Play a tone
OK
Note: Started
AT+WTONE=0
Note: Stop playing
OK
Note: Done
AT+WTONE=1,1,300,9,50,600,9
Note: Play a tone with 2 frequencies (allowed
only with the speaker)
OK
Note: Done
21.16.6 Notes
The "OK" is received as soon as the tone playing has started. As long as the tone has
not been entirely played, trying to send a new one will result in receiving a "+CME
ERROR: 558" and the new tone will not be played.