
GMT00 @Track Air Interface Protocol
TRACGMT100AN001 – 20 –
3.2.5. Digital Output
The AT+GTOUT command is used to output specified wave shape from the digital output ports.
Total three wave shapes is supported as below. If set to wave shape 1, the device will maintain this
wave shape at the specified output port after power reset.
Wave shape 1:
<Duration> = 0ms, <Toggle Times> = 0
Figure 2: Wave Shape 1
Wave shape 2:
<Duration> = 500ms, <Toggle Times> = 1
Figure 3: Wave Shape 2
Wave shape 3:
<Duration> = 800ms, <Toggle Times> = 3
Figure 4: Wave Shape 3
AT+GTOUT=
Example:
AT+GTOUT=gmt100,1,0,0,0,,,,,,,,,,0004$
'0' – '9' 'a' – 'z' 'A' – 'Z'
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