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Chengdu Ebyte Electronic Technology Co.,Ltd.
"0"，WGS84
Example：
$PGKC269,0*3E<CR><LF>
7.2.20 Query Reference Coordinate System
Command： 270
Query Reference Coordinate System
Arguments：None
Example：
$PGKC270*2A<CR><LF>
7.2.21 Return Reference Coordinate System
Command： 271
Return to the reference frame (response to command 270)
Arguments：
Arg1：Refer to 269 Commands
Example：
$PGKC271，0*37<CR><LF>
7.2.22 Query RTC time
Command： 279
Query RTC time
Arguments：None
Example：
$PGKC279*23<CR><LF>
7.2.23 Return RTC time
Command： 280
Return RTC time（response to command 279）
Arguments：
Args：
Refer to 278 Commands
Example：
$PGKC280,2017,3,15,12,0,0*15<CR><LF>
7.2.24 Set the speed threshold
Command： 284
Set the speed threshold, when the speed is lower than the threshold, the output speed is 0
Arguments：
Arg1：
Threshold value
Example：
$PGKC284,0.5*26<CR><LF>
Note: The speed unit is m/s. If the speed is set to a negative number, the command will not take effect, and the original speed threshold
output will be maintained.
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E108-GN User Manual
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