MTD2000 AT Command Guide R12
Confidential
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16 Speed and Mileage Command
16.1 Over Speed Detection – AT$OS
This command will set the speed threshold for over speed detection. When the speed
exceeds the high speed threshold, the over speed flag in the event table will be set.
When the speed falls below the normal speed threshold, the over speed flag in the
event table will be cleared.
Note:
The device will return ERROR if user sets the high speed threshold equal or less than
the normal speed threshold.
Syntax
Command
Response
AT$OS=<Mode>[,<High Speed>,<Normal Speed>]
Note: Write setting.
OK
AT$OS?
Note: Query setting.
OK
$OS: <Mode>,<High Speed>,<Normal Speed>
Parameters
Mode
0 – Disable
1 – Enable
Default is 0 (Disable)
High Speed
High speed threshold in km/h (10 to 300 km/h) to trigger high
speed alert condition. Default is 100 km/h.
Normal Speed
Normal speed threshold in km/h (10 to 250 km/h) to clear
high speed alert condition. Default is 60 km/h.
Example
Command
Response
AT$OS=1,110,50
Note: Set speed threshold.
OK
AT$OS?
Note: Query high speed setting.
OK
$OS: 1,110,50