MTD2000 AT Command Guide R12
Confidential
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Note: Start gyro calibration.
17.2 Dead Reckoning Calibration Accuracy – AT$GA
This command allows user to find out the accuracy of speed tick and gyro calibration.
The device will return 0% if it does not support dead reckoning.
Note:
For the device without dead reckoning, it will send out unsolicited response to indicate
dead reckoning not supported.
Syntax
Command
Response
AT$GA or AT$GA?
Note: Query setting.
OK
$GA: <Speed>,<Gyro>
Parameters
Speed
Speed tick calibration accuracy in terms of percentage (0 to 100%)
Gyro
Gyro calibration accuracy in terms of percentage (0 to 100%)
Example
Command
Response
AT$GA?
Note: Query dead reckoning calibration accuracy
(with dead reckoning).
OK
$GA: 80,90
AT$GA?
Note: Query dead reckoning calibration accuracy
(without dead reckoning).
OK
$GA: 0,0
