MEITRACK T622 GPRS Protocol
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X6: indicates the message ID sent from the Garmin navigator to the platform;
hexadecimal; contains up to 16 characters.
X7: indicates the message to be sent; Unicode hexadecimal character string; contains up
to 398 characters (199 bytes).
X8: indicates the serial port number of the Garmin navigator. X8 = 1: serial port 1; X8 = 2:
serial port 2.
Applicable Model
T622
Example
GPRS Sending
$$l105,866699027509340,D75,302480F5,015787A6,06CC5FBB,03335C8B,08,000000AD,
0042006800670068006700680074,02*FF\r\n
GPRS Reply
@@l28,866699027509340,D75,OK*68\r\n
3.62
Sending Messages to the Garmin Navigator – D76
GPRS Sending
D76,X1,X2,X3,X4,X5
GPRS Reply
D76,OK/<
Error code
>
Description
X1: indicates the time when a message generates; 32-bit unsigned integer;
X2: indicates the message length; hexadecimal
X3: indicates the message ID; hexadecimal; contains up to 16 characters. If the message
ID already exists, the command fails to be sent.
X4: indicates the message to be sent; Unicode hexadecimal character string; contains
up to 398 characters (199 bytes).
X5: indicates the serial port number of the Garmin navigator. X5 = 1: serial port 1; X5 =
2: serial port 2.
Applicable Model
T622
Example
GPRS Sending
@@n85,866699027509340,D76,30245BED,8,0191E7B6,0046005300440046005300460
04400530046,2*B6\r\n
GPRS Reply
$$n28,866699027509340,D76,OK*33\r\n
3.63
Obtaining Garmin Navigator Info – D77
GPRS Sending
D77,Y1
GPRS Reply
D77,X1,X2,X3,X4,X5,X6