GLOBALSAT TR-206 - Manual (Page 37)

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4.2 Acknowledgement
Acknowledgement is the acknowledge receipt used to confirm if server or
device receive the command or report from each other.
Code
word
Parameters Value Description
A0
Send confirmation to server
after receiving command
from server
1/0
1=Enable
0=Disable
A1
Wait confirmation from
server after sending
message to server
1/0
1=Enable
0=Disable
Confirmation message="ACK\r"
A2
Timeout of waiting
confirmation from server
u8
0~255
Default=5
A3 Device Ack with ID string 1/0
A4 ID string is IMEI or device ID 1/0
1=IMEI, 0=Device ID
Available when A3=1
The confirmation message from the device is defined in the table below.
A0 A3 A4 Confirmation message
0 x x No confirmation required
1 0 x “ACK\r”
1 1 0 ”Device ID, ACK\r”
1 1 1 ”IMEI, ACK\r”
Note: “Device ID” is defined by O5.
For example, set A0=1, A1=1, A3=1, A4=1, server sends command to TR-206
whose IMEI is 011412000010789. After receiving the command, TR-206 will
send acknowledgement receipt as “011412000010789,ACK\r”
For example, set A0=1, A1=1, A3=1, A4=0 and O5=Globalsat. After receiving
command, TR-206 will send acknowledgement receipt as “Globalsat,ACK\r”
For example, set A0=1, A1=1, A3=0. After receiving the command, TR-206 will
send acknowledgement receipt as “ACK\r”