Over The Air Test Command (TEST)
The
$TEST command can be send by SMS, RS232 or TCP. We recommend that this command is
used after every installation, BEFORE the installer leaves the vehicle / site.
The format of the $TEST response starts with TEST: and is followed by:
Line Description
Comments
1
Device model
e.g. AT200
2
Firmware version number
e.g. 4.0.41.0
3
IMEI
15 digits, e.g. 357322042745742
4
Network operator name
e.g. Orange UK
5
External input voltage
In Volts followed by percentage of power present over last 7 days,
e.g. PWR:12.5V (99%)
6
Battery level
As a percentage, e.g. BAT:100%
7
GPS status (% availability)
OK, ERR or JAM followed by percentage, e.g. GPS:OK (95%)
8
GPRS status (% availability)
OK, ERR or N/A if errors in any above status, e.g. GPRS:OK (98%)
9
APN connection status
OK, ERR or N/A if errors in any above status, e.g. APN:OK
10
TCP socket status
OK, ERR or N/A if errors in any above status, e.g. SKT:OK
11
TCP ack status
OK, ERR or N/A if errors in any above status, e.g. ACK:OK
12
Ignition inactivity
OK or ERR, e.g. IGN:OK + current state of IGN
13
Immobilisation output state
ON or OFF
Some example responses are shown below:
Example 1: device with no errors/problems:
TEST:AT200
4.0.41.0
357322042745742
O2 UK
PWR:12.5V (100%)
BAT:100%
GPS:OK (95%)
GPRS:OK (98%)
APN:OK
SKT:OK
ACK:OK
IGN:OK (OFF)
IMOB:OFF
Example 2: device with a GPS problem:
TEST:AT200
4.0.41.0
357322042745742
Orange UK
PWR:12.5V (100%)
BAT:100%
GPS:ERR (12%)
GPRS:N/A (98%)
APN:N/A
SKT:N/A
ACK:N/A
IGN:OK (OFF)
IMOB:OFF
