- 18 -
XXXXX should be in five digits and in unit of 10 seconds.
XXXXX=00000, to turn off this function;
XXXXX=00001~65535, time interval for sending GPRS packet and in unit of 10 seconds.
In this example, the tracker will send every 600 seconds (10 minutes).
For more information regarding GPRS tracking please refer to <GPRS Communication Protocol>
Sleep Mode
W******,021,XX###
W000000,021,02###
Remarks: this setting is for power saving.
XX=00 turn off sleep mode
XX=01 Level I
XX=02 Level II
### is the ending character
Here is some explanation for the sleep mode. First, assume that the GPS acquisition time is ONE minute.
[1] In Level I
The GPS module will be working for the first three minutes (i.e. 3 times of acquisition time) and then shut down for ONE minute
(i.e. equivalent to acquisition time), and then work again for another three minutes……
[2] In Level II
The GPS module will be working for the first two minutes (i.e. twice of acquisition time) and then shut down for ONE minute (i.e.
equivalent to acquisition time), and then work again for another two minutes……
Power Down
W******,026,XX
W000000,026,10
Remarks: to set power down mode when the tracker is inactive for a period of time.
In Power Down mode, GPS stops working and GSM enters sleep and stop sending out message until it is activated by message,
incoming calls or triggered by buttons.
XX=00, to turn off this function.
XX=01~99, to turn on Power Down after a specified period of being inactive. It is in unit of minute.
In this example, the tracker will enter power down mode after it is inactive for 10 minutes.
Listen (Voice Wiretapping)
W******,030,T
W000000,030,88888888
Remarks: T is the telephone number for wiretapping and max. 16 digits.
This is an optional function which requires an external microphone.
Correct Time Difference
W******,032,T
W000000,032,480 W000000,032,-120
Remarks: Default time of the tracker is GMT. You can use this comment to correct it to your local time. This command is for SMS
tracking only.
T=0, to turn off this function.
T=[1, 65535] to set time difference in minute to GMT.
For those ahead of GMT, just input the time difference in minute directly. For example, GMT+8, W000000,032,480
‘-‘is required for those behind GMT. For example, W000000,032,-120.
Set SMS Initials
W******,033,P,Char
W000000,033,1,help
Remarks: this command is to set initial characters for SOS message when SOS/IN1, Button B/IN2, Button C/IN3 is pressed.
P=1, SOS button/Input1
P=2, B button/Input2
P=3, C button/Input3
Char is the character in SOS message and max 32 characters and defaulted as:
1 SOS Alarm!
2 Cry For Help!
3 Call The Police!
