User guide

File Name: MEITRACK VT310 User Guide Creator: Cavana Cheung
Project: VT310 Creation Date:
Update Date:
2010-08-26
2012-08-02
Sub Project:
User Guide
Page:
- 20 - of 30
Revision: V7.4 Confidential: External Documentation
Copyright © 2012 Shenzhen Meiligao Electronics Co., Ltd. All rights reserved.
- 20 -
18. Track Log
18.1 Log by Interval
Command: W******,031,X
Description Set time interval for logging GPS information. Log information is stored within the device memory. When the memory
gets full, the newest record will be overwritten on top of the oldest (FIFO - First In, First Out). In this case, only the newest
information is stored.
Note:
1. X=0, to turn off this function. X=[1, 65535] to set interval in the unit of SECOND.
2. The logged message is in GPRMC format and includes:
Date and time
Longitude
Latitude
Speed
Direction
3. All data, stored within the memory, may be exported to the PC using the USB connector. To do this, the “GPSLog” program has to
be used (please refer to GPSLog User Guide and GPRS Communication Protocol for more information).
4. The device has 4MB of internal memory space for storing the track log. The Device is able to store up to 180,000 records within
the memory.
Example:
W000000,031,60
The tracker will store GPS data every 60 seconds.
18.2 Auto Log when no GPRS
When there is no GPRS connection, the tracker can store all GPS information triggered by preset tracking interval, alarms, request,
or button activation and send this information (FILO - First In, Last Out) to server by GPRS or preauthorized mobile phone by SMS
when GPRS connection recovers.
The interval memory can store up to 1500 SMS and 4600 GPRS message.
18.3 Format Buffer
Command: W******, 503
Description: This command clears the data stored in the buffer.
Note: Deleted data can no longer be recovered
Example: W000000,503
19. Power Down