DS-SHADOW-2.doc
2008 REG No 277 4001, ENGLAND.
Page 13
T
HE
S
HADOW
T
RACKER
COMPLETE
GPS
TRACKING
SYSTEM
10. Troubleshooting Guide
Shadow Tracker LED indication
Indication
Conditions
LED display
Limited Service
Red Light Flashing
Service
No Service
Red Light On permanently
GSM + GPS not fixed
Blue Light Flashing
GSM + GPS fixed
Turquoise Light Flashing
GPRS + GPS
Orange Light Brief Flash
GPRS + GPS fix mode
Green Light Brief Flash
Tr GPS not fixed
Orange Light Brief Flash
Mode
Tr GPS fix
Green Light Brief Flash
Battery Low
Green/Red Lights Flashing
Battery Charging
Red Light Flashing
Battery
Battery Full
Green Light On permanently
11. Technical Specification
(specification for GSM base Station can be found using the link in Section 4)
Shadow Tracker
GPS
Item
Description
Specification
Chipset
GSW3
SiRF Star III technology
Frequency
L1,1575.42Mhz
C/A Code
1.023 MHz chip rate
General
Channels
20
10 meters, 2-D RMS
Position
5 meters 2-D RMS, WAAS
Velocity
0.1 meters/second
Accuracy
Time
Within 1us of GPS time
TTFF
Reacquisition
0.1 sec av.
Hot Start
1 sec Typical
Warm Start
35 sec Typical
Open Sky and Stationary
requirements
Cold Start
42 sec Typical
Altitude
1800m
Velocity
515m/s
Dynamic Conditions
Acceleration
4g max
GSM
Item
Description
Specification
GSM Tri Band
900/1800/1900MHz
Class 4
2W @ 900Mhz
Air Interface
Class 1
1W @ 1800/1900MHz
Data interface
GPRS Mutlislot
Class 12
GRPS
Coding Scheme
CS1 ~ CS4
