Operation Manual

25
Preliminary Procedures
LED indicators
Identifi cation symbols
Yellow LED - GPS signal status
OFF • T tracker off or GPS receiver switched off
ON • T waiting GPS
blinks every second • T poor signal level (2D FIX)
blinks every 4 seconds • T high signal level (3D FIX)
Green LED - GSM network status
OFF • T tracker off or connected to the USB port
blinks every second • T network search in progress
blinks every 4 seconds • T suffi cient signal strength
2 blinks every 4 seconds • T GSM/GPRS data communication in progress
Red LED - battery status
OFF • T tracker off or battery completely charged
blinks every 2-3 seconds • T battery discharged
ON • T battery charging in progress
NOTE: The 3 LEDs remain continuously ON during tracker fi rmware update.