Nokia 5140 Manuales De Servicio
Nokia Customer Care
System Module and User Interface
NPL-4/5
Issue 1 05/04
Copyright © 2004 Nokia Corporation. All rights reserved.
Page 63
Figure 23: What Happened on Calibration (Track on x/y Plane while rotating)
Calibration process flow
Set phone to flat surface, far away from metals and magnetic fields
Set calibration mode on
Gently rotate phone until SW says “success or not”
•
Speed 10s/ round
•
Phone must be in all the time on same horizontal level
•
Check compass functionality after calibration
If calibration is not successfully, try again
If calibration fails again, change place
•
Try to find more magnetically undisturbed place
Compass digital values, limit values
Note: Sensitivity
•
0.5mGauss /digit (raw digit on x and y channels)
Limits:
Min x and min y