Calibration Process Flow; Compass Digital Values, Limit Values - Nokia NPL-4 Series Manual

Nokia Customer Care
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
Copyright © 2005 Nokia Corporation. All rights reserved.
Issue 2 05/05
System Module and User Interface
NPL-4/5/
Page 63