Nokia RM-509 User Manual

Figure 40 Backlight and illumination concept
Hall sensor
This fold form factor device has a hall sensor (N2460) that is used to detect open/close state of the phone.
The hall sensor is mounted on the bottom side of the main board, and it operates together with a small
magnet fitted to the upper block.
The output signal from the hall sensor is active low (0V), and 1.8V when it is not active.
Figure 41 Hall sensor design
RM-509; RM-510; RM-511
System Module
Issue 2 COMPANY CONFIDENTIAL Page 5 –17
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Nokia RM-509 Specifications

General

Brand	Nokia
Model	RM-509
Category	Cell Phone
Language	English