User Guide

NSM–3/3D
UI Module
PAMS Technical Documentation
Page 13
Issue 3 11/2000
 Nokia Mobile Phones Ltd.
Buzzer
Alerting tones and/or melodies as a signal of an incoming call are gener-
ated with a buzzer that is controlled with a PWM signal by the MAD via
UISWITCH. Also keypress and user function response beeps are gener-
ated with the buzzer. The buzzer is a SMD device and is placed on the
mother board. Target for SPL is 100dB (A) at 5cm.