Handset Hsu-1; Introduction; Technical Summary; Use Of Handset - Nokia HSU–1 Technical Documentation Manual

After Sales
Technical Documentation
Handset HSU–1

Introduction

Main function of the HSU–1 Audio Handset is to form an electroacoustic
interface between the user and the phone environment.

Technical Summary

The HSU–1 Audio Handset consists of handset with coil cord and of
cradle. In the handset there is earphone and microphone with corre-
sponding amplifiers. There is also a simply interface for controlling these
functions. Electronics consist of DG–1 handset module. Mechanical di-
mensions are small and mechanics consists of A–cover, B– cover and coil
cord with the cradle. The HSU–1 Audio Handset has a volume potentiom-
eter.

Use of Handset

The HSU–1 Audio Handset is designed to be a dummy handset with no
display and no keyboard. Its use is to form an electroacouistical connec-
tion between the user and DCT – environment. When not in use the
handset is on the cradle. During the use the handset is lifted from the
cradle and audio paths are opened.
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Handset HSU–1
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