Nokia 9110 Service Manual
PAMS
Technical Documentation
RAE–2
Accessories
Page 13 – 9
Original 02/99
Handset HSU–1
The main function of the HSU–1 Audio Handset is to form an electroa-
coustic interface between the user and the phone environment.
coustic interface between the user and the phone environment.
HSU–1
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.
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.
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.