Nokia NSB-9 Service Manual page 53

CCS Technical Documentation
cause the HookInt comparator output to change state, in this case from 0 to 1. The but-
ton can be used for answering incoming calls and then ending them. The button can be
used for initiating outgoing calls, if voice tags are saved for dialing.
Hookint
MICB2
UEM
MIC2P
MIC2N
Issue 1 04/03
Figure 11: External microphone connection
Nokia Corporation
System Module and User Interface
XMICP
EMC/ESD
Components
XMICN
NSB-9
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