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Figure 75 External earpiece and microphone circuitry (AV connected on the right)
Internal earpiece
Internal earpiece is used for the HandPortable (HP) call mode. The earpiece capsule is connected to Avilma
ASIC’s differential output EarP and EarN.
RM-356
System Module and User Interface
Page 6 –32
COMPANY CONFIDENTIAL
Issue 1
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