Instruction Manual

9
Features
 Main Unit
 Phase Differential Acoustic System
This device is equipped with Phase Differential Acoustic System
(PDAS in short) and its feature as below:
 Noise Reduction
 Echo Suppression
 Wind Noise Reduction
The directional microphone receiver designed to subtract the noise,
and echo suppression
from other directions and to make hearing
impairment person listen more clearly.
Besides, the hearing aid microphone detects the impact of the wind
blowing across the hearing aid microphones and reduces the
amplification of it.
 Earphone- OGS
This earphone is equipped with OGS (Open
Guided Sound) technology which receives
sounds by auricle, combine with
environment and transfer sounds to ear
canal.
It also releases the sound pressure; user
would not feel uncomfortable or exhausting during long time
wearing.