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DigitalITC Hearing Aid S-15AFeatures:WDRC Signal Processing 4 Channels 8 Bands Adaptive Noise Reduction (ANR) 12dB Adaptive Feedback Cancellation (AFC) FrontWave Directional Microphone 12KHz Bandwidth 3Memories Adjustable Indicator Super Quiet Adjustable for high & low frequency Memory Switch Indicator Low Battery Indicator MPO Control Power-on Delay Automatic Telecoil Compression Knee Points Instructions: 1.The wire plug connected to the headset.Then earplug connector (hard) to the headset, earbuds (silica gel) to connect to the headphone connector pedestal
2.The battery installation: Gently open the battery compartment cover, put a battery into the battery compartment in the right direction, then close the battery compartment .
3.Before you use this item ,you have to turn the ON-OFF switch to Off,and turn the sound volume to minimum
4.Then put this item on you ear, keep it tightly
5.Next, turn this item ON, adjust the volume until you hear clear soundNote:- Adjust volume to the minimum before wearing.
- Choose an earplug of slightly bigger size to avoid whistler.
- Increase volume gradually to avoid sudden increase in sound.
-If you hear a howling,check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
- Please regularly clean the ear plugs or ear molds in order to ensure the normal use of hearing aids.
- Use for long periods of time, please remove the batteries to prevent battery rot erosion hearing aid components. Package Content: 1 x Hearing Aid1 x A10 batteries