MEDLINE MDSHEARAMP Behind the Ear Hearing Amplifier Instruction Manual
- October 27, 2023
- MEDLINE
Table of Contents
MEDLINE MDSHEARAMP Behind the Ear Hearing Amplifier
Function
This hearing amplifier is designed to increase the level of sound.
| Max Sound Output | ≤ 135 + 3 dB |
|---|---|
| Avg. Sound Output | 119 ± 4 dB |
| Max Sound Gain | 40 ± 5 dB |
| Avg. Sound Gain | 35 ± 5 dB |
| Input Noise | ≤ 35 dB |
| Response Limit | 300 ~ 3200 Hz |
| Total Harmonic Wave Distortion | ≤ 15% |
| Current | ≤ 10 mA |
Device Diagram
| Diagram Label | Device Component | Description |
|---|---|---|
| A | Sound Collection Hole | Sound enters in the sound collection hole. |
| B | Volume Adjuster | Adjust the volume. |
1 – Minimum volume 4 – Maximum volume
C| On/Off Switch| “N” – “Power On”
“O” – “Power Off”
D| Battery Cartridge| “+” – positive electrode of battery “-“ – negative
electrode of battery
E| Earphone| Sound leaves the device.
F| Earplug| Covers the earphone for comfortability.
G| Ear hook| Part of the device that fits over the ear.
Instructions for Use
| 1 | Open battery compartment. |
|---|---|
| 2 | Line up the positive (+) side of the battery with the positive indicator on |
the device.
3| Remove the positive indicator sticker on the battery, and place battery
inside of battery tray.
4| Close the battery compartment.
5| Before first use, turn the power to off, “O” on the device, to keep the
device from being too loud.
6| Place an earplug on the earphone. There are four different size earplugs to
choose from.
7| Place the ear hook over the ear and plug earplug in tightly.
8| Turn on the power, “ N ” on the device.
9| Adjust the volume, between “1-4”, to receive a comfortable sound level. “1”
is the minimum and “4” is the maximum sound amplification level.
10. If you hear a whistling sound, make sure that you have pushed in the earplug securely or change to the larger size earplug.
Maintenance:
- To clean, use a dry cloth to wipe off the outer parts of the unit.
- Use the black brush to clean the earplugs.
- Periodically, check the sound inlet and earplug hole to make sure they are not blocked by foreign objects
Troubleshooting
No Sound| Check that the device is on.
The “On/Off” switch is at “N”. See page 3.
---|---
Check that the volume is turned up to the appropriate level by moving the
volume adjuster switch. See page 3.
Battery is installed with the “+” indicator of the battery towards the
“+”indicator label on the device. See page 3.
Change the battery. See page 4.
Verify that the lead wire in the ear hook connects to the device and the
earphone. See page 3.
Weak Sound| Change the battery. See page 4.
Verify that the earphone is not damaged. See page 3.
Warning s
- DO NOT USE
- For users with tympanitis or ear pyogenesis.
- At a high volume for an extended period or ear injury may occur.
- If you feel discomfort due to sound.
- Keep the product away from children and infants.
- Avoid physical shock or dropping the amplifier.
- Do not store or use in areas of high humidity or temperatures.
- If device is stored for a long period, remove the battery to prevent damage from possible battery leakage.
- Dispose of the battery properly, not in common trash.
NOTE: Hearing amplifier is NOT a hear-ing aid. Hearing amplifier should NOT be used for individuals with hearing impairments.
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©2021 Medline Industries, LP
Manufactured in China for Medline Industries, LP, Three Lakes Drive,
Northfield, IL 60093 USA. 1-800-MEDLINE V4 RH22HJI