Hangzhou Demax Industry Co Ltd 78298 Hearing Protector User Manual

Hangzhou Demax Industry Co Ltd 78298 Hearing Protector

Product Information

• Specifications:
  • Hearing Protector with digital FM stereo radio, Bluetooth, and level-dependent
  • Antenna with superb reception sensitivity
  • TPR ear cushion
  • Easy-to-read LCD for precise tuning
  • Microphone for receiving circumstance voice
  • Charge socket type C
  • Equipped with a 3.7V lithium rechargeable battery

Product Usage Instructions

• Putting on the Hearing Protector:
  • Slide out the shells and place the headset over your ears with the headband upwards. Ensure the ear cushions cover the outer ear completely for a tight fit.
• Adjusting for Noise Protection:
  • The headband should rest gently on the head to provide effective noise protection.
• Replacing Cushions:
  • To replace cushions, pull them out from the inside and fit new cushions to the rim of the shells.
• Battery Information:
  • Equipped with a rechargeable 3.7V lithium battery. Use a USB charging cable to charge the battery when the battery icon flashes.
• Switching Between FM and Bluetooth:
  • Press the function button for 3 seconds to switch between FM and Bluetooth modes.
• Using FM Radio:
  • Select desired channels using the UP/DOWN buttons. Short press the buttons to adjust the frequency with a 0.05 MHz interval.
• Using Bluetooth:
  • To connect with other devices, touch the equipment name on your device’s Bluetooth menu. Press the Bluetooth button to receive or end calls.
• Recommendations:
  • Follow the manufacturer’s instructions for putting on, adjusting, cleaning, and maintaining the protector.
  • Wear the protector at all times in noisy environments for full protection.
  • Regularly inspect ear muffs for serviceability.
  • Avoid exposure to certain chemical substances that may affect the ear muffs.
  • Fitting cushions may affect acoustic performance, so ensure proper fit.

FAQs

• Q: How do I know when to replace the battery?
  • A: When the battery icon flashes, it indicates that you need to charge the battery. Use a USB charging cable to charge it.
• Q: How do I switch between FM and Bluetooth modes?
  • A: Press the function button for 3 seconds to switch between FM and Bluetooth modes.

Model 78299 is an ideal Hearing Protector built with a digital FM stereo radio, Bluetooth and level depend. The noise-cancellation radio sound is fascinating in noisy environments. It is specifically designed to protect your hearing when working under noisy conditions and create a suitable working atmosphere by listening to the radio undisturbed.

COMPONENTS

1. Antenna with superb reception sensitivity
2. TPR ear cushion
3. Easy-to-read LCD display for precise tuning
4. Microphone receiving circumstance voice
5. Listen button(phone, level depend)
6. Speech Microphone
7. Charge socket type C
8. On/off & volume control knob
9. DOWN-seek/scan turning button
10. UP-seek/scan turning button
11. Function button

INSTRUCTIONS FOR USE

1. Slide out the shells place the headset over your ears with the headband upwards and push the shells evenly upwards until the headband lies on your head. Please make sure that the ear cushions cover the outer ear completely and have a tight fit
2. The headband should only rest gently on the head, ensuring that there is effective noise protection.
3. If replacing the cushions, pull it out from the inside to take off the cushions and then fit new cushions to the rim of the shells. The ear cushion (part No.78299-1) and Cup padding (part No. 78299-3) can be replaced for ear muff 78299
4. Equipped with a 3.7V lithium battery, rechargeable.
5. Each time the function button is pressed for 3 seconds, FM/Bluetooth can be switched.
6. FM radio
   • Select the desired channel by pressing the [UP/DOWN] buttons for 3 seconds, it will automatically select the next or previous channel available.
   • FM from 87.5~108MHZ, short press [UP/DOWN] buttons, the frequency will forward or back with 0.05 MHZ interval.
7. Bluetooth
   • When “78299” shows on other equipment (mobile phone, MP3, etc.), touch it to get a connection. When “ON” shows on the LCD, they are connected. Then you can call and receive calls through this device. The music on mobile phones and MP3, etc. can be played on this device.
   • When you hear the phone ring, press the Bluetooth button to receive and end the call.
8. Level-dependent
   • Press the Listen button(phone, level depend) twice quickly, level-dependent works.
   • Press the Listen button(phone, level depends) 3 times quickly, voice is reduced significantly.
   • When FM or Music(Bluetooth) is playing, press the Listen button(phone, level-dependent) twice quickly,
   • level-dependent working and the volume of the voice of FM or Music(Bluetooth) is reduced significantly. Press twice quickly again, it becomes level-dependent.
9. USB charging cable included.
10. An external microphone is optional, this option could get more clear call quality.

RECOMMENDATIONS

1. The hearing protector must be put on, adjusted, cleaned and maintained by the manufacturer’s instructions.
2. The hearing protector should be worn at all times in noisy surroundings for full protection.
3. The ear muffs are regularly inspected for serviceability
4. The ear muffs may be adversely affected by certain chemical substances. Contact the manufacturer for further information
5. The fitting of cushions to the shells may affect the acoustic performance of the hearing protector.
6. Method of checking, charging, and changing battery:
   • When the battery icon flashes, use a USB charging cable charging. After charging is finished, the circuit will stop charging automatically. Only after the battery fails to open the battery box to replace the battery.
   • Ear Muffs complying with EN352-1 are of ‘medium size range’ or ‘small size range’ or ‘large size range’.
   • ‘Medium size range’ ear-muffs will fit the majority of wearers. ‘small size range’ or ‘large size range’ ear-muffs are designed to fit wearers for whom ‘medium size range’ ear-muffs are not suitable.
   • Warning: If users do not follow these recommendations, attenuation and other functions will be severely impaired.
   • The output of the electrical audio circuit of this hearing protector may exceed the daily limit sound level. Method of checking, charging, and changing batteries:
   • The audibility of warning signals at specific workplaces may be impaired while using the entertainment facility.

DISINFECTION/CLEANING:

• Clean the outside of the unit regularly by using a slightly damp cloth and warm soapy water.
• Let the ear muffs dry before reusing them.
• Do not use brushes or other materials otherwise the noise absorption inserts or ear cushion could be damaged.
• Never immerse ear muffs in water. Use only detergents that are innocuous for the user.

MAINTENANCE

• The hearing protector radio, and particularly the ear cushions, can degenerate over time and may deteriorate with regular use and should be examined at frequent intervals for cracking and leakage, for example.
• The headband could not be bent or unnecessarily adjusted since the tension force is an important element in maintaining the insulating properties.

STORAGE:

• Store the unit before and after each use inside its packaging box to keep it free from dust and dirt

TECHNICAL DATA

• Hereby, Hangzhou Demax Industry Co., Ltd. declares that the Hearing Protector built with a digital DAB+/FM stereo radio, Bluetooth, and level depend complies with Regulation (EU) 2016/425. The full text of the
  EU Declaration of Conformity is available at the following internet address: https://yuduhardware.en.alibaba.com/product/60670936136-200489319/Hearing_Protector_with_DAB_FM_radio_Bluetooth.html?spm=a2700.icbuShop.41413.60.1e77356ceYkJpJ.

• The attenuation values are tested and approved according to PPE directive 89/686/EEC and applicable sections of European Standard EN352‐1:2020, EN352‐4‐2020, and EN352‐8 ‐2020.

• The earphone volume is measured at no more than 82dB (A) equivalent noise according to the PPE directive.

• The electronic circuit of the entertainment audio ear-muff meets the electrical safety and RED requirements appropriate to this class of equipment.

Attenuation values

• H = 34
• M = 28
• L = 22
• SNR = 31
• Weight: 369g

Sound pressure level:

Criterion Level

Interpolated external level for which the level  at  the  ear  is

equal to 85dB

| L-orientated noise dBA| M-noise dBA| H–orientated noise dBA
---|---|---|---
Mean| 109.3| 114.7| 123.5
Standard Deviation| 1.01| 0.80| 0.77
Mean – sta dev| 108.3| 113.9| 122.7

FCC

FCC Statement

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

RF warning for Portable devices:

• The device has been evaluated to meet general RF exposure requirements.
• The device can be used in portable exposure conditions without restriction.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, under part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,uses and can radiate radio frequency energy and, if not installed and used following the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

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