Hangzhou Demax Industry Co Ltd 78298 Hearing Protector With Digital DAB-FM Radio User Manual

Hangzhou Demax Industry Co Ltd 78298 Hearing Protector With Digital DAB-

FM Radio

Product Information

• Specifications:
  • Model: 78298
  • Features: Digital DAB+/FM stereo radio, Bluetooth, level-dependent noise cancellation
  • Components:
  • Antenna with superb reception sensitivity
  • TPR ear cushion
  • Easy-to-read LCD for precise tuning
  • Microphone receiving circumstance voice
  • Listen button (phone, level-dependent)
  • Speech Microphone
  • Charge socket type C
  • On/off & volume control knob
  • DOWN-seek/scan turning button
  • UP-seek/scan turning button
  • Function button
  • Battery: 3.7V lithium rechargeable
  • Compliance: EN352-1 standards

Product Usage Instructions

• Putting on the Hearing Protector:
  • Slide out the shells and place the headset over your ears with the headband upwards.
  • Ensure ear cushions cover the outer ear completely and have a tight fit.
  • Adjust the headband so it rests gently on your head for effective noise protection.
• Replacing Cushions:
  • If replacing the cushions:
  • Pull out the cushions from the inside to remove them.
  • Fit new cushions to the rim of the shells.
  • Ear cushion (part No.78298-1) and Cup padding (part No. 78298-3) can be replaced.
• Switching Functions:
  • To switch between DAB/FM/Bluetooth:
  • Press the function button for 3 seconds.
• Operating FM Radio:
  • Select channels by pressing the [UP/DOWN] buttons for 3 seconds for automatic selection.
• Recommendations:
  • Follow the manufacturer’s instructions for wearing, adjusting, cleaning, and maintenance.
  • Wear the hearing protector at all times in noisy surroundings.
  • Regularly inspect ear muffs for serviceability.
  • Avoid exposure to chemical substances that may affect the ear muffs.
  • Be cautious when fitting cushions as it may affect acoustic performance.

FAQs

How do I charge the battery?

When the battery icon flashes, use a USB charging cable to charge. Once charging is complete, the circuit will stop automatically. If the battery fails, open the battery box to replace it.

What size range should I choose for ear muffs?

'Medium size range' ear-muffs fit most wearers. 'Small size range' or 'large size range' are designed for wearers where 'medium size range' is not suitable.

What happens if I do not follow the recommendations?

Attenuation and other functions may be severely impaired. The electrical audio circuit output may exceed daily sound level limits.

Can I use this hearing protector in entertainment facilities?

Be cautious as the audibility of warning signals in specific workplaces may be impaired when using entertainment features.

• Model 78298 is an ideal Hearing Protector built with a digital DAB+/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, by pulling 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.78298-1) and Cup padding (part No. 78298-3) can be replaced for ear muff 78298
4. Equipped with a 3.7V lithium battery, rechargeable.
5. Each time the function button is pressed for 3 seconds, DAB/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. DAB and DAB+ radio
   • For the first use, short press the DAB/FM button, text “full scan” will be shown on the LCD. Then short press
   • DAB/FM button again, it scan all DAB and DAB+ channels available automatically.
   • Press the [UP/DOWN] buttons shortly, it will show the information of the channel that is broadcasting(Program Type, Ensemble Name, Ensemble Frequency, Audio Bit Rate, Signal Strength,
   • Time/Date, DLS), short press again, it seek next or previous channels.
   • DAB and DAB+ from 174.928~239.200MHZ
8. Bluetooth
   • When “78298” 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 in 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.
9. 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.
10. USB charging cable included.
11. 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 according to 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 per 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.

Read User Manual Online (PDF format)

Download This Manual (PDF format)

Download this manual  >>