Model HP-53FJBM User Manual
Creation Date: July 28, 2014
Revision No: V.2.0 Revision Date: August 5, 2019 2/5
PTL
With the microphone, you can hear the conversation and communicate with other people without removing the ear
protector.
While listening to the radio or music, press the PTL button (8) to activate the Microphone function with MIC
shows on the display.
Press the PTL button (8) again to switch back to radio or Aux In mode.
Aux-in Jack
Press the “Mode” button to select AUX. Press “Enter” to confirm the setting. To connect with other audio devices,
plug a 3.5 mm Cable into the Aux-in Jack. Start playing the music from the audio device.
Adjusting the Fit
1. Put on the earmuffs with the controls panel over your right ear.
2. With the headband over the crown of your head, position the muffs to completely enclose your ears. The muffs
only provide hearing protection when worn with the headband over the crown of your head.
3. Slide the muffs carefully up or down to adjust for a firm, comfortable fit.
4. Ensure the cushions seal tightly against your head with no interference from foreign objects between the ear cup
and your head (such as pencils or glasses temple arms). Spread the ear cups only enough to clear the ears. Do not
return or reshape the headband.
Note
For best performance, the earmuffs are fitted, adjusted and kept maintenance in accordance to manufacturer’s
instruction.
It is important to wear the earmuffs at all times in noisy surroundings to avoid the risk of hearing damage.
Inspect the earmuffs regularly for serviceability.
If the recommendations given above are not adhered, the protection by the earmuffs will be securely impaired.
Remarks
The earmuffs provides audio signal sound pressure level limitation and limits the entertainment audio signal to
82dB(A).
Radio reception quality may be slightly distorted depending on surroundings.
To prevent damage to the headset and radio function, do not subject it to rough handling.
These earmuffs are provided with an entertainment audio facility and electrical audio input.
These earmuffs are provided with level-dependent attenuation.
The wearer should check correct operation before usage. If distortion or failure is detected, the wearer should refer
to the manufacturer’s advice for maintenance and replacement of the battery.
The audibility of warning signals at specific workplaces may be impaired while using the entertainment facility.
Warning
Performance may deteriorate with battery usage. The typical period of continuous use that can be expected from
the ear muffs is around 24 hours.
The output of level dependent circuit of this hearing protector may exceed the external sound level.
The output of the electrical audio circuit of this hearing protector may exceed the daily limited sound level.
Storage
Do not store the hearing protector at temperatures exceeding +55°C, for example on a dashboard or windowsill.
Do not store the hearing protector at temperature below -20°C. Under extremely cold conditions, warm the hearing
protector before using.
Cleaning
Certain chemical substances may adversely affect this product. Simply wipe it with a soft cloth moistened with a
mild soap or water. Do not dip it into the water.
Safety
Loud music can cause hearing damage.
Avoid working in a noisy environment over extended periods of time.
Wear the hearing protection when working at a noisy workplace.
