ZEKLER 412 RDB, User Instruction

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USER INSTRUCTION FOR FM RADIO, LEVEL DEPENDENT & EXT. AUDIO INPUT
FM Radio
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at the ear. Remember to adjust the volume when working in noisy environments so that any warning
signals etc. can be heard.
On/Off Volume Radio
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In the event of poor reception conditions, the radio automatically switches from stereo to mono mode to
maintain optimal audio quality.
Frequency/channel selector
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The radio’s frequency range is FM 88-108 MHz.
Level Dependent “Active listening”
The hearing protector is equipped with Level Dependent “Active listening”. Check that the function is
operable before using the unit. If interference or faults occur, consult the manufacturer’s instructions on
maintenance and battery replacement.
Warning! The sound from the Level Dependent “Active listening” on the hearing protector can exceed
the external noise level.
On/Off Volume Level Dependent function
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clockwise to increase
the volume.
Level Dep Radio
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Both functions have individual volume control. Adjust the volume to the desired level.
External audio input
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The hearing protector is equipped with an electronic audio input. You can connect a com-radio, MP3
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Check that the function is operable before using the unit. If interference or faults occur, consult the
manufacturer.
Warning! Connection of an external audio source can entail a sound level that exceeds the daily
permitted exposure level.
NOTE! The volume function (A:12 or A:10) must be turned on when using the external audio input.
USER INSTRUCTION FOR BLUETOOTH ® FUNCTIONS
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communicating with the headset .
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the ear.
Pairing with other Bluetooth® unit
Pairing establishes a wireless link for communication between the units. Pairing is only needed once for
each pair of units. The headsets can store up to 8 different units in its memory.
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3. An audio signal with 1 tone is heard in the headset when the link is established and ready for
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4. If the pairing fails, switch off all headset functions and restart again from step 1.
The headset boom microphone (A:7) should be placed approximately 1 cm from the mouth for
best noise suppression and clear speech intelligibility.
When Bluetooth® pairing has been activated, the link is automatically established with the headset next
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