ZEKLER 412RDH Gebrauchsanweisung Seite 7

Radio (see Figure 3a)
The hearing protector features level-limiting of
audio signals from the speakers to maximum
82 dB(A) at the ear.
Listening to the radio can entail degraded
audibility of warning signals at the workplace.
On/Off Volume
– Turn the dial marked "Radio" to switch on the
radio. Continue turning clockwise to increase
the volume.
– In the event of poor reception conditions, the
radio automatically switches from stereo to mono
mode to maintain optimal audio quality.
Frequency/channel selector (see Figure 3b)
– Turn the dial marked "FM" to choose radio
stations.
– The radio's frequency range is FM 88-108 MHz
Active listening (see Figure 3c)
The hearing protector is equipped with an active
volume function. 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 active volume
control on the hearing protector can exceed the
external noise level.
– The hearing protector features level-limiting
of audio signals from speakers to maximum
82 dB(A) at the ear.
On/Off Volume
– Turn the dial marked "Surround" to turn on the
active listening microphones. Continue to turn
clockwise to increase the volume.
Active listening + Radio (see Figure 3)
– Both functions have individual volume control.
Adjust the volume to the desired level.
External audio input (see Figure 4)
The hearing protector is equipped with an
electronic audio input. Check that the function
is operable before using the unit. If interference
or faults occur, consult the manufacturer's
instructions.
– Warning! Connection of an external audio
source can entail a sound level that exceeds the
daily permitted exposure.
– Maximum permitted audio signal: 263mV
– You can connect a communications radio, MP3
player, mobile phone or other external audio
source to the 3.5 mm audio input.
– The volume function must be turned on when
using the external audio input.
Batteries (see Figure 5)
– The unit is supplied with two 1.5 V AA batteries.
– Use only 1.5 V AA NiMH batteries.
– Ensure that the batteries' plus and minus poles
are correctly oriented.
– Never change the batteries when the
electronics are on.
– Warning! Performance can decrease as the
batteries discharge. During normal use, the
estimated battery life is about 120 hours.
– Spare parts/Accessories
Hygiene kit #HK3
– 2 sealing rings
– 2 noise absorbers
– 1 headband cushions (only intended for
headband)
Choose the correct hygiene kit for your hearing
protector. The hygiene kit should be replaced at
least twice yearly.