3M PELTOR ComTac XPI MT20H682 Series Manuale di avvio rapido - Pagina 6
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3:11 Warning signals
The warning signal setting disables/enables the warning signals "low battery" and "auto-
matic power off". When set off, none of these warning signals will be heard.
3:12 Automatic power off
The automatic power off setting disables/enables the automatic power off function.
3:13 External input
The standard connector is type J11. Also other type of connectors exists. The J11 con-
nector is available with different wiring configurations. For information on wiring on your
specific headset, please refer to product data sheet or consult your dealer.
3:14 External microphone jack
The external microphone jack can be used for attaching an external microphone, for
example a boom microphone. The polarity is: top pole is ground (-) and bottom pole is
(+). For models with foldable headband, this jack is placed on the front side of the left
cup whilst on neckband models; it is placed on the back side of the left cup.
4 IMPORTANT USER INFORMATION
It is recommended that the wearer ensure that:
• The headset is fitted, adjusted and maintained in accordance with the manufacturer's
instructions.
• The headset is regularly inspected for serviceability.
Warning!
If the recommendations above are not adhered to, the function afforded by the headset
will be severely impaired.
• This product may be adversely affected by certain chemical substances. Further
information should be sought from the manufacturer.
• The headset, and in particular ear cushions, may deteriorate with use and should be
examined at frequent intervals for damages such as cracking. Replace the ear
cushions at least twice a year, see A:8.
• The fitting of hygiene covers to the cushions may affect the acoustic performance of
the headset. Follow the manufacturer's recommendation for the appropriate hygiene
kit, see 6.
• This headset is provided with level-dependent function. The wearer should check
correct operation before use. If distortion or failure is detected, the wearer should
refer to the manufacturer´s advice for maintenance and replacement of the battery.
• This headset is provided with electrical audio input. The wearer should check correct
operation before use. If distortion or failure is detected, the wearer should refer to the
manufacturer's advice.
• Follow the advice in this manual on maintaining and replacing batteries.
Warning!
• Performance may deteriorate with battery usage. The typical period of continuous
use that can be expected from the headset battery is 200 hours.
• The output of the level-dependent circuit of this headset may exceed the external
sound level.
• The output of the electrical audio circuit of this headset may exceed the daily limit
sound level.
5 MAINTENANCE
5:1 Replacing the ear cushions
(F:1) Slide your fingers under the edge of the ear cushion and pull straight out.
(F:2) Insert the new foam and ear cushion.
(F:3) Press until it snaps into place.
5.2 Cleaning
Remove the ear cushions and attenuation pads (Fig. F) if you have been wearing the
headset for a long time or if moisture has gathered inside the cups. Clean the cups,