3M Peltor LiteCom MT53H7A4600-NA Manuel - Sayfa 8

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with waterless hand cleaners or products containing lanolin.

• Do not store the earmuff in temperatures above 131º F

(+55 ºC), for example behind a windshield or window.

• Inspect earmuffs regularly for cracked or worn parts,

especially the cushions. Replace as needed. For replacement

foam liners and ear cushions, order Hygiene Kit HY79. 3M

recommends replacing foam liners and cushions at least

twice a year in order to maintain acceptable noise reduction,

hygiene and comfort.

6. FCC AND IC REGULATIONS AND WARNINGS

6.1. FCC Warning

This device complies with part 15 of the FCC Rules. Opera-

tion 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.

Any Changes or modifications not expressly approved by

the party responsible for compliance could void the user's

authority to operate the equipment. Before any station

transmits on any channel authorized in the GMRS from an

point (a geographical location) within or over the territorial

limits of any area where radio servicesare regulated by the

FCC, the responsible party must obtain a license (a written

authorization from the FCC for a GMRS system).

6.2 FCC Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits

set forth for an uncontrolled environment. This transmitter

must not be co-located or operating in conjunction with any

other antenna or transmitter. Do not transmit for more than

50% of the total transceiver use time; transmitting over 50%

of the total use time may exceed the limits in accordance to

the FCC RF exposure requirements. Nominal transceiver

operation is 5% transmission time, 5% reception time and

90% stand-by time.

6.3 IC Warning

This device complies with Industry Canada license-exempt

RSS standard(s). Operation is subject to the following

two conditions:

(1)This device may not cause interference and

(2) this device must accept any interference, including interfe-

rence that may cause undesired operation of the device.

Under Industry Canada regulations, this radio transmitter

may only operate using an antenna of a type and maximum

(or lesser) gain approved for the transmitter by Industry

Canada. To reduce potential radio interference to other users,

the antenna

type and its gain should be so chosen that, the equivalent

isotropically radiated power (e.i.r.p.) is not more than that

necessary for successful communication.

7. ATTENUATION (table K)

The NRR calculated from these laboratory-based attenuation

data is 25 in the over the head and hard hat attached

versions and 26 when worn behind the head.

The NRRs may overestimate the hearing protection provided

during typical use due to variation in earmuff fit, earmuff fitting

skill and motivation of the user. 3M recommends reducing

the NRR by 50% for estimating the amount of noise reuction

provided.

The level of noise entering a person's ear. when a hearing

protector is worn as directed, is closely approximated by the

difference between the A-weighted environmental noise level

and the NRR.

Example:

1. The environmental noise level as measured at the ear is

92 dB(A).

2. The NRR is 25 decibels (dB).

3. The level of noise entering the ear is approximately equal

to 67 dB(A).

Caution! For noise environments dominated by

frequencies below 500 Hz, the C-weighted environmental

noise level should be used. Although hearing protectors

can be recommended for protection against the harmful

effects of impulsive noise, the noise reduction rating

(NRR) is based on the attenuation of continuous noise

and may not be an accurate indicator of the protection

attainable against impulsive noise such as gunfire.

Improper fit of this device will reduce its effectiveness

in attenuating noise. Consult the fitting instructions for

proper fit.

Caution! When set to full gain the earphones can produce

an equivalent sound level of up to 87dB(A). This is conside-

red safe for daily 8-hours use, as long as the time spent in

receiving mode does not exceed 2.5 hours. If the time spent

listening to the earphones exceeds 2.5 hours per day the

gain setting must be reduced below maximum. One step

below maximum gain produces an equivalent sound level of

82 dB(A), considered safe even if used in the listen mode, in

noise, for a full 8-hours day.

If after wearing this device, tinnitus (ringing or buzzing in the

ears) is heard, or your hearing seems muffled or dulled, or for

any other reason you suspect a hearing problem, the volume

levels should be reduced and the fit, condition, and adequacy

of this device should be checked for the noise in which it is

being worn. If the condition persists see an audiologist or phy-

sician for a professional review.

8. SPARE PARTS/ACCESSORIES

3M™ PELTOR™ HY79 Hygiene kit

Replaceable hygiene kit consisting of two attenuation cushi-

ons, two foam rings and two snap-in ear cushions. Replace

at least twice a year to ensure constant attenuation, hygiene

and comfort.

3M™ PELTOR™ HY100A Single-use protectors

A single-use protector that is easy to fit to the ear cushions.

Pack of 100 pairs.