3M Peltor LiteCom MT53H7B4600-NA Руководство - Страница 6

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3M™ PELTOR™ LiteCom

Hearing protector with built-in two-way radio.

Read these instructions carefully before use and save them

for future reference.

1. COMPONENTS

1.1 Headband (figure A)

(A:1) Headband

(A:2) Headband padding (PVC foil)

(A:3) Headband wire (stainless steel)

(A:4) Two-point fastener (POM)

(A:5) Ear cushion (PVC foil and PUR foam)

(A:6) Attenuation cushion (PUR foam)

(A:7) Cup

(A:8) Speech microphone (electret microphone)

(A:9) On/Off/Mode

(A:10) +

(A:11) –

(A:12) Antenna

(A:13) Speech microphone input (J22)

(A:14) PTT (Push To Talk button)

(A:15) Battery cover

1.2 Helmet attachment (figure B)

(B:1) Cup supporting arm (stainless steel)

1.3 Neckband (figure C)

(C:1) Neckband wire (stainless steel)

(C:2) Neckband cover (POX)

2. FITTING AND ADJUSTMENT

2.1 Over the head position (figure D)

(D:1) Slide out the earcups and tilt the upper part of the cups

outward so that the wires are positioned away from the head-

band.

(D:2) Position the earcups over your ears so that the cushions

fully enclose the ears and seal tightly against the head. Adjust

the height of each earcup while holding the headband down

until you have a tight and comfortable fit that exerts even pres-

sure around the ears.

(D:3) The headband should sit straight on the head.

2.2 Behind the head position (figure E)

For independent use with or without hard hats or caps.

(E:1) Slide out the earcups and tilt the upper part of the

cups outward so that the wires are positioned away from the

headband.

(E:2) Position the earcups over your ears so that the cushi-

ons fully enclose the ears and seal tightly against the head.

(E:3) Adjust the height of each earcup until you have a tight

and comfortable fit that exerts even pressure around the

ears.

2.3 Helmet attachment (figure F)

(F:1) Insert the helmet slot adapters into the slots on each

side of the helmet until they snap into place.

When in use, the attachment arms must be pushed inward

until you hear a click on both sides, indicating a shift from

"stand-by" to "usage" position. Position the earcups over your

ears so that the cushions fully enclose the ears and seal

tightly against the head. Adjust the position of each earcup

while holding the helmet in place until you have a tight and

comfortable fit that exerts even pressure around the ears.

Make sure the cups and attachment arms are not in contact

with the inner lining or the edge of the hard hat when in the

"usage" position, otherwise this may lead to leakage.

(F:2) Note that the cups can be placed in usage position and

stand-by position (F:3)

Note: In Canada, users of hard hats combined with earmuffs

must refer to CSA Standard Z94.1 on industrial protective

headwear.

3. USAGE/FUNCTIONS

3.1 Inserting batteries

• Improperly installed batteries can damage the headset.

• Remove the batteries when storing the headset for exten-

ded periods of time.

• Replace batteries when interference increases or the

sound level becomes weak.

• Do not replace batteries with the unit switched on.

• Low battery level is indicated by a voice message, "low

battery", repeated every 5 minutes. If not replaced, a "battery

empty"

message will sound and the unit

will switch off automatically.

• Check the functioning of the unit after installing or repla-

cing batteries.

• Open the battery cover (A:15) by turning the locking screw

counterclockwise.

• Install 2 1.5 V AA batteries. Position the + and - poles as

shown on the battery cover.

• Replace cover and secure by turning the locking screw

clockwise.

Warning! Dry cell batteries can explode if recharged. Do

not attempt to charge the included alkaline batteries as

this may damage the headset.

3.2 Switching the headset on and off

Press and hold the On/Off/Mode button (A:9) for two seconds

to switch the headset on or off. A voice message will confirm

that the unit has been switched on or off. The last setting is

always saved when the headset is switched off.

Note! Power is switched off automatically if the product has

been inactive for two hours. Automatic power-off is indicated

by a voice message: "automatic power off" followed by a

series of short tones for 10 seconds, then the unit is switched

off.

3.3 Scrolling through the menu

Press the On/Off/Mode button (A:9) briefly to browse through

the menu. A voice message confirms each step.

3.4 Radio volume (sound level for communication radio)

Press the + button (A:10) or – button (A:11) to adjust the

volume to one of five levels. Each change is confirmed by a