Standard Models - 3M Peltor MT7H79F-50 Mode D'emploi

GB/IE/ZA/AE
Peltor MT7H79*-50 headset
Peltor headsets are tested and approved in accordance with PPE directive 89/686/EEC, so they meet the demands for CE labelling. Read
these instructions carefully to gain the most benefit from your Peltor product.
A) HEADSET
Qualities
1a. Collapsible headband (MT7H79F-50) for convenient storage when you are not using the headset.
1b. Neckband (MT7H79B-50) for situations where the headband must not be in the way.
1c. Helmet attachment (MT7H79P3E-50) allows the headset to be worn with all common helmets.
2. Individually sprung headband wires of stainless sprung steel.
3. Low, two-point fasteners and easy height adjustment with no protruding parts.
4. Soft, wide foam and fluid-filled sealing rings with builtin pressure-evening channels provide low pressure, effective sealing
and ideal comfort.
5. Earphones that provide excellent sound reproduction even in noisy environments.
6. Connection cord, insulated with flexible polyurethane and with a moulded connector.
7. Dynamic microphone with high noise suppression. Easy to replace with a connector.

STANDARD MODELS

MT7H79*-50 EX-approved headset with 230-ohm earphones and 0.5–1.4-m connector cable of soft, spiral polyurethane with moulded Nexus
TP-120 connector. Weight without connector cord: MT7H79B-50 300 g, MT7H79F-50 335 g, MT7H79P3E-50 345 g.
NOTE. Special regulations for safe usage
The Ex certificate (EC-Type Examination Certificate: Nemko 09ATEX1114X,) contains restrictions about electronic data for connected equipment.
MT7N MICROPHONE
Type: Noise cancelling dynamic microphone
Sensitivity: -60dB+-3dB (0dB=1V/Pa @ 1 kHz)
Impedance: 230 Ω +20% -10%
C) INSTALLATION/SETTINGS
Headband A and F (Fig. C)
(C:1) Slide out the cups. Place the headset over your ears so that the sealing rings fit snugly.
(C:2) Adjust the height of the cups to a snug, comfortable fit by sliding the cup up or down while holding the headband flat on your head.
(C:3) The headband should go straight over the top of the head.
Neckband B (fig. D)
(D:1) Adjust the cups so that the ears are completely surrounded by the ear cushions.
(D:2) Adjust the height using the headband until you have a snug, comfortable fit.
(D:3) The headband should lie across the top of the head.
Helmet Mounted Version Approved Combination
The helmet mounted version ear muffs are supplied with different adapters designed to fit a variety of industrial safety helmets with specified
head size range: Small (S) Medium (M) and Large (L).
These ear muffs should be fitted to and used only with the industrial safety helmets listed in the (Fig H).
Helmet attachment P3E. (Fig. E)
(E:1) Snap the helmet attachment into the slot on the helmet.
Note: The cups can be set in three positions: Working position (E:2), ventilation position (E:3) and parking position (E:4).
When in use, the cups must be placed in working position. Press the wires inward until you hear a click on both sides. Make sure that the
cup and the headband wire in working position are not pressing on the helmet lining or the edge of your hardhat so that leakage can occur.
Parking position should not be used if the cups are damp inside after an intense period of use.
Replacing snap-mount Z3E with Z3*
You will need a screwdriver for recessed head screws to change the snap-mount on your hearing protector.
(E:5) Unscrew the middle screw holding the Z3E snap-mount.
(E:6) Replace the snap-mount with Z3* depending on which type of safety helmet is being used. NOTE. Ensure the snap-mount is turned
the right way round.
(E:7) Tighten the middle screw again.
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