Headset basics....
Refer to figure H.
1. (MT53H7A4720) Wide padded headband – for over-the-head use
(MT53H7B4720) Neckband - for use under a hardhat
(MT53H7P3E4720) Slotted hardhat mount – snaps into slots of hardhats
2. Stainless steel headband wires – special bending processes ensure an even distribution of pressure
around the ears.
3. Guide arms – slide assembly for easy height adjustment.
4. Ear seals – foam with liquid bladder for all day comfort, built-in pressure-relief canals ensure low
pressure and effective sealing. See page 8 for replacements.
5. Antenna – flexible with fixed mount design and high reception quality
6. Audio jack - for external audio accessories including 2-way radios, cell phones, personal entertainment
devises, see page 9.
NOTICE / WARNING
NO external audio accessories may be connected into the Peltor PowerCom plus II MT53H7*4720,
if the area where it is used requires I.S. (Intrinsically Safe) -approved equipment.
7. Battery cover – requires 2 standard 1.5-volt AA alkaline batteries, optional rechargeable battery pack
available, see page 8.
8. Key pad - for easy changing of modes, settings and levels.
9. Lip microphone – quick positioning metal boom assembly with an electret noise canceling condenser,
see page 8 for replacements.
10. Cup microphones – amplify and reproduce in stereo inside the headset ambient noises and voices
allowing the user to be fully aware of surrounding environment.
See page 8 for foam replacements.
11. Headset Push-To-Talk (PTT) – will key up lip microphone and activate the radio inside headset to start
transmitting.
1
(H)
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10
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7
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9
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6