User's Manual

Headset basics….

Refer to gure H.

1. (MT53H7A****) Wide padded headband – for over-the-head use

(MT53H7B****) Neckband - for use under a hardhat

(MT53H7P3E****) 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 12 for replacements.

5. Antenna – exible with xed mount design and high reception quality

6. Audio jack - for external audio accessories including 2-way radios, cell phones, personal entertainment

devises, see page 13

7. Battery cover – requires 2 standard 1.5-volt AA alkaline batteries, optional rechargeable battery pack

available, see page 12

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 12 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. (Only available with PowerCom Plus

models). See page 12 for foam replacements.

11. Headset Push-To-Talk (PTT) – will key up lip microphone and activate the radio inside headset to start

transmitting.

(H)