Powering On/Off And Charging; Powering On; Powering Off; Charging - Sena SMH3 User Manual

Bluetooth headset & intercom

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4. POWERING ON/OFF AND CHARGING

Press the (+) Button and the (-) Button at the same time for 1 second to power on. The blue LED turns on and you will

hear ascending beeps and "Hello".

Tap the (+) Button and the (-) Button simultaneously. The red LED turns on for about 2 seconds until it turns off completely

and you will hear "Goodbye" and descending beeps.

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To charge the SMH3, use the USB Power Cable included in the package by plugging into computer's USB port or

USB wall charger. USB wall charger is not included in the package, but you can use any USB wall charger in the

market.

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The USB Power Cable is also used for firmware upgrade of the SMH3.

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You can use any of the standard micro-USB cables which is mostly adopted by smartphones and general Bluetooth

headsets manufacturers.

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The LED turns on red while charging, and turns to blue when the headset is fully charged. It takes about 2.5 hours to

be fully charged.

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A cigarette charger for the SMH3 is separately available as an optional accessory but you can use any micro-USB

car charger in the market.*

When the battery is low, the blinking blue LED in stand-by mode turns to red and you will hear mid-tone triple beeps and a

voice prompt saying "Low battery".

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*please contact Sena regarding locally approved agencies Sena accepts.

SMH3

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