3S PLUS BOOM

Powering On and Off

To power on the headset, press and hold the (+) Button and the
(-) Button for 1 second. To power off the headset, tap the (+) Button
and the (-) Button.

Charging

The headset will be fully charged in about 3 hours. The charging time
may vary depending on the charging method.

Checking the Battery Level

When the headset is powering on, the red LED flashes rapidly
indicating the battery level.
4 flashes = High, 70 ~ 100%
3 flashes = Medium, 30 ~ 70%
2 flashes = Low, 0 ~ 30%

Volume Adjustment

You can raise or lower the volume by tapping the (+) Button or the
(-) Button. Volume is set and maintained independently at different
levels for each audio source, even when the headset is rebooted.

Initially Pairing the headset

The headset will automatically enter the phone pairing mode when you
initially turn on the headset or in the following situations:
• Rebooting after executing Factory Reset; or
• Rebooting after executing Delete All Pairings.
1. Press and hold the (+) Button and (-) Button for 1 second.
2. You will hear a voice prompt, “Phone pairing”.

3. Search for Bluetooth devices on your mobile phone. Select Sena
   3S PLUS in the list of devices detected.
4. If your mobile phone asks for a PIN, enter 0000.

Pairing When the Headset Is Turned Off

1. While the headset is turned off, press and hold the (+) Button and
    (-) Button for 5 seconds.
2. You will hear a voice prompt, “Phone pairing”.
3. Search for Bluetooth devices on your mobile phone. Select Sena
    3S PLUS in the list of devices detected.
4. If your mobile phone asks for a PIN, enter 0000.

Pairing When the Headset Is Turned On

1. While the headset is turned on, press and hold the (+) Button for
    5 seconds.
2. You will hear a voice prompt, “Phone pairing”.
3. Search for Bluetooth devices on your mobile phone. Select Sena
    3S PLUS in the list of devices detected.
4. If your mobile phone asks for a PIN, enter 0000

GPS Pairing

1. To enter the configuration menu, press and hold the (+) Button for
    10 seconds until you hear a voice prompt, “Configuration
     menu”.
2. Tap the (+) Button until you hear a voice prompt, “GPS pairing”.
3. Search for Bluetooth devices on your mobile phone. Select Sena
    3S PLUS in the list of devices detected.
4. If your mobile phone asks for a PIN, enter 0000.

    Bluetooth Stereo Music

1. To play or pause music, press and hold the (+) Button for
    1 second.
2. To track forward or track back, press and hold the (+) Button or
    the (-) Button for 2 seconds.

    Mobile Phone Call Making and Answering

1. When you have an incoming call, simply tap the (+) Button to answer
    the call.
2. You can also answer the incoming call by loudly speaking any
    word of your choice if VOX Phone is enabled, unless you are
    connected to intercom.
3. To end a call, press the (+) Button for 2 seconds, or wait for the
    called person to end the call.
4. To reject a call, press the (-) Button for 2 seconds while the phone
    is ringing.

5. There are several ways to make a phone call:
   • Enter numbers on your mobile phone’s keypad and make a call.
      Then the call is automatically transferred to the headset.
   • In stand-by mode, press the (+) Button for 3 seconds, to activate
      the voice dialing of your mobile phone. For this, the voice dialing
      function must be available on the mobile phone. Refer to your
      mobile phone manual for further instruction.
   • To redial the last number, press and hold the (-) Button for
      3 seconds in stand-by mode until you hear a high tone single beep.
      You will hear a voice prompt, “Last number redial”.

Intercom Pairing

Pairing with Other Headsets for Intercom Conversation

The headset can be paired with another headset for Bluetooth intercom
conversation.
1. Press and hold the (-) Button of the headset A and B for
    5 seconds until red LEDs of the both units start to flash rapidly.
2. Simply tap the (-) Button of any one of the two headsets A and B,
    and wait until the LEDs of both headsets turn to blue and intercom
    connection is automatically established.

Fault Reset

When the headset is not working properly, you can easily reset the
unit. When the USB charging & data cable connects a power supply to
the headset, the headset will automatically be turned off and a fault
reset will occur.

Factory Reset

If you want to restore the headset to factory default settings, use the
Factory Reset in the configuration menu. The headset automatically
restores the default settings and turns off.