Frequently Asked Questions
Press and hold the Center Button and the (+) Button at the same time for 1 second to turn the helmet on or off.
If the Voice Command setting is disabled, the “Hello” voice prompt will be heard instantly after powering on the Bluetooth system. Please refer to Section 8: “Voice Command” for more details.
The Bluetooth system can be charged using many common methods via the supplied USB power &
1. Plugged into a computer’s USB port.
2. With a USB-equipped AC adapter via a wall-outlet charger.
Depending upon the charging method, the Bluetooth system will be fully charged in about 2.5 hours.
Charging the Bluetooth System
Please make sure to take off your helmet while charging. The Bluetooth system automatically turns off during charging.
Checking the Battery Level
There are two ways to check battery level:
1. Visually, with LEDs when powering on
2. Audible method: press and hold the Center Button and the (+) Button for more than 3 seconds as the Bluetooth system powers on. A prompt will announce the remaining battery level.
When the battery is low while in use, you will hear a voice prompt saying “Low battery”.
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 (i.e. phone, intercom), even when the Bluetooth system is rebooted.
1. Execute Phone Pairing in the Bluetooth System Configuration Menu.
2. With your mobile phone in Bluetooth-pairing mode, select Momentum in the list of devices
3. If your mobile phone asks for a PIN, enter 0000.
Pairing with the Remote Control
1. Execute Remote Control Pairing in the Bluetooth System Configuration Menu.
3. Enter pairing mode in the Remote Control device. The Bluetooth system will automatically connect with the Remote Control device in pairing mode. You will hear a voice prompt, “Remote control connected” when they are successfully paired.
To answer a call, tap the Center Button once.
To end/reject a call, hold the Center Button for 2 seconds.
To use the Voice Dialer, hold the Center Button for 3 seconds.
Playing Music with Bluetooth Devices
1. To play or pause music, press and hold the Center Button for 1 second until you hear a
2. To adjust the volume, tap the (+) Button or the (-) Button.
3. To track forward or back, press and hold the (+) Button or the (-) Button for 1 second.
You can share the music you’re listening to with an Intercom Friend during an intercom conversation. To start or terminate sharing music, press the (-) Button for 3 seconds during an intercom conversation until you hear a double beep. Both you and your Intercom Friend can control music playback.
When the Bluetooth system is not working properly, you can easily reset the unit:
1. Partially pull out the neck roll from the rear side of the helmet.
2. Locate the pinhole reset button as described below.
3. Gently insert a paperclip into the hole and tap the Fault Reset Button with light pressure.
To erase all of your settings and start fresh, the Bluetooth system can be restored to factory default settings using the Factory Reset feature in the Bluetooth System Configuration Menu.
Up to three other people can communicate via intercom with the helmet simply by pairing their Bluetooth systems.
1. Press and hold the Center Button of two Bluetooth systems for 5 seconds until you hear
the voice prompt “Intercom Pairing”.
2. Tap the Center Button on either Bluetooth system and wait until the LEDs of both turn blue.
3. Repeat steps 1 and 2 to pair with Intercom Friends C & D.
You can start or end an intercom conversation with an Intercom Friend by tapping the Center Button.
1. Tap one for Intercom Friend 1.
2. Tap twice for Intercom Friend 2.
3. Tap three times for Intercom Friend 3.
Multi-Way Intercom enables conference-call-style conversations with up to seven Intercom Friends
at the same time. While Multi-Way Intercom is in progress, mobile phone connection is temporarily
disconnected. However, as soon as Multi-Way Intercom terminates, the mobile phone connection
will be reestablished.
Starting a Three-Way Intercom Conference
You (A) can have a Three-Way intercom Conference with two other Intercom Friends
by establishing two intercom connections simultaneously.
1. Pair your Bluetooth system (A) with those of two other Intercom Friends (B & C).
Please refer to “Intercom Pairing” for pairing instructions.
2. Start an intercom conversation with one of the two friends in your intercom group. For
example, you (A) may start an intercom conversation with the Intercom Friend (B). Or, Intercom Friend (B) may start intercom call with you (A).
3. Then, you (A) can call the second Intercom Friend (C), or the second Intercom Friend
(C) may join the intercom by making an intercom call to you (A).
4. Now you and two Intercom Friends (B&C), are having a Three-Way Intercom
FM Radio On/Off
To turn on or shut off the FM Radio, press the (-) Button for 1 second until you hear a double beep.
Scan and Save Radio Stations
The “Scan” function automatically searches for radio stations, starting with the current station’s
frequency, then up from there.
1. Press and hold the (+) Button for 1 second to scan for stations.
2. The Sena tuner pauses at each station it finds for 8 seconds before moving to the next.
3. To save the current station, tap the Center Button. The station will be saved as the next
4. To stop scanning, press the (+) Button for 1 second.
Seek and Save Radio Stations
The “Seek” feature searches for radio stations.
1. Double tap the (+) Button or the (-) Button to search for radio stations.
2. To save to current station, press and hold the Center Button for 3 seconds until you hear the
voice prompt, “Preset (#)”.
3. Tap the (+) Button or the (-) Button to navigate through the preset numbers that you want to
4. Press and hold the (+) Button for 1 second to save the station in the preset number you choose. Or, press and hold the (-) Button for 1 second to delete the station from memory.