SENA TECHNOLOGIES SP41 User Manual
1. GETTING STARTED: BUILT-IN BLUETOOTH SYSTEM
1.1 Powering On and Off
Press and hold the Center Button and the (+) Button at the same time for 1 second to turn the headset on or
off.
1.2 Charging
The Bluetooth Communication Module can be charged using many common methods via the supplied USB
power & data cable:
1. Plugged into a computer’s USB port.
2. With a USB-equipped AC adapter via a wall-outlet charger.
Note: Please make sure to take off your helmet while charging. The headset automatically turns off during
charging.
Depending upon the charging method, the Bluetooth Module will be fully charged in about 2.5 hours.
1.3 Checking the Bluetooth Module’s Battery Level
There are two ways to check battery level:
1. Visually, with LEDs when powering on.
Note: Blinking LEDs alternate from blue to red when battery power is low.
2. Audible method: Press and hold the Center Button and the (+) Button for 3 more seconds as the headset
powers on. A prompt will announce the remaining battery level.
1.4 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 (i.e., phone, intercom), even when the headset is rebooted.
1.5 Downloadable Sena Software
1.5.1 Sena Device Manager
The Sena Device Manager allows you to upgrade the Bluetooth Communication Module’s firmware and
configure its settings directly from your PC or Apple computer. Using this software, you can assign speed dial
presets, FM radio station presets and more. For more information on downloading the Sena Device Manager,
please visit sena.com.
1.5.2 Sena Smartphone App
The Sena Smartphone App allows you to configure the Bluetooth Communication Module’s settings, as well as
access the User’s and Quick Start Guides. To do so, pair your mobile phone with your Momentum Lite Bluetooth
Helmet (please refer to Section 3: “Pairing the Helmet with other Bluetooth Devices” for more details). Run
the Sena Smartphone App and configure the settings directly from your smartphone. You can download the
Sena Smartphone App for Android and Apple operating systems.
1.6 Configuration Menu
The Bluetooth Communication Module can be configured by following a series of voice prompts. Further details
about each of these settings will be explained on the following pages.
1. To access the Configuration Menu, press and hold the Center Button for 10 seconds until you hear the voice
prompt, “Configuration menu.
2. Tap the (+) Button or the (-) Button to navigate between the menus. You will hear voice prompts for each
menu item.
3. You can enable/disable the feature or execute the command by tapping the Center Button.
2. PAIRING THE HELMET WITH OTHER BLUETOOTH DEVICES
Before using Momentum Lite Bluetooth system with other Bluetooth devices for the first time, they’ll need to be
“paired.” This enables them to recognize and communicate with one another whenever they’re within range.
The helmet’s Bluetooth Module can pair with multiple Bluetooth devices such as a mobile phone, GPS, MP3
player or Sena SR10 Two-Way Radio Adapter via Mobile Phone Pairing and Second Mobile Phone Pairing. The
Bluetooth Helmet module can also be paired with up to three other Sena headsets.
2.1 Mobile Phone
1. Execute Phone Pairing in the Configuration Menu.
2. With your mobile phone in Bluetooth-pairing mode, select Sena Momentum Lite in the list of devices detected.
3. If your mobile phone asks for a PIN, enter 0000.
2.2 Additional Mobile Phones, GPS, MP3 Player or Sena SR10 Two-Way Radio Adapter
1. Execute Second Mobile Phone Pairing in the Configuration Menu.
2. With your mobile phone in Bluetooth-pairing mode, select Sena Momentum Lite in the list of devices detected.
3. If your mobile phone asks for a PIN, enter 0000.
2.3 Advanced Selective Pairing: Hands-Free or A2DP Stereo
Phone Pairing allows the Bluetooth Module to establish two Bluetooth profiles: Hands-Free or A2DP Stereo.
Advanced Selective Pairing allows the module to separate the profiles to enable connection with two devices.
2.3.1 Phone Selective Pairing – Hands-Free Profile
1. Execute Phone Selective Pairing in the Configuration Menu.
2. With your hands-free device in Bluetooth-pairing mode, select Sena Momentum Lite in the list of devices
detected.
3. If it asks for a PIN, enter 0000.
2.3.2 Media Selective Pairing – A2DP Profile
1. Execute Media Selective Pairing in the Configuration Menu.
2. With your A2DP device in Bluetooth-pairing mode, select Sena Momentum Lite in the list of devices detected.
3. If it asks for a PIN, enter 0000.
3. MOBILE PHONE USAGE
3.1 Making and Answering Calls
Note: If you have a GPS device connected, you will not hear its voice navigations during a phone call.
3.2 Speed Dialing
3.2.1 Assigning Speed Dial Presets
1. Execute Speed Dial in the Configuration Menu by holding down the Center Button for 10 seconds, then
using the (+) and (-) Buttons to scroll through the menu. Please refer to Section 2.7: “Configuration Menu” for
more details.
2. Tap the (+) Button or the (-) Button to set up the three available Speed Dial Presets. You will hear the voice
prompt, “Speed dial” followed by the preset number.
3. On your mobile phone, call the number to which you want to assign a Speed Dial Preset. The call will be
terminated immediately. Then, you will hear the voice prompt, “Save speed dial (#).” This confirms that the
number was saved.
4. Use this procedure to save other Speed Dial Presets.
5. To exit the menu, tap the (+) Button or the (-) Button until you hear the voice prompt, “Cancel,” then tap the
Center Button to confirm.
3.2.2 Using Speed Dial Presets
1. Press and hold the (+) Button for 3 seconds to enter into the Speed Dial menu. You will hear the voice
prompt, “Speed dial.”
2. Tap the (+) Button or the (-) Button to navigate between the Speed Dial Presets.
3. To redial the last number called, tap the Center Button when you hear the prompt, “Last number redial.”
4. To call one of your Speed Dial Presets, tap the Center Button when you hear the prompt, “Speed dial (#).”
4. STEREO MUSIC
4.1 Playing Music with Bluetooth Devices
1. To play or pause music, press and hold the Center Button for 1 second until you hear a double beep.
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.
4.2 Music Sharing
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 Center Button for 1 second during an intercom conversation until you hear a
double beep. Both you and your Intercom Friend can control music playback.
4.3 Audio Boost (Default: Enable)
An Audio Boost setting can be found in the Configuration Menu. Enabling Audio Boost increases the maximum
volume limit. Disabling Audio Boost reduces the maximum volume limit while delivering more balanced sound.
5. INTERCOM SETUP
5.1 Intercom Pairing
Up to three people can communicate via intercom with the Momentum Lite Bluetooth Helmet simply by pairing
their headsets.
1. Press and hold the Center Buttons of two Bluetooth Modules for 5 seconds until you hear the voice prompt,
“Intercom pairing”.
2. Tap the Center Button on either Bluetooth Module and wait until the LEDs of both turn blue.
3. Repeat steps 1 and 2 to pair with Intercom Friends C & D.
Intercom Friends
Additional paired headsets are set up as Intercom Friends. The intercom pairing order is “Last-Come, First-
Served.” To distinguish between multiple headsets paired to the Momentum Lite Bluetooth Helmet for intercom
use, Sena designates the headset paired last as Intercom Friend 1. The previous intercom set up is designated
Intercom Friend 2; the headset paired prior to Intercom Friend 2 becomes Intercom Friend 3.
5.2 Two-Way Intercom
You can start or end an intercom conversation with an Intercom Friend by tapping the Center Button.
1. Tap once for Intercom Friend 1.
2. Tap twice for Intercom Friend 2.
3. Tap three times for Intercom Friend 3.
5.3 Multi-Way Intercom
Multi-Way Intercom enables conference-call-style conversations with up to three 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.
5.3.1 Starting a Three-Way Intercom Conference
You (A) can have a Three-Way Intercom Conference with two other Intercom Friends (B & C) by establishing
two intercom connections simultaneously.
1. Pair your headset (A) with those of two other Intercom Friends (B & C). Please refer to Section 6.1: “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 an 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 (A) and two Intercom Friends (B & C) are having a Three-Way Intercom Conference.
5.3.2 Starting a Four-Way Intercom Conference
With three Intercom Friends connected, a new participant (D) can make it a Four-Way Intercom Conference by
making an intercom call to either (B) or (C).
5.3.3 Ending Multi-Way Intercom
1. Press the Center Button for 1 second until you hear a beep to terminate all intercom connections.
2. Tap the Center Button to disconnect from your first Intercom Friend. Double tap the Center Button to
disconnect from your second Intercom Friend.
5.4 Three-Way Conference Phone Call with Intercom Users
You can have a Three-Way Conference Phone Call by adding an Intercom Friend to the mobile phone
conversation.
1. During a mobile phone call, tap the Center Button to invite one of your Intercom Friends to the conversation.
2. To disconnect the intercom during a conference phone call, tap the Center Button.
3. To disconnect the mobile phone call during a conference phone call, press the Center Button for 2 seconds.
Note: When you have an incoming intercom call during a mobile phone call, you will hear a voice prompt,
“Intercom requested.”
5.5 Group Intercom
Group Intercom allows you to instantly create a Multi-Way Conference Intercom with three of the most recently
paired headsets.
1. Pair intercoms with up to three people you want in the Group Intercom.
2. Tap the (+) Button and the (-) Button simultaneously to begin Group Intercom. The alternating blue and red
flashing lights indicates that the device is now in Group Intercom mode and you will hear a voice prompt, “Group
intercom.”
3. When all of the headsets are connected together, everyone will hear the voice prompt, “Group intercom
connected.”
4. To terminate Group Intercom, press the Center Button for 1 second during Group Intercom. You will hear a
voice prompt, “Group intercom terminated.”
5.6 Universal Intercom
Universal Intercom allows you to have intercom conversations with users of non-Sena Bluetooth headsets. You
can pair the Momentum Lite Bluetooth Helmet with only one non-Sena headset at a time. The intercom distance
depends on the performance of the Bluetooth headset to which it’s connected. When a non-Sena Bluetooth
headset is paired with the Bluetooth Helmet, if another Bluetooth device is paired via Second Mobile Phone
Pairing, it will be disconnected.
1. Execute Universal Intercom in the Configuration Menu. Please refer to Section 2.7: “Configuration Menu”
for more details.
2. Put the non-Sena Bluetooth headset in Pairing Mode. The Momentum Lite Bluetooth Helmet will automatically
pair with a non-Sena Bluetooth headset.
3. You can have Two-Way Intercom or Multi-Way Intercom communication with up to three Intercom Friends
using non-Sena headsets by following the procedures described below.
5.7 Advanced Noise Control™ (Default: Enable)
An Advanced Noise Control setting can be found in the Configuration Menu. Please refer to Section 2.7:
“Configuration Menu” for more details.
If Advanced Noise Control is enabled, background noise is reduced during intercom conversations.
If Advanced Noise Control is disabled, the background noise is mixed with your voice while using the intercom.
6. USING THE FM RADIO
6.1 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.
6.2 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 the 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 store.
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.
6.3 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 preset number.
4. To stop scanning, press the (+) Button for 1 second.
6.4 Temporary Station Preset
The Temporary Preset feature automatically finds and saves the nearest 10 radio stations without changing your
existing preset stations.
1. Tap the (+) Button three times to automatically find and save 10 stations.
2. The temporary preset stations will be cleared when the Bluetooth Module reboots.
6.5 Navigating Preset Stations
Using the methods above, up to 10 radio stations can be stored. Press and hold the Center Button for 1 second
to navigate through the saved stations.
Note: You can use the Sena Device Manager or the Sena Smartphone App to save the preset stations.
6.6 Region Selection (Default: Worldwide)
You can select the proper FM frequency range for your location from the Sena Device Manager or the Sena
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