Frequently Asked Questions

Press and hold the Jog Dial and Phone Button at the same time to turn the headset on or off.

Powering On                                                     Powering Off

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Charging the Headset

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You can raise or lower the volume by rotating the Jog Dial clockwise or counterclockwise. Volume is set and maintained independently at different levels for each audio source (i.e., phone, intercom), even when the headset is rebooted.

Volume Up                                                         Volume Down

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There are two ways to pair the phone.

Pairing When the 50S is Turned Off

1. Press and hold the Phone Button and Jog Dial for 3 seconds when the 50S is turned off.

Phone Pairing

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2. With your mobile phone in Bluetooth-pairing mode, select Sena 50S in the list of devices detected.

3. If your mobile phone asks for a PIN, enter 0000.

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Pairing When the 50S is Turned On

1. Press and hold the Phone Button for 5 seconds when the 50S is on.

Phone Pairing

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2. With your mobile phone in Bluetooth-pairing mode, select Sena 50S in the list of devices detected.

3. If your mobile phone asks for a PIN, enter 0000.

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1. Execute GPS Pairing.

GPS Pairing

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2. With your Bluetooth device on the GPS navigation screen, select Sena 50S in the list of devices detected.

3. If your Bluetooth device asks for a PIN, enter 0000.

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Making and Answering Calls

Answer a Call                                                      End a Call                            

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                                                                                                      mceclip1.png  Reject a Call

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1. Play or pause music. 

Play/Pause Music

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 2. Adjust the volume.

Volume Up/Down

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3. Track forward or back.

Track Forward/Backward

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You can start sharing music with one intercom friend using Bluetooth stereo music during a two-way intercom conversation and one participant of a Mesh. Both you and your intercom friend can remotely control music playback such as track forward and track back. If you start sharing music while Bluetooth intercom and Mesh Intercom are running at the same time, then music shared during Bluetooth intercom will take priority over music shared during Mesh Intercom. The Creator will send a request message to a headset connected during Mesh Intercom and will share music with the first participant that accepts the request.

Bluetooth Intercom Music Sharing

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Mesh Intercom Music Sharing

[Creator]                                                         [Participant]

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Channel Setting (Default: channel 1)

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Enter into the Channel Setting

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Navigate Between Channels

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Save the Channel

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Creating a Group Mesh

Creating a Group Mesh requires two or more Open Mesh users.

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1. Enter into Mesh Grouping to create a Group Mesh.

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2. The headsets complete Mesh Grouping and automatically switch from Open Mesh to Group Mesh.

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One of the members in an Existing Group Mesh can allow new members in Open Mesh to join the Existing Group Mesh.


New Members                                          Existing Group Mesh and Current Members

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1. One of the current members and a new member enter into Mesh Grouping to join the Existing Group Mesh.

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2. The headsets complete Mesh Grouping. The new members will hear a voice prompt as their headsets automatically switch from Open Mesh to Group Mesh.

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Pairing with Intercom Friends

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1. Press and hold the Jog Dials of two headsets for 5 seconds until you hear a voice prompt, “Intercom pairing”.

Pairing Headset A with Headset B

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2. Repeat step 1 to pair with Intercom Friends C & D.

Last-Come, First-Served

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1. Tap once for Intercom Friend 1.

Start/End with Intercom Friend 1

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2. Tap twice for Intercom Friend 2.

Start/End with Intercom Friend 2

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3. Tap three times for Intercom Friend 3.

Start/End with Intercom Friend 3

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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).

Pair with Intercom Friends B & C

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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).

Starting an Intercom Conversation with Intercom Friend B

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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).

Starting an Intercom Conversation with Intercom Friend C

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4. Now you (A) and two Intercom Friends (B & C) are having a ThreeWay Intercom Conference.

Three-Way Intercom

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FM Radio On                                                  FM Radio Off

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The “Seek” feature searches for radio stations.

1. Search for radio stations.

Seek Stations Forward                                       Seek Stations Backward

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2. Save the current station.

Enter Preset Selection Mode

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3. Navigate through the preset numbers that you want to store.

Navigate Forward/Backward Through Preset Stations

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4. Save the station in the preset number you choose or delete the station from memory.

Save Station to the Preset Number                 Delete Station from Memory

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The “Scan” function automatically searches for radio stations, starting with the current station’s frequency, then up from there.

1. Scan for stations.

Start Scanning

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2. The Sena tuner pauses at each station it finds for 8 seconds before moving to the next.

3. Save the current station. The station will be saved as the next preset number.

Save the Current Station

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4. Stop scanning.

Stop scanning

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To erase all of your settings and start fresh, the headset can be restored to factory default settings using the Factory Reset feature.

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When the headset is not working properly, you can easily reset the unit:

1. Locate the pinhole reset button below on the back of the main unit.

2. Gently insert a paperclip into the hole and tap the Fault Reset Button with light pressure.

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3. The headset will shut down.

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The Mesh Intercom feature on the 50S (referred to as Mesh 2.0) has been improved compared to the Mesh Intercom 1.0 that was introduced with the 30K. Mesh 2.0 features a robust connection, enhancing communication. 6 people can speak at the same time while a limitless number of participants can listen in. Communication response time has been improved by 25% from Mesh 1.0. Mesh 2.0 also introduces brand new ways to connect with other riders on the road. With Multi-Channel Open Mesh Intercom, you have 9 channels available, an industry first! Switch between channels to converse with different groups participating in Mesh communication. Or, switch over to Group Mesh to create a private group and have up to 24 participants.

Yes. The clamp kit for the 50S can be used with the 30K, 20S or 20S EVO. 

Here are the differences between the 50S and the 50R:

  • The 50S uses Sena's tried-and-true Jog Dial with a new design to operate the headset. The 50R uses Sena's 3-button design to operate the headset.
  • The 50S can be mounted on a helmet using the included clamp kit. If the clamp kit can't be equipped for any reason then the Glued Surface Mounting Adapter can be used to mount the headset on the outside of the helmet. The 50R can be mounted on a helmet using the included hook and loop fasteners, double sided adhesives or the clamp kit.
  • The 50S includes 3 types of microphones, the boom microphone, the wired boom microphone and the wired microphone. The 50R only includes 2 types of microphones, the wired boom microphone and the wired microphone.
  • The 50S has a slightly larger battery than the 50R.
  • The talk time for the 50S is 9 hours in Mesh Intercom and 14 hours in Bluetooth Intercom. The talk time for the 50R is 8 hours in Mesh Intercom and 13 hours in Bluetooth Intercom.

Yes. With the necessary firmware version installed on the 30K, Momentum EVO or the +Mesh, the 50S will be able to talk to someone with one of these devices through the default channel while in Open Mesh.