Ọrọ Iṣaaju
The Sena 20S EVO is an advanced Bluetooth communication system designed for motorcycle riders. It features a fixed shark fin antenna for improved intercom stability and distance, along with premium HD speakers for enhanced audio quality. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your 20S EVO system.

Figure 1: Sena 20S EVO Dual Pack Product Packaging
Alaye Aabo
General safety warnings about battery handling, avoiding water and extreme temperatures, and potential interference with other wireless devices. Always prioritize road safety while using the device.
Package Awọn akoonu
The Sena 20S EVO package typically includes the following components:
- Headset Unit(s)
- HD Agbọrọsọ
- Ariwo Gbohungbohun
- Gbohungbo onina
- Àṣíborí Clamp Kit
- Adhesive Mount Adapter
- Okùn Gbigba agbara USB ati okun data
- Awọn paadi Agbọrọsọ
- Kio ati Loop fasteners fun Agbọrọsọ
- Hook and Loop Fasteners for Boom Microphone
- Kio ati Yipo fasteners fun ti firanṣẹ Gbohungbo
- Allen Wrench

Figure 2: Sena 20S EVO Headset and Included Components
Eto ati fifi sori
Proper installation ensures optimal performance and comfort. The 20S EVO can be mounted using either the helmet clamp kit or the adhesive mount adapter.
1. Yíyan Ibi Tí A Ti Ń Sopọ̀ Sí
Select a flat surface on the left side of your helmet where the unit will not obstruct your vision or movement. Ensure the microphone can be positioned correctly in front of your mouth.
2. Installing the Clamp Unit or Adhesive Mount
- Clamp Ẹyọ: Loosen awọn skru lori clamp Fi ẹ̀rọ náà sí ara wọn kí o sì fà á láàárín ìbòrí àṣíborí àti àwọn ohun èlò inú. Di àwọn skru náà mú dáadáa.
- Oke alemora: Clean the chosen helmet surface thoroughly with an alcohol wipe and let it dry. Peel off the backing from the adhesive mount and firmly press it onto the helmet for at least 30 seconds. Allow 24 hours for the adhesive to fully cure before use.
3. Attaching the Main Unit
Slide the main 20S EVO unit onto the mounted clamp or adhesive adapter until it clicks securely into place.

olusin 3: Apa View of the Sena 20S EVO Unit
4. Fifi sori ẹrọ agbọrọsọ ati gbohungbohun
- Awọn agbọrọsọ: Place the HD speakers inside the helmet's ear pockets, ensuring they are centered over your ears for optimal sound. Use the provided hook and loop fasteners to secure them.
- Gbohungbohun: For full-face helmets, use the wired microphone and route it along the helmet's interior. For open-face or modular helmets, attach the boom microphone to the helmet's chin bar using the hook and loop fastener, positioning it approximately 1-2 cm from your mouth.

Figure 4: Sena 20S EVO with Speakers and Boom Microphone Attached
Awọn ilana Iṣiṣẹ
The Sena 20S EVO features intuitive controls, primarily through its jog dial and various buttons.
1. Agbara Tan / Paa
- Agbara Tan: Press and hold the Phone Button and the Jog Dial for 1 second.
- Agbara Pa: Tap the Phone Button and the Jog Dial simultaneously.
2. Sisopọ Bluetooth
To pair with your mobile phone or other Bluetooth devices:
- With the 20S EVO powered off, press and hold the Phone Button for 5 seconds until you hear "Phone pairing".
- On your mobile phone, enable Bluetooth and search for devices. Select "Sena 20S EVO" from the list.
- If prompted, enter PIN "0000".
3. Intercom ibaraẹnisọrọ
The 20S EVO supports group intercom communication for up to 8 riders over a distance of up to 2.0 km (1.2 miles) in open terrain.
- Bẹrẹ Intercom: Tap the Jog Dial once to initiate intercom with the first paired friend.
- Ipari Intercom: Tap the Jog Dial once again.
- Intercom Ẹgbẹ: Follow the instructions in the full user manual for multi-way intercom setup.
4. Sisisẹsẹhin Orin
- Ṣiṣẹ/Daduro: Tẹ Jog Dial fun iṣẹju-aaya kan.
- Orin t’okan: Yi Jog Dial pada ni apa aago.
- Tẹlẹ Orin: Yi Jog Dial pada ni ọna ti o lodi si aago.
- Iṣakoso iwọn didun: Rotate the Jog Dial while pressing it down.

Figure 5: Sena 20S EVO Connectivity Features
5. Awọn ipe foonu
- Idahun Ipe: Fọwọ ba Bọtini foonu naa.
- Ipe Ipari: Press the Phone Button for 2 seconds.
- Kọ Ipe: Press the Phone Button for 2 seconds when a call is incoming.
- Pipe pẹlu ohun: Press the Phone Button for 3 seconds.

Figure 6: Sena 20S EVO in Use on a Motorcycle Helmet
Itoju
Regular maintenance helps prolong the life of your Sena 20S EVO.
- Ninu: Mu ese kuro pẹlu rirọ, damp asọ. Maṣe lo awọn kẹmika ti o lewu tabi awọn olomi.
- Gbigba agbara: Charge the unit fully before long periods of storage. The charging time is approximately 2.5 hours.
- Ibi ipamọ: Tọju ẹrọ naa ni itura, aye gbigbẹ nigbati o ko ba wa ni lilo.
- Awọn imudojuiwọn famuwia: Ṣe àyẹ̀wò Sena lẹ́ẹ̀kọ̀ọ̀kan webaaye fun awọn imudojuiwọn famuwia lati rii daju iṣẹ ṣiṣe to dara julọ ati iraye si awọn ẹya tuntun.
Laasigbotitusita
If you encounter issues with your Sena 20S EVO, try the following solutions:
| Isoro | Owun to le Fa / Solusan |
|---|---|
| Ko si Agbara | Battery drained. Charge the unit. Ensure charging cable is properly connected. |
| Ko le So Bluetooth pọ | Ensure the 20S EVO is in pairing mode. Check if other devices are already connected. Try resetting the 20S EVO to factory settings. |
| Intercom Disconnects / Poor Stability | Out of range. Obstructions between units. Ensure fixed shark fin antenna is not obstructed. Firmware update may be needed. |
| Audio Quality Issues (Low Volume, Distortion) | Speakers not positioned correctly over ears. Volume too low on device or 20S EVO. Check microphone placement. |
| Voice Commands Not Working | Microphone not positioned correctly. Excessive wind noise. Speak clearly and directly into the microphone. |
| Unit Rattles / Loose Connection to Clamp | Ensure the main unit is fully clicked into the clamp. Re-check clamp screws for tightness. |
Atunto ile-iṣẹ
If problems persist, a factory reset may resolve them. Refer to the full user manual for detailed instructions on performing a factory reset.
Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Orukọ awoṣe | 20S EVO |
| Asopọmọra Technology | Bluetooth |
| Imọ-ẹrọ Ibaraẹnisọrọ Alailowaya | Bluetooth |
| Awọn irinše to wa | Headset, Cable |
| Ohun elo | Ṣiṣu |
| Awọn Lilo Ni pato Fun Ọja | Motorcycle Bluetooth communication |
| Akoko gbigba agbara | 2.5 Wakati |
| Niyanju Lilo Fun Ọja | Alupupu |
| Iṣakoso Iru | Iṣakoso Media |
| Iwọn Nkan | 61 Giramu (2.15 iwon) |
| Omi Resistance Ipele | Omi sooro |
| Ọna Iṣakoso | Touch, Jog Dial |
| Ọja Mefa | 1.9 x 3.7 x 1 inches |
| Batiri Iru | 1 Batiri litiumu polima (pẹlu) |
| Idahun Igbohunsafẹfẹ | 10000 Hz |
| Ipalara | 2200 ohm |
Atilẹyin ati Alaye siwaju sii
For more detailed instructions, advanced features, and the latest firmware updates, please refer to the official Sena website or download the complete user guide:
- Itọsọna olumulo osise (PDF): Download Nibi
- Àtìlẹ́yìn Sena Webojula: Ṣabẹwo sena.com/support for FAQs, video tutorials, and contact information.





