20S EVO Quick Start Guide
Installation
This section details the physical installation of the Sena 20S EVO headset onto a helmet.
Step 1: Mount the main unit onto the helmet. The guide shows the unit being attached to a helmet clamp, with an arrow indicating upward pressure to secure it. The microphone boom extends forward.
Step 2: Secure the unit to the helmet clamp. The diagram shows the unit clicking into place on the clamp attached to the helmet.
Step 3: The installed unit on the helmet, with the microphone boom positioned near the user's mouth.
Step 4: An interior view of the helmet showing the placement of the speakers.
Microphone Direction: Ensure the microphone fin is positioned correctly near the mouth for optimal voice pickup.
DC Power Charging & Firmware Upgrade Port: Located on the main unit for charging the battery and updating firmware.
Power and Volume Control
Power On/Off
To turn the device on or off, simultaneously press and hold the [Jog Dial] and the [Phone Button] for 1 second.
Volume Adjustment
To adjust the volume, rotate the [Jog Dial]. Rotate clockwise to increase volume (+) and counter-clockwise to decrease volume (-).
Ambient Mode
Activate Ambient Mode by tapping the [Ambient Mode Button]. Double tap the [Ambient Mode Button] to turn Ambient Mode off.
Bluetooth Pairing (Phone, MP3 and GPS)
To initiate Bluetooth pairing with a phone, MP3 player, or GPS device:
- Press and hold the [Phone Button] for 5 seconds. The [Status LED] will indicate pairing mode (flashing blue and red).
- On your device, select 'Sena 20S' from the list of available Bluetooth devices.
- If prompted for a PIN, enter '0000'.
Mobile Phone Operations
- Answer Call: [Tap] the [Phone Button].
- End Call: [Tap] the [Phone Button].
- Voice Dial: [Tap] the [Phone Button].
- Speed Dial: [Double Tap] the [Phone Button].
- Reject Call: Press and hold the [Jog Dial] for 2 seconds.
- Call Transfer: Press and hold the [Phone Button] for 2 seconds to transfer the active call between the headset and your mobile phone.
Music Control
- Play/Pause Music: [Tap] the [Jog Dial] or say "Music".
- Next Track: Rotate the [Jog Dial] clockwise while pressing it.
- Previous Track: Rotate the [Jog Dial] counter-clockwise while pressing it.
Battery Check
After powering on the device, the [Status LED] indicates the battery level:
- 70 ~ 100%: [Status LED] shows Blue, Red, Blue, Blue.
- 30 ~ 70%: [Status LED] shows Blue, Red, Red, Blue.
- 0 ~ 30%: [Status LED] shows Blue, Red, Red, Red.
Intercom Operations
Quick Pairing Intercom
To pair two headsets using Quick Pairing:
- Shake both headsets. The [Status LED] on both units will turn green when successfully paired.
- [Tap] the [Jog Dial] on one headset to initiate the pairing process.
Normal Pairing Intercom
To pair two headsets using Normal Pairing:
- Press and hold the [Jog Dial] on both headsets for 6 seconds. The [Status LED] will flash red.
- [Tap] the [Jog Dial] on one headset to initiate the pairing process.
Start/End Intercom
- 1st Friend: [Tap] the [Jog Dial].
- 2nd Friend: [Tap] the [Jog Dial].
- 3rd to 9th Friend: [Tap] the [Jog Dial]. Rotate the [Jog Dial] to select the desired friend, then [Tap] to confirm or press and hold for 3 seconds to cancel.
Start/End Group Intercom
To start or end Group Intercom, press and hold the [Ambient Mode Button] for 1 second.
Radio Operations
Radio On/Off
Turn the FM Radio on or off by pressing the [Phone Button] for 2 seconds, or by saying "FM Radio".
Seek Stations
Scan for radio stations by rotating the [Jog Dial] while pressing it. Rotate clockwise for Seek Up and counter-clockwise for Seek Down.
Scan Up FM Band
To scan the FM band, [Tap] the [Phone Button] to start scanning, or [Double Tap] the [Phone Button] to stop scanning.
Save Preset
While scanning, [Tap] the [Phone Button] to save the currently tuned station as a preset.
Save or Delete Preset
To manage preset stations:
- Press and hold the [Jog Dial] for 2 seconds.
- Rotate the [Jog Dial] to select a preset number (1-10) or to cancel the operation.
- [Tap] the [Jog Dial] to save the current station to the selected preset.
- [Tap] the [Phone Button] to delete the station from the selected preset.
Move to Preset Station
To tune to a saved preset station, [Tap] the [Phone Button]. Tap sequentially to cycle through presets: 1 ➡️ 2 ➡️ ... ➡️ 5 ➡️ ... ➡️ 9 ➡️ 10.
Voice Command
Activate voice command features by tapping the [Ambient Mode Button] or by saying "Hello Sena".
| Voice Command | Function |
|---|---|
| "Music" | Music play/pause |
| "FM radio" | FM Radio on/off |
| "Intercom [one, two, ..., nine]" | Start/End each intercom |
| "Speed dial [one, two, three]" | Speed dialing |
A full version of the manual is downloadable at www.sena.com.
Sena Technologies, Inc.
Customer Support: sena.com
SENA
SENA
