Sena ABC User manual

ABC
MOTORCYCLE MESH COMMUNICATION SYSTEM
FOR AVA ARROW HELMETS
ENGLISH
USER’S GUIDE
Version 1.0.0

TABLE OF CONTENTS
1. ABOUT THE ABC 5
1.1 Product Features 5
1.2 Product Details 6
1.3 Package Contents 7
2. INSTALLING THE HEADSET ON YOUR HELMET 8
2.1 Preparing the Helmet for Installation 8
2.2 Installing the Headset 9
3. GETTING STARTED 13
3.1 Downloadable Software 13
3.1.1 Sena Motorcycles App 13
3.1.2 Sena Device Manager 13
3.2 Charging 14
3.3 Legend 14
3.4 Powering On and Off 14
3.5 Volume Adjustment 15
3.6 Checking the Battery Level 15
4. PAIRING THE HEADSET WITH OTHER
BLUETOOTH DEVICES 16
4.1 Phone Pairing 16
4.1.1 Initially Pairing the ABC 16
4.1.2 Pairing When the ABC is Turned Off 17
4.1.3 Pairing When the ABC is Turned On 17
4.2 Second Mobile Phone Pairing - Second
Mobile Phone and GPS 18
4.3 GPS Pairing 18

TABLE OF CONTENTS CONTINUED
5. MOBILE PHONE USAGE 19
5.1 Making and Answering Calls 19
5.2 Speed Dialing 19
5.2.1 Assigning Speed Dial Presets 19
5.2.2 Using Speed Dial Presets 19
5.3 HD Voice (Always On) 20
6. STEREO MUSIC 21
6.1 Playing Music with Bluetooth Devices 21
7. MESH INTERCOM 22
7.1 What is Mesh Intercom? 22
7.1.1 Open Mesh 23
7.1.2 Group Mesh 23
7.2 Starting Mesh Intercom 24
7.3 Using the Mesh in Open Mesh 24
7.3.1 Channel Setting (Default: channel 1) 24
7.4 Using Mesh in Group Mesh 25
7.4.1 Creating a Group Mesh 25
7.4.2 Joining an Existing Group Mesh 26
7.5 Enable/Disable Mic (Default: Enable) 27
7.6 Toggling Open Mesh/Group Mesh 27
7.7 Reset Mesh 27
8. MESH AUDIO MULTITASKING (ALWAYS ON) 28
9. FUNCTION PRIORITY AND FIRMWARE
UPGRADES 29
9.1 Function Priority 29
9.2 Firmware Upgrades 29

TABLE OF CONTENTS CONTINUED
10. CONFIGURATION SETTING 30
10.1 Headset Configuration Menu 30
10.1.1 Remote Control Pairing 30
10.2 Software Configuration Setting 31
10.2.1 Headset Language 31
10.2.2 Audio Equalizer (Default: Off) 31
10.2.3 VOX Phone (Default: Enable) 31
10.2.4 VOX Sensitivity (Default: 3) 31
10.2.5 Intercom-Audio Overlay Sensitivity (Default: 3) 32
10.2.6 Audio Overlay Volume Management
(Default: Disable) 32
10.2.7 Voice Prompt (Default: Enable) 32
11. TROUBLESHOOTING 33
11.1 Fault Reset 33
11.2 Factory Reset 33

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1. ABOUT THE ABC
1.1 Product Features
Bluetooth®5.2
Mesh Intercom™ up to 2 km (1.2 mi)*
Audio Multitasking™
* in open terrain
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1 ABOUT THE ABC
ABC Motorcycle Mesh Communication System for Ava Arrow Helmets | 6
1.2 Product Details
Speaker
Charging &
Status LED
Speaker Antenna
Button Module
(+) Button
(-) Button
Mesh Intercom Button
Center Button
DC Power Charging &
Firmware Upgrade Port
Microphone
Connector

1 ABOUT THE ABC
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1.3 Package Contents
ABC Hook and Loop Fastener
for Wired Microphone Wired Microphone
Hook and Loop Fasteners
for Speakers
USB Power & Data Cable
(USB-C)

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2. INSTALLING THE HEADSET ON YOUR
HELMET
To securely install the ABC on your helmet, please follow this procedure.
2.1 Preparing the Helmet for Installation
1. While pushing the tab on the Button Module cover, push it upward
to remove it.
2. While pushing the tab on the rear cover, remove the rear cover with
your thumbs.
3. Detach the cheek pads’ snap fasteners and remove the cheek pads
from the helmet.
CHAPTER

2 INSTALLING THE HEADSET ON YOUR HELMET
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4. Detach the center pad’s snap fasteners and take the center pad off.
2.2 Installing the Headset
1. Align the arrows on the microphone cable with the microphone
connector. Then, insert the cable into the connector.
2. Push the Battery Module into the corresponding slot until you hear a
click.
Note: Make sure the helmet’s rubber guard is not jammed between
the Battery Module and its slot.

2 INSTALLING THE HEADSET ON YOUR HELMET
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3. Peel off the cover of the hook and loop fastener’s adhesive tape for
the microphone and attach it to the groove in the inner shell of the
helmet. Then, attach the microphone to the hook and loop fastener.
4. Insert the microphone connector into the groove in the inner shell.
Place the remaining portion of the microphone’s cable in the left
speaker pocket for installing the left speaker unit as shown in the
illustration.
5. Peel off the cover of the hook and loop fastener’s adhesive tape for
the left speaker and attach it to the groove in the inner shell of the
helmet. Then, attach the left speaker to the hook and loop fastener.
Note: To prevent them from interfering with the installation pads, tuck
the remaining portion of the cable into the grooves and crevices in the
inner shell.

2 INSTALLING THE HEADSET ON YOUR HELMET
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6. Repeat step 5 on the other side.
7. Insert the antenna between the inner and external shells. Make sure
the end of the antenna is next to the line.
Next to the line
8. Slide the Button Module into the corresponding place. Make
sure that the grooves on the back of the Button Module fit the
corresponding grooves.
Note: To prevent them from interfering with the installation pads, put
the remaining portion of the cable into the gap under the helmet’s
rubber guard.
9. Reattach the center pad and snap the snap fasteners.

2 INSTALLING THE HEADSET ON YOUR HELMET
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10. Align the cheek pad’s cutout with the Button Module’s cable. Then,
slide cheek pads between the inner and external shells, and reattach
the cheek pads’ snap fasteners.

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3. GETTING STARTED
3.1 Downloadable Software
3.1.1 Sena Motorcycles App
By simply pairing your phone with your headset, you can use the Sena
Motorcycles App for quicker, easier set up and management.
Sena Motorcycles
• Download the Sena Motorcycles App on Huawei App Gallery,
Tencent MyApp, or App Store.
3.1.2 Sena Device Manager
The Sena Device Manager allows you to upgrade firmware and
configure settings directly from your PC.
Sena Device Manager
• Download the Sena Device Manager at oem.sena.com/ava.
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3 GETTING STARTED
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3.2 Charging
Charging the Headset
Depending upon the
charging method, the
headset will be fully
charged in about 2.5 hours.
Note:
• Please make sure to take off your ABC-installed helmet while
charging. The headset automatically turns off during charging.
• The headset includes a Fast Charging feature which allows it to
charge quickly over a short period of time. For example, a user
can get up to 2.0 hours of Mesh communication after charging the
headset for 20 minutes.
• Any 3rd party USB charger can be used with ABC if the charger
is approved by either the FCC, CE, IC, or other locally approved
agencies.
• Use of a non-approved charger may cause fire, explosion,
leakage, and other hazards which may also reduce the life time or
performance of the battery.
• The ABC is compatible with 5 V input USB-charged devices only.
3.3 Legend
1x
TAP Tap button the specified
number of times 10s
HOLD Press and Hold button for
the specified amount of time
“Hello” Audible prompt
3.4 Powering On and Off
Powering On
=1s
HOLD
Powering Off
=1x
TAP

3 GETTING STARTED
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3.5 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.
Volume Up
=1x
TAP
Volume Down
=1x
TAP
3.6 Checking the Battery Level
Instructions are for when powering the headset on.
Powering On
=1s
HOLD
=
=
=
Note: When the battery is low while in use, you will hear a voice
prompt saying “Low battery.”

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4. PAIRING THE HEADSET WITH OTHER
BLUETOOTH DEVICES
When using the headset with other Bluetooth devices for the first time,
they will need to be “paired.” This enables them to recognize and
communicate with one another whenever they are within range.
The headset can pair with multiple Bluetooth devices such as a mobile
phone, GPS, or MP3 player via Mobile Phone Pairing, Second Mobile
Phone Pairing and GPS Pairing.
Mobile
Phone
MP3
Player
GPS
Devices
4.1 Phone Pairing
There are three ways to pair the phone.
4.1.1 Initially Pairing the ABC
The headset will automatically enter the phone pairing mode when you
initially turn on the headset or in the following situation:
• Rebooting after executing Factory Reset; or
• Rebooting after executing Delete All Pairings.
1. Press and hold the Center Button and the (+) Button for 1 second.
=1s
HOLD Blinking
“Phone pairing”
Note:
• The phone pairing mode lasts for 3 minutes.
• To cancel phone pairing, tap the Center Button.
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4 PAIRING THE HEADSET WITH OTHER BLUETOOTH DEVICES
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2. Select ABC in the list of Bluetooth
devices detected. If your mobile
phone asks for a PIN, enter 0000.
Device B
Pi
Bluetooth
ABC
4.1.2 Pairing When the ABC is Turned Off
1. While the headset is off, press and hold the Center Button and the
(+) Button until the LED flashes red and blue alternately and you hear
a voice prompt, “Phone pairing.”
=HOLD
Blinking
“Phone pairing”
2. Select ABC in the list of Bluetooth
devices detected. If your mobile
phone asks for a PIN, enter 0000.
Device B
Pi
Bluetooth
ABC
4.1.3 Pairing When the ABC is Turned On
1. While the headset is on, press and hold the Center Button for
5 seconds.
=5s
HOLD Blinking
“Phone pairing”
2. Select ABC in the list of Bluetooth
devices detected. If your mobile
phone asks for a PIN, enter 0000.
Device B
Pi
Bluetooth
ABC

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4.2 Second Mobile Phone Pairing - Second Mobile
Phone and GPS
1. Press and hold the Center Button for 10 seconds.
=10s
HOLD “Configuration menu”
2. Tap the (+) Button.
=1x
TAP Blinking
“Second mobile
phone pairing”
3. Select ABC in the list of Bluetooth
devices detected. If your Bluetooth
device asks for a PIN, enter 0000.
Device B
Pi
Bluetooth
ABC
4.3 GPS Pairing
1. Press and hold the Center Button for 10 seconds.
=10s
HOLD “Configuration menu”
2. Double tap the (+) Button.
=2x
TAP Blinking
“GPS pairing”
3. Select ABC in the list of devices
detected. If your Bluetooth device
asks for a PIN, enter 0000.
Device B
Pi
Bluetooth
ABC
Note: If you pair your GPS device via GPS Pairing, its instruction will
interrupt your Mesh Intercom conversations.

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5. MOBILE PHONE USAGE
5.1 Making and Answering Calls
Answer a Call
=1x
TAP
Reject a Call
=2s
HOLD
End a Call
=2s
HOLD
Call a Voice Assistant
=3s
HOLD in stand by
mode
Note: If you have a GPS device connected, you will not hear its voice
navigations during a phone call.
5.2 Speed Dialing
5.2.1 Assigning Speed Dial Presets
Speed Dial Presets could be assigned through the Sena Device
Manager or the Sena Motorcycles App.
5.2.2 Using Speed Dial Presets
1. Enter into the Speed Dial menu.
=3s
HOLD “Speed dial”
2. Navigate forward or backward through Speed Dial Preset numbers.
=1x
TAP or =1x TAP
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5 MOBILE PHONE USAGE
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3. Call one of your Speed Dial Presets numbers.
=1x
TAP “Speed dial (#)”
4. Redial the last number called.
Redial Last Number
=1x
TAP “Last number redial”
5.3 HD Voice (Always On)
HD Voice allows you to communicate in high-definition during phone
calls. This feature increases the quality so that the audio will be crisp
and clear during phone call conversations.
Note: Refer to the manufacturer of your Bluetooth device that will be
connected to the headset to see if it supports HD Voice.