Sena M1 Operation & User’s Manual
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ABOUT THE M1 SMART MOUNTAIN
BIKE HELMET
5
1.1 General Information
5
1.2 Product Details
6
1.3 Package Contents
6
1.4 Wearing the Helmet
7
1.4.1
How to Wear The Helmet
7
1.4.2
Helmet Fitment Check
9
2.
GETTING STARTED: BLUETOOTH SYSTEM
10
2.1 Downloadable Sena Software
10
2.1.1
Sena Utility App
10
2.1.2
Sena Device Manager
10
2.2 Button Function
11
2.3 Powering On and Off
11
2.4 Charging
11
2.5 Checking the Battery Level
12
2.6 Volume Adjustment
12
3.
PAIRING THE BLUETOOTH SYSTEM WITH
OTHER BLUETOOTH DEVICES
13
3.1 Phone Pairing
13
3.1.1
Initially Pairing the M1
13
3.1.2
Pairing When the M1 is Turned Off
14
3.1.3
Pairing When the M1 is Turned On
14
3.2 Second Mobile Phone Pairing - Second Mobile
Phone and GPS
15
4.
MOBILE PHONE USAGE
16
4.1 Making and Answering Calls
16
TABLE OF CONTENTS
TABLE OF CONTENTS CONTINUED
5.
STEREO MUSIC
17
5.1 Bluetooth Stereo Music
17
6.
BLUETOOTH INTERCOM
18
6.1 Intercom Pairing
18
6.2 Two-Way Intercom
19
6.2.1
HD Intercom
19
6.3 Multi-Way Intercom
19
6.3.1
Starting a Three-Way Intercom Conference
19
6.3.2
Starting a Four-Way Intercom Conference
20
6.3.3
Ending Multi-Way Intercom
20
6.4 Three-Way Conference Phone Call with
Intercom Users
21
6.5 Group Intercom
21
6.6 Universal Intercom
22
7.
USING THE FM RADIO
23
7.1 FM Radio On/Off
23
7.2 Navigating Preset Stations
23
7.3 Seek and Save Radio Stations
23
7.4 Scan and Save Radio Stations
23
7.5 Temporary Station Preset
24
7.6 Region Selection
24
8.
LED TAILLIGHT
25
8.1 Using the SENA Button
25
9.
FUNCTION PRIORITY AND FIRMWARE
UPGRADES
26
9.1 Function Priority
26
9.2 Firmware Upgrades
26
TABLE OF CONTENTS CONTINUED
10. CONFIGURATION SETTING
27
10.1 Bluetooth System Configuration Menu
27
10.2 Software Configuration Setting
28
10.2.1
Unit Language
28
10.2.2 Voice Prompt (Default: Enable)
28
10.2.3 RDS AF Setting (Default: Disable)
28
10.2.4 FM Station Guide (Default: Enable)
28
10.2.5 Sidetone (Default: Disable)
28
10.2.6 Advanced Noise Control™ (Always on)
28
11. TROUBLESHOOTING
29
11.1 Fault Reset
29
11.2 Factory Reset
29
12. MAINTENANCE AND CARE
30
M1 Smart Mountain Bike Helmet | 5
1. ABOUT THE M1 SMART MOUNTAIN
BIKE HELMET
1.1 General Information
This product is a mountain bike helmet. Do not use it for any other
purpose than riding a bicycle. If you use the helmet for anything else, it
may not provide sufficient protection in an accident.
Sena recommends that you choose a helmet which provides the most
coverage, as a helmet that covers more of your head may provide
additional protection. Always wear your mountain bike helmet low in the
front to protect the forehead, as this area is most likely to be impacted
in a bicycle crash. Make sure the helmet fits comfortably and is tightly
fastened at all times.
WARNING
• Your helmet will not protect against injury in all types of accidents.
Even while wearing a helmet, low speed accidents may result
in serious head injury or death. A mountain bike helmet will not
protect against injuries to the spine, neck or face. In the event of
any impact, do not use this helmet. There may be damage invisible
to you, which may reduce the ability of the helmet to reduce the
harmful effects of a blow to the head. Such helmet should be
returned to Sena for inspection, or destroyed and replaced.
• Do not modify or remove any original part of the helmet. Do not
use heat damaged helmets. Heat damaged helmets will appear to
have uneven or have bubbly surfaces.
• This User’s Guide and the stickers inside your helmet contain
many instructions and warnings about your helmet. It is important
for you to understand everything communicated in them before
your first ride. If you do not, please contact your authorized Sena
Retailer with any questions you may have. Failure to follow any of
the provided instructions or warnings could void your warranty, and
most importantly, could result in severe personal injury or death.
If you are a parent or guardian and this helmet is for your child,
please take the time to read this manual as you should make sure
your child understands everything in this User’s Guide.
M1 Smart Mountain Bike Helmet | 6
1 ABOUT THE M1 SMArT MOUNTAIN BIKE HELMET
1.2 Product Details
Microphone
Speakers
Bluetooth System's Buttons
(+) Button
(-) Button
Blue/
red/Green
LED Lights
Center
Button
Fault reset Button
DC Power Charging &
Firmware Upgrade Port
SENA Button
1.3 Package Contents
M1 Helmet
USB Power & Data Cable
Helmet Pouch
M1 Smart Mountain Bike Helmet | 7
1 ABOUT THE M1 SMArT MOUNTAIN BIKE HELMET
1.4 Wearing the Helmet
1.4.1 How to Wear The Helmet
For proper use, the helmet must sit level on the head and low on the
forehead. The Sena helmet uses a simple, quick-release buckle system
that, once adjusted, can be buckled and unbuckled without changing
the adjustment. For proper use, the straps must be tight and evenly
tensioned.
To properly wear your helmet:
1. Position the helmet on your head with the front covering your
forehead. If the helmet is tipped back and is not covering your
forehead then the helmet is not in the proper position.
2. Position the strap adjuster centered, just below your ears.
WARNING: Always wear the helmet in the proper position on
your head with the front of the helmet covering your forehead for
maximum protection. Never wear the helmet tipped back as the
helmet will be in the improper position causing your forehead to be
exposed. All fitment adjustments need to be made with the helmet
in the proper position.
3. Position the helmet low on your forehead with the buckle under the
chin and back against the throat. The straps should fit comfortably
around both ears.
4. After removing the chinstrap pad, adjust the chinstrap tension at
the buckle with the strap adjuster in the proper position. Adjust
the tension so the chinstrap is tight and comfortable by pulling the
chinstrap end through the buckle to either tighten or loosen as
needed.
M1 Smart Mountain Bike Helmet | 8
1 ABOUT THE M1 SMArT MOUNTAIN BIKE HELMET
Chinstrap Pad
O-ring
Buckle
Strap Adjuster
Chinstrap
5. Secure the excess strap with O-ring and then attach the chinstrap
pad. Always wear the helmet with the chinstrap buckle fastened and
the chinstrap pulled tight and positioned back against the throat.
With the strap buckled and the helmet positioned, you should feel
the chinstrap pull firmly against your chin as you open your mouth.
When properly adjusted the helmet will wrap around your head and
cradle it with firm, but comfortable pressure.
6. Your helmet is equipped with an adjustable retention system which
helps stabilize the helmet in the correct position when you ride. When
wearing the helmet, turn the retention system knob clockwise to
tighten the helmet or counterclockwise to loosen the helmet.
7. To change the height of the retention system, firmly pull or push the
retention system upward or downward to a different position.
retention System Knob
retention System
WARNING: For maximum protection, this helmet must be fitted
and attached properly to the wearer’s head in accordance with the
following instructions. If after adjustment the helmet does not fit
properly, do not use the helmet. Return it to the retailer or Sena.
M1 Smart Mountain Bike Helmet | 9
1 ABOUT THE M1 SMArT MOUNTAIN BIKE HELMET
1.4.2 Helmet Fitment Check
With the retention system knob turned clockwise until comfortably tight
and the chinstrap buckled under the chin and back against the throat,
grab the helmet with both hands and try to remove it by rolling the
helmet forward and backward as far as you can. This is an important test
to ensure that the helmet fits correctly. When you do this, you should
feel the chinstrap pull against the underside of your chin and the helmet
will resist any movement. If this isn’t the case, tighten the chinstrap and
try it again until this happens. If you cannot achieve the proper fit, DO
NOT USE THIS HELMET. Replace it with a different size until the correct
fit is achieved.
Also, for a proper Helmet Fitment Check if you can roll the helmet
forward such that it blocks your vision or if you can roll the helmet
backwards such that your forehead is not covered, tighten the chinstrap
and the retention system and try again until you cannot roll the helmet
forward or backwards.
WARNING
• Do not wear anything underneath your helmet, such as a cap,
hood, bundled hair, headphones, or barrettes, as the helmet may
loosen or come off. Do not wear anyone else’s helmet and don’t
loan your helmet to anyone else.
• Always make sure the buckle is properly fastened before you ride.
Failure to follow this instruction could result in serious personal
injury, as the helmet may not stay in position while riding or during
a fall. For proper use, make sure the loose end of the chinstrap is
tucked through the rubber “O” ring.
• Check for proper fit and adjustment often, including each time you
wear it, and periodically during use.
• This helmet has been designed for recreational bicycling. This
helmet has not been approved and is not intended for extreme
uses such as downhill racing at high speeds, jumping or leaping
with a fully suspended bicycle, snow sports, water sports, motor
sports, street hockey, playground activities, or other activities where
face, ear, or greater protection or coverage is desired.
• Always wear a helmet when bicycling. When you get off your
bicycle, remove your helmet. Do not wear a helmet while climbing
trees, in play areas, on playground equipment, or, at any time while
not riding a bicycle. Parents: Instruct children to follow this warning.
Failure to follow this warning could result in serious personal injury,
death or death by strangulation.
M1 Smart Mountain Bike Helmet | 10
2. GETTING STARTED:
BLUETOOTH SYSTEM
2.1 Downloadable Sena Software
2.1.1 Sena Utility App
By simply pairing your phone with your Bluetooth system, you can use
the Sena Utility App for quicker and easier set up and management.
• App Features: Music, FM Radio, Device settings, Quick Start Guide,
and User’s Guide.
• Download
- Android: Google Play Store > ‘Sena Utility’
- iOS: App Store > ‘Sena Utility’
2.1.2 Sena Device Manager
The Sena Device Manager allows you to upgrade the firmware
and configure its settings directly from your PC or Apple computer.
Download the Sena Device Manager from sena.com.
Click Here to Visit sena.com
M1 Smart Mountain Bike Helmet | 11
2 GETTING STARTED: BLUETOOTH SYSTEM
2.2 Button Function
Bluetooth System’s Buttons
(+) Button
(-) Button
Blue/
Red/Green
LED Lights
Center
Button
SENA Button
2.3 Powering On and Off
Powering On
=
1s
HOLD
Powering Off
=
1x
TAP
2.4 Charging
Charging the Bluetooth System
Depending upon the charging
method, the Bluetooth system will
be fully charged in about 2.5 hours.
Note:
• The Bluetooth system 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 5 hours of talk time after charging the
Bluetooth system for 20 minutes.
• Please make sure to take off your helmet while charging. The
Bluetooth system automatically turns off during charging.
• Any 3rd party USB charger can be used with Sena products if the
charger is approved by either the FCC, CE, IC or other locally
approved agencies that Sena accepts.
• The M1 is compatible with 5 V input USB-charged devices only.
M1 Smart Mountain Bike Helmet | 12
2 GETTING STARTED: BLUETOOTH SYSTEM
2.5 Checking the Battery Level
Instruction is for when powering the Bluetooth system on.
Visual Method
=
1s
HOLD
=
HIGH
=
MEDIUM
=
LOW
Note:
• The battery performance may be reduced over time with usage.
• Battery life may vary depending on conditions, environmental
factors, functions of the product in use, and devices used with it.
2.6 Volume Adjustment
Volume is set and maintained independently at different levels for each
audio source, even when the Bluetooth system is rebooted.
Volume Up
=
1x
TAP
Volume Down
=
1x
TAP
M1 Smart Mountain Bike Helmet | 13
3. PAIRING THE BLUETOOTH SYSTEM
WITH OTHER BLUETOOTH DEVICES
When using the Bluetooth system 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 pairing operation is required only once for each Bluetooth device.
The Bluetooth system can pair with multiple Bluetooth devices such
as a mobile phone, GPS, or MP3 player via Mobile Phone Pairing and
Second Mobile Phone Pairing.
3.1 Phone Pairing
There are three ways to pair the phone.
3.1.1 Initially Pairing the M1
The Bluetooth system will automatically enter the phone pairing mode
when you initially turn on the Bluetooth system or in the following
situation:
• Rebooting after executing Factory Reset
1. Press and hold the (+) Button and Center Button for 1 second.
Phone Pairing
=
1s
HOLD
“Phone Pairing”
= Alternating blue and red flashing lights indicate the device
is now discoverable.
2. With your mobile phone in Bluetooth-pairing mode, select M1 in the
list of devices detected.
M1 Smart Mountain Bike Helmet | 14
3 Pairing tHe BluetootH SySteM witH otHer BluetootH DeviceS
3. If your mobile phone asks for a PIN, enter 0000.
=
PIN
NUMBER
Note:
• The phone pairing mode lasts for 3 minutes.
• To cancel phone pairing, tap the Center Button.
3.1.2 Pairing When the M1 is Turned Off
1. Press and hold the (+) Button and Center Button for 5 seconds
when the M1 is turned off.
Phone Pairing
=
5s
HOLD
“Phone Pairing”
= Alternating blue and red flashing lights indicate the device
is now discoverable.
2. With your mobile phone in Bluetooth-pairing mode, select M1 in the
list of devices detected.
3. If your mobile phone asks for a PIN, enter 0000.
=
PIN
NUMBER
3.1.3 Pairing When the M1 is Turned On
1. Press and hold the Center Button for 10 seconds when the M1 is
turned on.
Phone Pairing
=
10s
HOLD
M1 Smart Mountain Bike Helmet | 15
3 Pairing tHe BluetootH SySteM witH otHer BluetootH DeviceS
“Phone Pairing”
= Alternating blue and red flashing lights indicate the device
is now discoverable.
2. With your mobile phone in Bluetooth-pairing mode, select M1 in the
list of devices detected.
3. If your mobile phone asks for a PIN, enter 0000.
=
PIN
NUMBER
3.2 Second Mobile Phone Pairing - Second Mobile
Phone and GPS
1. Execute Second Mobile Phone Pairing in the Configuration Menu.
Second Mobile Phone Pairing
=
15s
HOLD
“Configuration menu”
=
1x
TAP
“Second mobile
phone pairing”
= Blue flashing light indicates the device is now
discoverable.
2. With your mobile phone in Bluetooth-pairing mode, select M1 in the
list of devices detected.
3. If your mobile phone asks for a PIN, enter 0000.
=
PIN
NUMBER
M1 Smart Mountain Bike Helmet | 16
4. MOBILE PHONE USAGE
4.1 Making and Answering Calls
Answer a Call
=
1x
TAP
End/Reject a Call
=
2s
HOLD
Make a Call with Voice Dialer
=
3s
HOLD
M1 Smart Mountain Bike Helmet | 17
5. STEREO MUSIC
5.1 Bluetooth Stereo Music
Play/Pause Music
=
1s
HOLD
Volume Up/Down
=
or
1x
TAP
Next Track
=
1s
HOLD
Previous Track
=
1s
HOLD
M1 Smart Mountain Bike Helmet | 18
6. BLUETOOTH INTERCOM
6.1 Intercom Pairing
Up to three other people can be paired with the helmet for Bluetooth
intercom conversations.
1. Press and hold the Center Button of two Bluetooth systems for
5 seconds until flashes red.
2. Tap the Center Button on either Bluetooth system and wait until the
LEDs of both turn blue.
Pairing with Intercom B
&
=
5s
HOLD
On Either One of the Devices
or
=
1x
TAP
3. Repeat steps 1 and 2 to pair with Intercom Friends C & D.
Last-Come, First-Served
YOU
Intercom
Friend 1
YOU
Intercom
Friend 1
Intercom
Friend 2
YOU
Intercom
Friend 1
Intercom
Friend 2
Intercom
Friend 3
M1 Smart Mountain Bike Helmet | 19
6 BLUETOOTH INTERCOM
6.2 Two-Way Intercom
You can start or end an intercom conversation with an Intercom Friend
by tapping the Center Button.
Start/End Two-Way Intercom with Intercom Friend 1,2,3
=
1x
TAP
Intercom
Friend 1
=
2x
TAP
Intercom
Friend 2
=
3x
TAP
Intercom
Friend 3
6.2.1 HD Intercom
HD Intercom enhances the two-way intercom audio from normal quality
to HD quality. when you enter into a multi-way intercom, HD Intercom
will be automatically disabled. If this feature is disabled, the intercom
audio will change to normal quality.
• HD intercom is only active for two-way intercom.
6.3 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.
6.3.1 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. You (A) need to be paired with two other Intercom Friends (B & C)
for three-way conference intercom.
2. Start an intercom conversation with one of the two friends in your
intercom group.
M1 Smart Mountain Bike Helmet | 20
6 BLUETOOTH INTERCOM
3. You (A) can call the second Intercom friend (C) by double tapping
the Center Button, or the second Intercom friend (C) may join the
intercom by making an intercom call to you (A).
1
YOU
Intercom
Friend B
Intercom
Friend C
2
YOU
Intercom
Friend B
Intercom
Friend C
3
YOU
Intercom
Friend B
Intercom
Friend C
6.3.2 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).
Intercom
Friend B
YOU
Intercom
Friend C
Intercom
Friend D
6.3.3 Ending Multi-Way Intercom
1. Press and hold 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.
M1 Smart Mountain Bike Helmet | 21
6 BLUETOOTH INTERCOM
6.4 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.
Invite an Intercom Friend into Phone Conference
=
1x
TAP
Disconnect the intercom during a conference phone call
=
1x
TAP
Disconnect the mobile phone call during a conference phone call
=
2s
HOLD
6.5 Group Intercom
Group Intercom allows you to instantly create a Multi-Way Conference
Intercom with three of the most recently paired Bluetooth systems.
Go through intercom pairing with up to three people you want in the
Group Intercom.
Start Group Intercom
=
1x
TAP
Terminate Group Intercom
=
1s
HOLD
M1 Smart Mountain Bike Helmet | 22
6 BLUETOOTH INTERCOM
6.6 Universal Intercom
Universal Intercom allows you to have intercom conversations with
users of non-Sena Bluetooth headsets. You can pair the Bluetooth
system 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 system while another Bluetooth device is paired via Second
Mobile Phone Pairing, it will be disconnected.
1. Access Universal Intercom Pairing in the Bluetooth System
Configuration Menu.
=
15s
HOLD
=
2x
TAP
=
1x
TAP
2. Put the non-Sena Bluetooth headset in Pairing Mode. The Bluetooth
system 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.
Three-Way Universal Intercom
YOU
Non-Sena Headset
Sena Headset
Four-Way Universal Intercom
YOU
Non-Sena
Headset
Sena
Headset
Non-Sena
Headset
Note: Some non-Sena headsets may not support Multi-Way Universal
Intercom.
M1 Smart Mountain Bike Helmet | 23
7. USING THE FM RADIO
7.1 FM Radio On/Off
FM Radio On
=
1s
HOLD
FM Radio Off
=
1s
HOLD
7.2 Navigating Preset Stations
Navigate through Preset Stations
=
1s
HOLD
7.3 Seek and Save Radio Stations
Seek Stations Forward
=
2x
TAP
Seek Stations Backward
=
2x
TAP
Save Stations
You can save current station from the Sena Device Manager or the
Sena Utility App.
7.4 Scan and Save Radio Stations
Start Scanning
=
1s
HOLD
Stop Scanning
=
1s
HOLD
Save Stations
You can save current station from the Sena Device Manager or the
Sena Utility App.
M1 Smart Mountain Bike Helmet | 24
7 USING THE FM RADIO
7.5 Temporary Station Preset
The Temporary Preset feature automatically finds and saves the nearest
10 radio stations without changing your existing preset stations. The
temporary preset stations will be cleared when the Bluetooth system
reboots.
=
3x
TAP
7.6 Region Selection
You can select the proper FM frequency range for your location from
the Sena Device Manager or the Sena Utility App. Using the region
setting, you can optimize the seek function to avoid unnecessary
frequency ranges.
Region
Frequency range
Step
Worldwide
76.0 ~ 108.0 MHz
± 100 kHz
North America,
South America and Australia
87.5 ~ 107.9 MHz
± 200 kHz
Asia and Europe
87.5 ~ 108.0 MHz
± 100 kHz
Japan
76.0 ~ 95.0 MHz
± 100 kHz
M1 Smart Mountain Bike Helmet | 25
8. LED TAILLIGHT
There is a Red LED on the back of the helmet to ensure you stand out
on the road.
8.1 Using the SENA Button
LED On and Solid
=
1x
TAP
1s~
Night Flash
=
1x
TAP
1s~
Day Flash
=
1x
TAP
1s~
LED Off
=
1x
TAP
Note: Do not tap the button continuously.
M1 Smart Mountain Bike Helmet | 26
9.
FUNCTION PRIORITY AND
FIRMWARE UPGRADES
9.1
Function Priority
The Bluetooth system operates in the following order of priority:
(highest)
Mobile phone
Bluetooth Intercom
FM radio
(lowest)
Bluetooth stereo music
A lower priority function is always interrupted by a higher priority
function.
9.2
Firmware Upgrades
The Bluetooth system supports firmware upgrades. You can upgrade
the firmware using the Sena Device Manager. Please visit sena.com to
check for the latest software downloads.
Click Here to Visit sena.com
M1 Smart Mountain Bike Helmet | 27
10. CONFIGURATION SETTING
10.1
Bluetooth System Configuration Menu
Accessing the Configuration
Menu
=
15s
HOLD
Navigating Between Menu
Options
=
1x
TAP
=
1x
TAP
Execute Menu Options
=
1x
TAP
Bluetooth System Configuration Menu
Voice Configuration Menu
Tap the Center Button
Second Mobile Phone Pairing
None
Universal Intercom Pairing
Execute
Factory Reset
Execute
Exit Configuration
Execute
M1 Smart Mountain Bike Helmet | 28
10 CONFIGURATION SETTING
10.2
Software Configuration Setting
You can change the settings of the Bluetooth system through the Sena
Device Manager or the Sena Utility App.
10.2.1 Unit Language
You can select the device language. The selected language is
maintained even when the Bluetooth system is rebooted.
10.2.2 Voice Prompt (Default: Enable)
You can disable voice prompts by software configuration settings, but
the following voice prompts are always on.
- Bluetooth system configuration settings menu, battery level indicator,
FM radio functions
10.2.3 RDS AF Setting (Default: Disable)
Radio Data System (RDS) Alternative Frequency (AF) Setting allows
a receiver to re-tune to the second frequency location when the first
signal becomes too weak. With RDS AF enabled on the receiver, a radio
station with more than one frequency can be used.
10.2.4 FM Station Guide (Default: Enable)
When FM Station Guide is enabled, FM station frequencies are given
by voice prompts as you select preset stations. When FM Station Guide
is disabled, the voice prompts on FM station frequencies will not be
given as you select preset stations.
10.2.5 Sidetone (Default: Disable)
Sidetone is audible feedback of your own voice. It helps you to naturally
speak at the correct level according to varying helmet noise conditions.
If this feature is enabled, you can hear what you are speaking during an
intercom conversation or a phone call.
10.2.6 Advanced Noise Control™ (Always on)
The background noise is reduced during an intercom conversation.
M1 Smart Mountain Bike Helmet | 29
11. TROUBLESHOOTING
11.1
Fault Reset
When the Bluetooth system is not working properly, you can easily reset
the unit:
1. Locate the pinhole reset button below Sena logo at the back side of
the helmet.
2. Gently insert a paper clip into the hole and press and Fault Reset
Button for 1 second with light pressure.
=
FAULT
RESET
11.2
Factory Reset
To erase all of your settings and start fresh, the system can be restored
to factory default settings using the factory reset.
=
15s
HOLD
=
2x
TAP
=
1x
TAP
M1 Smart Mountain Bike Helmet | 30
12. MAINTENANCE AND CARE
The inner lining of the helmet is completely removable. Its headliner
can be washed by hand using only water, mild soap, at a maximum
temperature of 30ºC (86ºF), and non-abrasive cloths to clean the
helmet’s shell, pads and retention system. Allow the padding to dry
at room temperature. Store the helmet in a dry, dark, well-ventilated
location, out of the reach of children and animals. High temperatures
(above 110ºF, 43ºC) may melt the helmet’s shell.
WARNING
• Never use gasoline, diesel fuel, thinners or solvents to clean the
helmet. These substances can cause serious damage to the helmet,
even though the resulting damage may not be visible. This helmet
can be damaged by contact with common substances (for example,
certain solvents (ammonia), cleaners (bleach), paints, abrasives)
and this damage may not be visible to the wearer. Do not use this
helmet if it has been exposed to such substances. The full safety
function of the helmet can no longer be guaranteed if exposed to
damaging substances.
• Do not store your helmet in your car or anywhere else near a heat
source. Do not use if the shell has been melted or deformed.
Always position the helmet so that it cannot fall to the floor.
Damage that occurs in this way is not covered by the warranty.
• Do not attach anything to your helmet, including mirrors or lights.
The shell of this helmet is constructed of expanded polystyrene foam.
Ventilation holes may allow harmful objects to pass in the helmet
interior.
The protective capability of your helmet will diminish over time,
dependent upon many factors such as dents, dings, and exposure to
pollution, harmful chemicals and long term exposure to the sun. Sena
recommends that helmets be replaced after five years.
Note: The useful life of your helmet may be less than five years as a
result of exposure to sunlight, rough, handling/storage that results in
dents or cuts or as a result of heavy use.
M1 Smart Mountain Bike Helmet | 31
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