HJC SMART 21B User manual

ENGLISH
USER’S GUIDE
Version 1.0.0
2nd GEN STANDARD MOTORCYCLE BLUETOOTH®
COMMUNICATION SYSTEM FOR HJC HELMETS

1. ABOUT THE SMART HJC 21B 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 Helmet Installation 8
2.1.1 Modular Chin Bar / Open & Full Face Visor
Opening 8
2.1.2 Helmet Module Cover Removing 8
2.1.3 Helmet’s Cheek Pad Take Off 9
2.1.4 Button Module Installation 9
2.1.5 Bluetooth Module Installation 10
2.1.6 Microphone Installation 11
2.1.7 Speaker Module Installation 14
2.1.8 Wire Arrangement 15
2.1.9 Cheek Pad Fasten Up 15
2.1.10 Modular Chin Bar / Open & Full Face Visor
Closing 16
3. GETTING STARTED 17
3.1 Downloadable Software 17
3.1.1 SMART HJC BT App 17
3.1.2 SMART HJC Device Manager 17
3.2 Charging 17
3.3 Legend 18
3.4 Powering On and Off 18
3.5 Checking the Battery Level 18
3.6 Volume Adjustment 19
4. PAIRING THE HEADSET WITH
OTHER BLUETOOTH DEVICES 20
4.1 Phone Pairing 20
4.1.1 Initially Pairing the SMART HJC 21B 20
TABLE OF CONTENTS

TABLE OF CONTENTS CONTINUED
4.1.2 Pairing When the SMART HJC 21B is Turned Off 21
4.1.3 Pairing When the SMART HJC 21B is Turned On 22
4.2 Second Mobile Phone Pairing - Second
Mobile Phone, GPS, and SR10 22
4.3 Advanced Selective Pairing: Hands-Free or
A2DP Stereo 23
4.3.1 Phone Selective Pairing - Hands-Free Profile 23
4.3.2 Media Selective Pairing - A2DP Profile 23
4.4 GPS Pairing 24
5. MOBILE PHONE USAGE 25
5.1 Making and Answering Calls 25
5.2 Speed Dialing 25
5.2.1 Assigning Speed Dial Presets 25
5.2.2 Using Speed Dial Presets 25
6. STEREO MUSIC 27
6.1 Bluetooth Stereo Music 27
6.2 Music Sharing 27
6.2.1 Bluetooth Intercom Music Sharing 27
7. BLUETOOTH INTERCOM 28
7.1 Intercom Pairing 28
7.1.1 Using the Smart Intercom Pairing (SIP) 28
7.1.2 Using the Button 29
7.2 Last-Come, First-Served 30
7.3 Two-Way Intercom 31
7.4 Multi-Way Intercom 32
7.4.1 Starting a Three-Way Intercom Conference 32
7.4.2 Starting a Four-Way Intercom Conference 33
7.4.3 Ending Multi-Way Intercom 33
7.5 Three-Way Conference Phone Call with
Intercom Users 34
7.6 Group Intercom 35

TABLE OF CONTENTS CONTINUED
8. UNIVERSAL INTERCOM 36
8.1 Universal Intercom Pairing 36
8.2 Two-Way Universal Intercom 36
8.3 Multi-Way Universal Intercom 37
8.3.1 Three-Way Universal Intercom 37
8.3.2 Four-Way Universal Intercom 38
9. FUNCTION PRIORITY AND FIRMWARE
UPGRADES 39
9.1 Function Priority 39
9.2 Firmware Upgrades 39
10. CONFIGURATION SETTING 40
10.1 Headset Configuration Menu 40
10.1.1 Delete All Pairings 41
10.1.2 Remote Control Pairing 41
10.2 Software Configuration Setting 41
10.2.1 Headset Language 41
10.2.2 Audio Equalizer (Default: Off) 42
10.2.3 VOX Phone (Default: Enable) 42
10.2.4 VOX Intercom (Default: Disable) 42
10.2.5 HD Intercom (Default: Enable) 43
10.2.6 HD Voice (Default: Enable) 43
10.2.7 Audio Multitasking™ (Default: Disable) 44
10.2.8 Background Volume (Default: Level 5) 45
10.2.9 Audio Source Priority (Default: Intercom) 45
10.2.10 Voice Prompt (Default: Enable) 45
10.2.11 Advanced Noise Control™ (Always On) 45
11. TROUBLESHOOTING 46
11.1 Fault Reset 46
11.2 Factory Reset 47

SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 5
1. ABOUT THE SMART HJC 21B
1.1 Product Features
Bluetooth®5.1
Intercom up to 1.6 km (1.0 mi)*
Four-Way Intercom
Audio Multitasking™
Custom Helmet Fit
* in open terrain
CHAPTER

1 ABOUT THE SMART HJC 21B
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 6
1.2 Product Details
Speaker (R)
Speaker (L)
Microphone
connector
Bluetooth Module
Button Module
(-) Button
TAP Button
(+) Button
DC Power Charging & Firmware Upgrade Port
Pinhole Fault
Reset Button
Charging LED
Status LED

1 ABOUT THE SMART HJC 21B
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 7
1.3 Package Contents
Headset Main Unit
Wired Boom Microphone
for Modular/Open
Face Helmet
Microphone Sponges
for Wired Boom
Microphone
Wired Microphone
for Full Face Helmet
Hook and Loop Fastener
for Wired Microphone Screws
USB Power & Data Cable
(USB-C) Allen Wrench

SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 8
2. INSTALLING THE HEADSET
ON YOUR HELMET
SMART HJC 21B compatible HJC helmets can be found at
www.smarthjc.com
2.1 Helmet Installation
To securely install the headset on the Modular helmet, Open Face
helmet, or Full Face helmet, please follow this procedure.
2.1.1 Modular Chin Bar / Open & Full Face Visor Opening
1. Lift the chin-bar of the modular helmet or the shield visor of the
open face helmet completely.
or
Modular Helmet Open Face Helmet
2.1.2 Helmet Module Cover Removing
1. By pushing the tab on the left side cover, push at an angle the left
side cover to remove it.
CHAPTER

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 9
2. Loosen the two short screws on the rear cover of the helmet with the
Allen wrench that comes included, and then remove the cover.
2
1
2.1.3 Helmet’s Cheek Pad Take Off
1. Detach the snap fasteners of the cheek pads and remove the cheek
pads from the helmet.
2.1.4 Button Module Installation
1. Make sure that the grooved side of the Button Module fits the
corresponding grooves. Then, slide the Button Module into the
corresponding place until you hear a click sound.
Note: Make sure the Button Module’s wire is placed in the
corresponding groove as shown in the illustration.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 10
2.1.5 Bluetooth Module Installation
1. Facing the USB port on the Bluetooth Module toward the rear of the
helmet, pull the rubber guard up and insert the Bluetooth Module
into the slot.
2
1
Note: Make sure the rubber guard of the helmet is not jammed
between the Bluetooth Module and its slot.
2. To organize the Bluetooth Module’s wire, pull back the rubber guard
and place the wire in the groove as shown in the illustration.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 11
3. Put the remaining wire into the gap under the helmet’s rubber
guard.
4. Tighten the two long screws until the Bluetooth Module is fastened
firmly to the helmet.
2.1.6 Microphone Installation
• Modular or Open Face Microphone Installation
1. Insert the Wired Boom Microphone’s long hook into the groove in
the EPS of the helmet first and then insert the short hook.
2
1

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 12
2. Place the microphone’s wire in the groove and then place the
remaining portion of microphone’s wire into the speaker pocket for
installing the speaker unit.
3. Align the arrows on the microphone wire and insert the microphone
wire into the microphone connector.
• Full Face Microphone Installation
1. Peel off the cover of the adhesive tape of the hook and loop
fastener for the microphone and attach it to the inside of the
helmet’s chin guard.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 13
2. Attach the wired microphone to the hook and loop fastener.
3. Place the microphone’s cable in the groove and then place the
remaining portion of the microphone’s wire in the speaker pocket for
installing the speaker unit as shown in the illustration.
4. Align the arrows on the microphone wire and insert the microphone
wire into the microphone connector.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 14
2.1.7 Speaker Module Installation
1. Insert the longer hook of the right speaker unit into the bottom hole
of the speaker pocket. Then, insert the shorter hook of the right
speaker unit into the top hole of the speaker pocket.
1
2
[Make sure that the Microphone wire is
not pressured by the speaker unit when installed]
2. Then, push the top of the unit so that it fixes onto the helmet’s
speaker pocket.
[Once installed, the position of the speaker unit
can be adjusted to rider’s ear position]
3. Repeat the process on the other side to install the left speaker unit.
Note:
Removing the Speaker Unit
To remove the speaker unit, insert the Allen Wrench into the upper
shorter hook area then pull out the speaker unit.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 15
2.1.8 Wire Arrangement
1. Put the bundle of the wires in the gap under the helmet’s rubber
guard and organize the remaining wire in the shape of an arch as
shown in the illustration.
2. Align the remaining wire and groove of the cheek pad, and insert
the cheek pad beginning with its rear as shown in the illustration.
2.1.9 Cheek Pad Fasten Up
1. Reattach the cheek pads, beginning with its rear, and click the snap
fasteners.

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 16
2.1.10 Modular Chin Bar / Open & Full Face Visor Closing
1. Lower the chin-bar of the modular helmet or the shield visor of the
open face helmet completely.
or
Modular Helmet Open Face Helmet
2. Make sure that the Wired Boom Microphone is a proper distance
from your mouth when you wear the helmet.

SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 17
3. GETTING STARTED
3.1 Downloadable Software
3.1.1 SMART HJC BT App
By simply pairing your phone with your headset, you can use the
SMART HJC BT App for quicker, easier set up and management.
SMART HJC BT
• Device Configuration Setting
• Download the SMART HJC BT App on Google Play Store or App
Store.
3.1.2 SMART HJC Device Manager
The SMART HJC Device Manager allows you to upgrade firmware and
configure settings directly from your PC.
SMART HJC Device Manager
• Download the SMART HJC Device Manager at www.smarthjc.com
3.2 Charging
Charging the headset
Depending upon the
charging method,
the headset will be
fully charged in about
2.5 hours.
CHAPTER

3 GETTING STARTED
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 18
Note:
• Please make sure to take off your headset-installed helmet while
charging. The headset automatically turns off during charging.
• Any 3rd party USB charger can be used with HJC products if the
charger is approved by either the FCC, CE, IC, KC, 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 headset 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
3.5 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”.

3 GETTING STARTED
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 19
3.6 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

SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 20
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, MP3 player or Sena SR10 Two-Way Radio Adapter via
Mobile Phone Pairing, Second Mobile Phone Pairing and GPS
Pairing. The headset can also be paired with up to three other SMART
HJC headsets.
Pairs with up to Three SMART HJC headsets
Also Pairs with:
Mobile
Phone
MP3
Player
GPS
Devices
Sena
SR10
4.1 Phone Pairing
There are three ways to pair the phone.
4.1.1 Initially Pairing the SMART HJC 21B
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 TAP Button and the (+) Button for 1 second.
=1s
HOLD Blinking
“Phone pairing”
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