
Tufftalk M Manual
Charging
Red LED: Charging
Blue LED: Fully charged
Power On/Off
(+) Button + Center Button for 1 sec
Volume Adjustment
(+) Button - Increase the volume
(-) Button - Decrease the volume

Battery Check
Phone, Music Pairing
1. Press the Center Button for 10 seconds.
2. Press the (+) Button to enter into Phone Pairing
3. Search for Bluetooth devices on your mobile phone. Select the SF4 in the list of the devices
detected on the mobile phone.
4. Enter 0000 for the PIN. Some mobile phones may not ask for the PIN.
Music Operation
Play or pause music: Press the Center Button for 1 second.
Track back: Press the (-) Button for 1 second.
Track forward: Press the (+) Button for 1 second.
Mobile Phone Call Making and Answering
Answering a call: Tap the Center Button
Ending a call: Press the Center Button for 2 seconds.
Voice dial: Press the Center Button for 3 seconds.
Speed dial: Press the (+) Button for 3 seconds.
Rejecting a call: Press the Center Button for 2 seconds.

Intercom Pairing
1. Press and hold the Center Button of two headsets for 5 seconds until red LEDs of both units start
to flash rapidly.
2. Simply tap the Center Button of any one of the two headsets.
Mesh Intercom On/Off
Mesh Intercom On : Tap the Mesh Button.
Mesh Intercom Off : Tap the Mesh Button.
Create Mesh
Press and Hold the Mesh Button 5 seconds.
Accept Invitation During Mesh Creation
Tap the Mesh Button
Join an Existing Mesh
Tap the Mesh Button twice.
Quit Mesh
Press and Hold the Mesh Button 8 seconds.
Radio On/Off
Turn on the FM radio: Press the (-) Button for 1 second.
Turn off the FM radio: Press the (-) Button for 1 second.
Radio Scan Up FM Band
Start scanning: Press (+) Button for 1 second.
Stop scanning: Press (+) Button for 1 second.

Save presets while scanning
Save presets: Tap the Center Button
Radio Move to Preset Station
Move to next preset: Press the Center Button for 1 second (1 → 2 → … → 10)
Radio Seek Stations
Seek up stations: Double tap the (+) Button.
Seek down stations: Double tap the (-) Button.
Setting
Configuration Menu: Press the Center Button for 10 seconds.
Troubleshooting
Factory Reset
If you want to restore the headset to factory default settings, use the Factory Reset in the configuration
menu. The headset automatically restores the default settings and turns off.

Fault Reset
If the headset is not working properly for any reason, reset by gently pushing the pin-hole reset button
located below the Center Button.

Certification and Safety Approvals
FCC Compliance Statement
This device complies with part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of
the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment on and off, the user is encouraged
to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antennae
• Increase the separation between the equipment and the receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
FCC RF Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must
follow the specific operating instructions for satisfying RF exposure compliance. The antenna used for this transmitter
must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter
product procedures.
We, Sena Technologies,Inc. confirm that when equipped, the distance between antenna and one’s head is 49 mm. So,
We, Sena Technologies,Inc. confirm that when equipped, the helmet needs to be at least 49 mm apart from one's head.
FCC Caution
Any changes or modifications to the equipment not expressly approved by the party responsible for compliance could
void user’s authority to operate the equipment.

Industry Canada Statement
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including interference that may cause undesired operation of the device.
Déclaration de conformité IC (Industrie Canada)
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes :
(1) Cet appareil ne doit pas créer d'interférences.
(2) Cet appareil doit accepter toutes les interférences reçues, y compris celles qui pourraient entraver son bon
fonctionnement.
Énoncé FCC sur l’exposition aux radiations RF :
Cet équipement est conforme aux réglementations FCC d’exposition aux radiations définies pour un environnement
non contrôlé. Les utilisateurs suivront les instructions d’exploitation spécifiques pour répondre aux exigences de
conformité sur l’exposition aux RF. L’antenne utilisée pour cet appareil ne doit pas fonctionner en même temps qu’une
autre antenne ou émetteur, sauf s'il y a conformité avec les procédures FCC des produits multi-émetteurs.
Nous, Sena Technologies,Inc. confirmer que lorsqu'il est équipé, la distance entre l'antenne et la tête est de 49 mm.
Donc, nous, Sena Technologies,Inc. confirmer que, lorsqu'il est équipé, le casque doit être éloigné d'au moins 49 mm
de la tête.