Cardo Systems S-640 User manual

CARDO SYSTEMS, INC. USER GUIDE

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S-2 Stereo Headphones
Congratulations and thank you for choosing the Cardo S-640™ headset.
Before using it we recommend that you familiarize yourself with the
Bluetooth®functionality of your cellular phone.
NOTE: Please visit www.cardosystems.com/faq for more information.
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Cardo S-640™ Overview
1. Microphone
2. Volume Button
3. LED Status Indicator
4. Built-in Ringer
5. Charging Jack
6. Built-in Rechargeable
Battery
7. Control Button (CTRL)
8. Earbud
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GETTING STARTED
To use your Cardo S-640™ (“the
headset”), please follow these simple
steps:
• Charge your headset
• Pair your headset with a Bluetooth®-
enabled mobile phone*
Charging Your Headset
The headset comes with a built-in
rechargeable battery. Prior to using
the headset, make sure to charge
the headset for at least 4 hours.
Normally it takes approximately 3
hours to fully charge the headset.
* If you do not have a Bluetooth®enabled mobile phone you will need the Cardo BTA II™ Blue--
tooth®adapter. For more information, please visit http://www.cardosystems.com/BTA
Charger
Charging
Jack
Charger Plug

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S-2 Stereo Headphones
Charging Time
Charging the battery fully takes approximately 3 hours.
When the battery is fully charged, the LED will turn blue and remain on.
When charging is complete, disconnect the charger from AC wall
outlet and from the headset. However leaving the headset connected
will not damage it.
Talk & Standby Time
The fully charged battery offers up to 6 hours talk time and up to
150 hours standby time. When no calls are in progress, the headset
remains turned on in Standby mode.
Low Battery
When the headset is on and the battery becomes low, the status indi-
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cator ashes red and the headset emits a beep every minute. Please
recharge the battery as described above.
GENERAL INSTRUCTIONS
All headset functions are controlled by pressing the CTRL Button or
Volume Button either for a short period of less than a second, or a
long period of 2 or 3 seconds.

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TURNING YOUR HEADSET ON AND OFF
Turning On the Headset
Press and hold the CTRL Button for 2 seconds until you hear a short
beep. The status indicator will then ash blue.
If this is your rst time using the headset, please refer to the “Pairing
Your Headset” section below.
Turning Off the Headset
Press and hold the CTRL Button for approximately 3 seconds until you hear
a long beep. The status indicator will ash red once and then stop ashing.
PAIRING YOUR HEADSET
The headset only works with Bluetooth®-enabled mobile phones or the
Cardo BTA II™ Bluetooth®Adapter for non-Bluetooth®phones.
Prior to using and pairing your headset for the rst time, please
check if your mobile phone is Bluetooth®-enabled. If you do not have a
Bluetooth®-enabled mobile phone, you will need the Cardo BTA II™ in
order to use the Cardo S-640™ with your mobile phone.
Please visit http://www.cardosystems.com/BTA for more informa--
tion on the Cardo BTA II™ Bluetooth®Adapter.

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S-2 Stereo Headphones
Pairing Your Headset
1. Turn on your phone and activate its Bluetooth®function. Please refer to
your phone’s user guide for detailed instructions.
2. With the headset turned OFF, press and hold the CTRL Button for
approximately 8 seconds until the headset LED status indicator
alternately ashes blue and red, indicating that the headset is in
Pairing Mode.
3. Set the phone to search for Bluetooth®devices by following the
instructions in the phone’s user guide.
4. After a few seconds, the phone will list the “Cardo S-640” as a
discovered device. Select it from the list and press OK.
5. When prompted, enter the passkey “0000” (four zeros) and press
“OK” to pair your headset and mobile phone.
6. When pairing is complete, the headset LED status indicator will
ash blue rapidly 5 times followed by a long beep. Your phone
will conrm that the pairing was successful and the headset LED
status indicator will begin ashing slowly in blue.
You should now be able to make and receive calls using your headset.
IMPORTANT: If pairing cannot be completed within 2 minutes while
the Pairing Mode is activated, the headset LED status indicator
ashes purple followed by 3 beeps and the headset is turned off.
Please repeat the above pairing procedure.

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Your headset can pair with several phones, and will automatically
connect to the last phone connected to the headset. To connect to a
different phone, go to the Bluetooth menu of the active mobile phone
and disconnect the headset. Now go to the Bluetooth menu of the
desired phone and connect the headset to this phone.
WEARING THE HEADSET
Clip the headset to your clothing so that the headset is less than 1
foot (33 cm) away from your head.
When not in use, you may hang the earbud from the headset by
placing it into the space at the back of the clip or place it in your shirt
pocket where it will be easily accessible.
It is important that the headset is not clipped too low on your clothing
in order for the microphone to clearly transmit your voice.
USING YOUR HEADSET
Adjusting the Volume
Tap the Volume Button repeatedly until you reach the desired volume
level. The volume will cycle through the volume settings from lowest
to highest with every tap of the Volume Button.
You may also adjust the volume by using the volume controls on your
mobile phone.

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S-2 Stereo Headphones
Answering a Call
When there is an incoming call, you will hear ringing through the ear-
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bud and the Built-in Ringer. Tap the CTRL Button to accept the call or
answer the call via your mobile phone in the normal fashion.
NOTE: You can silence the Built-in Ringer alert by tapping the
Volume Button once. The Ringer will ring again when there is
another incoming call.
Ending a Call
Tap the CTRL Button to end your call or end the call via your mobile
phone in the normal fashion.
Dialing from Your Mobile Phone
Simply make calls on your mobile phone in the normal fashion.
Voice Dialing from Your Headset
If your mobile phone is equipped with a Voice Dialing function, simply
tap the CTRL Button on your headset, and when you hear a beep say
the voice tag of the contact you want to call.
NOTE: This feature is not supported by all mobile phones. Some
mobile phones require that the voice tag be recorded into the phone
rst before using the Voice Dialing function. Please refer to your
phone’s user guide for more details.

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Muting the Microphone
While on a call, the headset allows you to mute the microphone so
that the other party will not hear you.
To mute the microphone during a call, press and hold the Volume
Button for 2 seconds until the LED status indicator begins ashing red.
The LED will continue ashing red while the microphone is muted.
To unmute the microphone during a call, press and hold the Volume
Button for 3 seconds until the LED status indicator begins ashing
blue.
Enabling/Disabling the Built-in Ringer
To disable the Built-in Ringer, while you are not on a call, press and
hold the Volume Button for 2 seconds and you will hear a short tone
through the earbud.
To enable the Built-in Ringer, while you are not on a call, press and
hold the Volume Button for 3 seconds and you will hear a long tone
through the earbud.
There is no way of disabling the ringing through the earbud.
NOTE: The below functions are only applicable to mobile phones
with the Bluetooth® Handsfree Prole. Please refer to your mobile
phone’s user guide for additional information.

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S-2 Stereo Headphones
Last Number Redialing from Your Headset (requires Handsfree
Prole)
Tap the CTRL Button on your headset twice.
Rejecting a Call (requires Handsfree Prole)
Simultaneously press and hold the Volume Button and press and hold
the CTRL Button until the incoming call is rejected.
Transferring a Call to or from the Headset (requires Handsfree
Prole)
To transfer a call to your mobile phone during a call, simultaneously
press and hold the Volume Button and press and hold the CTRL
Button until the audio is transferred from the headset to your mobile
phone.
To transfer a call back to your headset during a call, tap the CTRL
Button.