User guide
PASSENGER’S UNIT FUNCTIONS
USING THE HEADSET
DESIRED RESULT: REQUIRED ACTION:
Turn on the headset Press the CTRL Button steadily for at least 3 
seconds. Led indication: three blue ashes. 
Audio feedback: Ascending tone (low-high).
Turn o the headset Press the CTRL Button steadily for at least 3 
seconds. Led indication: three red ashes. 
Audio feedback: Descending tone (high-low).
Start using the Intercom During standby, start talking loudly to 
activate the Intercom
Terminate operation of 
Intercom
Stop talking. The audio connection will be 
terminated within 25 seconds.
Enable/disable Always-on 
Intercom
During standby tap the Control Button. 
One tone = intercom enabled. Two tones = 
intercom disabled.
Increase Intercom volume Tap the Volume Up Button
Decrease Intercom volume Tap the Volume Down Button
Note: In case the person on the other side of the intercom is not responding and 
you start talking, 2 beeps will alert you that the other side is not available
STATUS LIGHTS
STATUS LIGHT STATUS
None  Headset is o
One blue ash every 3 seconds  Headset is on
Steady red (Charger is connected)  Headset is being charged
Steady red (Charger is not 
connected) 
Headset in Intercom pairing 
mode
SUPPORT
For additional information please visit our website at
www.cardosystems.com 
FAQ: www.cardosystems.com/faq
or contact us at:
support@cardosystems.com
Phone:   USA and Canada: + 1-800-488-0363
  International: +4989 450 36819
NOTICES
Federal Communications Commission (FCC) Statement
15.21
You are cautioned that changes or modications not expressly approved by the 
part responsible for compliance could void the user’s authority to operate the 
equipment.
15.105(b)
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 off and on, the user is 
encouraged to try to correct the interference by one or more of the following 
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the 
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
10
scala rider
® 
TeamSet
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