1.
Safety and Efficient Operation Guide
Note: Please read this information before you use GoerTek GCK800. In this guide, “Short press”
refers to a time period of less than 1 second during which a functional button is being pressed. “Long
press” refers to a time period of more than 3 seconds during which a functional button is being
pressed.
Users do not have the right to enjoy services after sale if they make changes to or modify the device
in any way not permitted by the Manufacturer.
1.1 EMI
Note: Nearly every modern electronic device is susceptible to electromagnetic interference (EMI) if
inadequately shielded, designed, or otherwise configured for electromagnetic compatibility.
Electronic Devices
To avoid electromagnetic interference, please turn off GoerTek GCK800 in any place where posted
notices instruct you to do so.
Aircraft
Turn off your GoerTek GCK800 when on board an aircraft. The use of a GoerTek GCK800 might
interfere with the telecommunication system of an aircraft.
Medical Instruments
Please keep a safe distance away from the medical instruments in a hospital or medical unit when
using your GoerTek GCK800. If you use any other personal medical device, such as a pacemaker,
please consult the manufacturer of your medical device to determine if it is adequately shielded from
electromagnetic interference. Your physician might assist you in obtaining this information.
1.2 Safety Instruction
Placement
You are advised to put your GoerTek GCK800 in a safe place where it will not be bent or crushed when
not in use otherwise it may bring harm to human body.
Children
Keep GoerTek GCK800 away from children. Some small or detachable parts might be swallowed and
result in harm.
2. Brief Introduction
2.1 Bluetooth Technology
Bluetooth technology is a short-distance wireless communication technology. Bluetooth products are
used in frequencies operated by industry, science and medicine (ISM). It applies the technology of
frequency-jump in order to avoid interference. The frequency band of 2.4GHz~2.48GHz is divided into
79 channels, and data is transferred at the frequency of 1600 frequency-jumps per second with a
transmission distance of about 10m (Class II).
2.2 Bluetooth Car Kit
GoerTek GCK800 complies with Bluetooth version 1.2 and supports both the Headset Profile and
Hands-free Profile. GoerTek GCK800 is able to communicate with other electronic devices equipped
with Bluetooth Voice Gateway, such as handsets, PDAs, laptops, desktop computer, etc. In addition,
GoerTek GCK800 has an innovative structural and functional design that allows it to be used as either