Great Well Electronic BT-020 User Manual

BT-020 User's Guide

1. Introduction

1.1 Bluetooth technology

Bluetooth is a standard of wireless communication. Bluetooth technology is a kind of
short distance wireless communication technology and a kind of open global criterion.
The Bluetooth products work on universal industry, science, medical (ISM) frequency.
In order to avoid intervene, adopt jumping frequency technique, divide 2.4GHz ~

2.48GHz into 79 channels, transmit data at 1600 time/sec. The transmission distance
is about 10m (Class Ⅱ).
ISM frequency of 2.4GHz is free open frequency, no need to apply for license.

Operation

instructions

Introduction
BT-020 Bluetooth headset key-press and key-press function explanation
A. MFB key-press: realize power on, power off, receiving, voice dialing, hang-up,
pairing etc.

B.

Volume +: realize increasing volume, mute, rejecting incoming call, redialing etc

C. Volume -: realize de creasing volume etc.
Power on

In the state of power off, long press MFB, speaker will give off short BEEP sound. Blue light
fleshes. Then BT-020 will power on.
Power off
In the standby state, long press MFB, speaker will give off long BEEP sound. Blue light closes.
Then BT-020 will power off.

Pairing

Firstly, confirm BT-020 Bluetooth headset is in the state of power off and is in the effective
distance with other Bluetooth devices.
a. Long press MFB, speaker will send BEEP sound two times. Blue and red indicator will flash
alternately. Then BT-020 will in pairing state.
b. Open Bluetooth function of mobile phone, choose Bluetooth device on mobile phone to
search function, and proceed to search for BT-020 Bluetooth headset until BT-020 shows on
mobile phone.
c. Select Bluetooth device

d. Input ID code 0000, and confirm, then mobile phone pairing with BT-020 Bluetooth
headset.
e. After successful pairing, Blue and red indicator flash alternately changes to blue light
flashes. Then the whole pairing process is over automatically.

Power-saving mode

a. When BT-020 Bluetooth headset fail in the process of pairing, after about 6 0sec, enter the
standby state automatically, after more 5 sec, BT-020 will power off automatically.
b. When BT-020 Bluetooth headset disconnect with any Bluetooth device in the state of
power on, it will close automatically after 5 minute.

Receiving an incoming call

When BT-020 Bluetooth headset is power on and connects with mobile phone, telephone in.
a. Short press MFB.
b. Then blue indicator changes from slow flash to quick flash.
c. If BT-020 Bluetooth headset has no power on, please open it firstly. After redialing mobile
phone automatically (press one time to connect with mobile phone), press MFB again, then
you can receive the incoming call.

Voice dialing

When BT-020 Bluetooth headset is power on and connects with mobile phone, you want to
voice dialing.
a. Short press MFB, you can hear short BEEP sound, then enter voice dialing.
b. Speak the people’ name saved in telephone book of mobile phone, such as David.
c. Mobile phone will dial according to the number in telephone book of mobile phone.
The function demands Bluetooth mobile phone to have voice recognition function.

Rejecting an incoming call

When BT-020 Bluetooth headset is power on and connects with mobile phone, telephone in
but not to receive, long press VOL+, then the incoming call is rejected.
De electrifying Number dialing
In the standby state, long press volume +.

Volume adjustment

In the state of standby, speaking and calling etc, short pressing volume + or volume -, you can
adjust volume. Short press volume + one time, the volume adds one step; Short press volume

-, the volume decreases one step. When volume is adjusted to

maximum or minimum, it will

sound a warning.

Low battery warning

When the battery of BT-020 Bluetooth headset is not enough, blue light closes, red light
flashes, and speaker send short BEEP sound.
Then you should charge BT-020 Bluetooth headset.

Rebind automatically

When BT-020 Bluetooth headset is power on and disconnects with devices, also in effective
distance with mobile phone, if mobile phone connects and pairs with BT-020, it will rebuild
connection with mobile phone automatically.

Charging

Plug DC head of power adapter into charging interface of cha rging socket, then place BR-020
Bluetooth headset into charging socket, close the upper cover of charging socket, and then