OT-020C 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 an open global criterion. The Bluetooth
products work on universal industry, science, medical (ISM) frequency. In order to avoid
interference, 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.
2.
Operation
instructions
:
Introduction
2.1 OT-020C Bluetooth headset key-press’s image
and key-press function explanation
A. MFB key-press: realize power on, power off, receiving, voice dialing, hang-up, pairing etc.
B.
: realize increasing volume, mute, rejecting incoming call, redialing etc
C. Volume -: realize decreasing volume etc.
2.2 Power on
In the state of power off, long press MFB, speaker will make a short BEEP sound. Blue light flashes. Then
OT-020C will power on.
2.3 Power off
In the standby state, long press MFB, speaker will make a long BEEP sound. Blue light closes. Then
OT-020C will power off.
2.4 Pairing
Firstly, confirm OT-020C 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 make a BEEP sound two times. Blue and red indicator will flash
alternately. Then OT-020C will in pairing state.
b. Open Bluetooth function of mobile phone, choose mobile phone ‘s search function of bluetooth device,
and proceed to search for OT-020C Bluetooth headset until “OT-020C” shows on mobile phone.
c. Select Bluetooth device”OT-020C”
d. Input ID code “0000”, and confirm, then mobile phone pairing with OT-020C Bluetooth headset.
