Celltrend BTH-08A2 User Manual Download Page 2

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(b)  Connect the charger to an AC wall outlet and the charge plug to the headset’s charging socket.    After completion of 

charge, please remove the chargers from headset and outlet. 

(c)  Place your headset and a Bluetooth-enabled mobile handset no more than 1 meter apart for pairing. 

(d)  Ensure your headset and handset is within 10 meters(max.) - Bluetooth sensing distance. 

IMPORTANT:  

(a) Charge time:    Normal full charge time is 1.5 hrs. (Approx.). 

(b)  Charge indication:    When charge is in process, the LED will flash red.    When charge is completed, the LED will flash 

off. 

(c)  Low voltage indication:  The LED will flash red every 3 seconds.  You may hear 2 beeps from headset every 30 

seconds with LED flashes red.    It’s recommended to charge the headset immediately to prolong durability of battery 

and standby time.    Under low voltage, if battery is not charged within certain time – 30 seconds(approx.), the headset 

will be powered off.   

(d)  Charging indication will be delayed for a few minutes if the headset has not been used for a long time or the battery is 

drained off.   

Press and hold the MFB for 3 seconds until you hear a long beep.    The LED will flash red for 3 seconds. 

 
Turning On/Off the Headset

 

Turning On -

 Headset under off mode: 

(a) Press and hold the MFB for 3 seconds until you hear a short beep.    The LED will flash blue for 3 seconds. 

(b) Headset will be under standby mode. The LED will flash blue every 3 seconds. 

Turning Off

 

-

 headset under any modes: 

(a) Press and hold the MFB for 3 seconds until you hear a long beep. The LED will flash red for 3 seconds. 

(b) Headset will be off.    The LED will flash stop. 

IMPORTANT:

    Press the MFB again each time you turn on the headset to reactive the paring so that the connection in 

between the headset and paired mobile handset is resumed. For pairing, please refer to procedures under “Pairing”. 

 

Pairing with a Mobile phone 

Prior to using the speakerphone for the first time, you must pair it with a Bluetooth-enabled mobile handset.    The following 

steps describes pairing instruction for a typical Bluetooth-enabled mobile handset.   

(a)  Place the headset and mobile phone no more than 1 meter apart   

(b)  Ensure the headset is under off mode.. 

(c)  Press and hold the MFB for 6 seconds until the headset LED flashes red and blue alternately.    Mean while you can 

hear a long beep from the headset.    It’s now ready for pairing. 

(d)  Activate your mobile handset’s Bluetooth accessing function by referring to your mobile handset user guide for details.   

Mean while, the handset will search for accessible Bluetooth devices.   

(e)  Select “BTH-08A2” from the list. 

(f)  Enter the pre-programmed passkey “0000” and press “OK” to pair the headset and the handset.  When pairing is 

completed, you may hear a long beep and LED will flash blue for 3 times.    Now the headset is under standby mode 

with LED flashes blue every 3 seconds.   

(g)  Press “Return” to go back to your handset’s main menu.    (For most of the mobile handset models, a headset icon will 

be shown on the screen.)    You should now be able to make and receive calls through the headset.    Please place the 

mobile handset to the headset no more than 10 meters.    (Obstruction could cause shorter sensing distance.) 

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