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Mode Button
Microphone Mute
Privacy Handset Mode
Music Play / Pause
Line Out Port
Speaker
Multi-Function Button
Volume Down
On / Off, Pairing / Connect
Hold Call
Answer / Hang Up / Reject Calls
Speaker
Last Number Redial / Voice Dialing
Call Waiting
Volume Up
Transfer Calls
Hold Call
Microphone
Call Waiting
Speaker
Blue LED Red LED
Mini USB Charging Port
happens, power on the HKT450 to connect with
your phone.
Disconnect
a) The HKT 450 disconnects from the mobile
phone by the following methods:
1) Use the mobile phone or other
Bluetooth devices to break the connection.
2) Power off the HKT 450.
Answer Incoming Calls
a) A ringtone heard through the Speaker-
phone will announce an incoming call
b) Answer the incoming call by pressing the
MFB (multi-function-button) on the HKT 450
once
End Calls
a) When the HKT 450 is in Talk Mode, press
the MFB (multi-function-button) on the
device once to end the call
Reject Incoming Calls
a) A ringtone heard through the HKT 450
will announce an incoming call
b) Reject the incoming call by pressing and
holding the MFB (multi-function-button) on
the device for 3 seconds.
Printed in China
Button
Functions
Switch on / off
Pairing / Connect
Answer calls
Multi-Function-Button
Hang up calls
Voice Dialing
Reject calls
Transfer calls
Last Number Redial
Adjust Speaker Volume Up / Down
Speaker Volume
"V+" & "V-"
Hold calls / Call Waiting
&
Restore Factory Default Setting
Microphone Mute and Normal Mode Swap
(functions only in Handsfree Mode)
"Mode" Button"
Privacy Handset / Hands-free Mode Swap
(functions only in Handsfree Mode)
A2DP Initiate and Music Play / Pause
PIN CODE
0000
Voice Dialing
b) If the HKT 450 is playing music, press the
a) Before using Voice Dialing make sure
"Mode Button" to pause the music first, then
your mobile phone supports the voice
initiate last number redial as explained
dialing function, and your mobile phone has
above.
the voice dial tag recorded. (Refer to user's
manual of the mobile phone for detailed
Note:
instructions)
Depending on the mobile phone being
used, when you stop the music player and
b) If the phone supports the voice dialing
initiate phone calls from the Speakerphone,
function, when the HKT 450 and mobile
after the call is completed the music player
phone are connected, short press the MFB
may not resume playing automatically. If
(multi-function-button) once, and an audible
this occurs, press the "Mode Button" to
tone will be heard through the Speaker-
re-access the A2DP service, and the music
phone, then say the Voice Call tag to make
playing function will be restarted. When
the Voice Dial.
using certain phone models, the music
player must be restarted from the mobile
c) If the HKT 450 is playing music, short
phone.
press the MFB (multi-function button) once.
The music will stop and an audible tone will
Call Transfer between the HKT 450 and a
be heard through the Speakerphone. Then
Mobile Phone
a) Transfer a call from the HKT 450 to a
say the Voice Call tag to initiate the voice
dial.
mobile phone by holding the MFB
(multi-function-button) on the Speakerphone
Last Number Redial
for 3 seconds, a short audible tone will be
a) Redial the last number dialed by pressing
heard through the HKT 450 speaker and the
the MFB (multi-function-button) on the HKT
call is now transferred to the mobile phone.
450 twice quickly.
Product Specifications
b) Normal Charging Time: Using the
included travel charger and USB cable, the
Bluetooth Compliant Standards: V2.0+EDR
internal battery will take approximately 3
Bluetooth Profiles Supported: HSP , HFP ,
hours to fully charge.
A2DP , AVRCP
Transmitted Power: Class 2
c) Charging Indicator: The Red LED on the
Wireless connection range: 10 Meters
HKT 450 will light up during the charge
Frequency Band: 2.402GHz~2.480GHz
cycle and turn off when charging is
Charger's Output Power: DC 5-6V 400mA
completed
Built-in Rechargeable Lithium ion Battery:
3.7V/650mA
d) Low battery indicator: The Red LED on the
Normal Charging Time: 2~3 Hours
HKT 450 will begin to flash every 4 seconds
Talk Time: Up to 8 Hours
when the internal battery is low on power.
Play Music Time: Up to 8 hours
When this occurs, it is necessary to recharge
Standby Time: up to 325 Hours
the Speakerphone as described above.
Operating Instructions
Note:
Charging
a) The internal battery of the HKT 450 must be
a) In the case where the HKT 450 has not
been used for a long time or the internal
fully charged before it can be used. Charging
battery has run completely flat, it may take
can be accomplished using the travel charger
several minutes before the Red LED lights up.
and USB cord included in the package. First,
plug the mini USB connector on the USB cord
b) When low battery indication occurs, and
into the mini USB socket on the side of the
the battery is not recharged, the HKT 450
HKT 450. Next, insert the USB connector on
will automatically switch off.
the opposite end of the cord to the USB
connector on the Travel Charger. The HKT450
can also be charged using the USB cord with
the included vehicle power adpator, or with a
computer that has proper USB connector.
b) Transfer a call from the mobile phone to
Microphone Mute Mode
the HKT 450 by pressing the MFB
a) During a call, press and hold the
(multi-function-button) on the Speakerphone
"Mute/Mode" switch on the HKT 450 for 3
once quickly; the call is now transferred
seconds until the Red LED switches on.....the
from the mobile phone to the HKT 450.
microphone on the device is now muted
b) While in MIC Mute Mode, hold the
Volume Adjustment
"Mute/Mode" switch on the HKT 450 for 3
a) During a call, press the "V+"button or
seconds until the Red LED switches off.....the
"V-"button on the HKT 450 to increase or
microphone on the device returns to normal
decrease its speaker volume.
Call Holding
Privacy Handset /
a) During a call, press and hold either
Hands-free Mode Swap
"V+"or "V-" button for 3 seconds to put the
a) During a call, press "Mute/Mode" button
call on hold
once quickly
Answer 2nd Call during a Call
1) the Blue LED will light up
a) During a call, when the 2nd call comes
2) the speaker volume and microphone
in, press and hold either "V+"or "V-" button
sensitivities will be automatically
on the HKT 450 for 3 seconds to answer the
attenuated to allow the HKT 450 to be
2nd call
used like a standard telephone handset
Call Swap
b) While in Privacy Handset Mode, press
a) With two callers on the HKT 450, press
"Mute/Mode" button once again quickly,
and hold either "V+"or "V-" button for 3
and the HKT 450 returns to Hands-free
seconds to swap between the two callers.
Note:
Mode.
Call holding can only be done only if your
mobile phone and its SIM support this
function.
Power On
c) Press and hold the MFB (multi-function-
a) While the HKT 450 is off, press and hold
button) for 6 seconds until an audible tone is
the MFB (multi-function-button) for 3
heard and the Red LED and Blue LED start to
seconds.
flash alternately......the HKT 450 is now in
Pairing mode
b) An audible tone will be heard and the
Blue LED lights up for 3 seconds.
d) Initiate the Bluetooth function on your
mobile phone by setting it to search for new
c) Release the multi-function-button, and the
Bluetooth devices (Please refer to your
device is Power On.
mobile phone's user's manual for detailed
information)
Power Off
a) With the HKT 450 in Standby Mode, press
e) When the mobile phone shows "HKT450"
and hold the MFB (multi-function-button) for
found, stop searching and select "HKT450"
3 seconds.
f) When prompted, key-in PIN Code "0000"
b) An audible tone will be heard and the
and press enter.....your mobile phone and
Red LED lights up for 3 seconds.
the HKT 450 will pair with each other. Once
pairing is established, a long tone will be
c) Release the multi-function-button, and the
heard through the Speakerphone and the
device is Power Off.
Blue LED will flash 5 times slowly. After
pairing is completed the HKT 450 will switch
Pairing the HKT 450 with a Mobile Phone
to Standby mode, and the Blue LED will flash
(The HKT 450 must be paired with your
every 4 seconds.
Bluetooth enabled mobile phone before
it can be used)
g) Once the HKT 450 enters into Pairing
1) Pairing Procedure
Mode, you will have 2 minutes to finish
a) Place the HKT 450 and the mobile phone
pairing. Should the pairing fail within this 2
within 3 feet of each other
minute timeframe, a long tone will be heard
b) The Speakerphone should be Power Off
Playing Music from the Mobile Phone
the device used to hear the music when the
through the HKT 450
music player is started.
First, make sure your mobile phone supports
(Always refer to the User Guide of your
Bluetooth Advanced Audio Distribution
mobile phone for details on playing music
Protocol (A2DP) and Audio Video Control
through A2DP)
Protocol (AVRCP) functions (on some phones
the A2DP function may appear as AV
Note:
function). The A2DP function allows the
1) To answer an incoming call while the
mobile phone to stream music wirelessly to
music is playing
the HKT 450. During music play, the
If a call comes in while the mobile phone
AVRCP function allows the "Mode Button"
is playing music through A2DP , the player
on the Speakerphone to be used to Play or
will stop the music automatically. The
Pause the music from the mobile phone.
incoming call ring tone will be heard
through the HKT 450. To answer the
Due to variations of mobile phones,
incoming call, short press the MFB
procedures to play music through the HKT
(multi-function-button) on the HKT 450.
450 are not always the same. When the
After the call ends, the player will resume
Speakerphone is paired with a mobile
playing the music automatically.
phone, depending on the software in the
mobile phone, there are a number of ways
2) Play or Pause Music
to initiate music playing. For some phones,
a) While music is playing, short press the
music play through the HKT 450 is
"Mode Button" on the HKT 450 to pause
automatic; when the music player on the
the music
mobile phone is started music will be
b) While in pause mode, short press the
streamed through the HKT 450 automati-
"Mode Button" on the HKT 450 to resume
cally. Some mobile phones will require that
the music playing
the "Mode Button" on the device be pushed
to initiate the A2DP function. Other mobile
phone models will require the user to select
through the Speakerphone, the Red LED will
Connection
light up for 3 seconds, and then the device
a) Every time the HKT 450 is turned on, it
will automatically turn off. If this occurs, you
will automatically search and connect to the
must repeat the pairing procedures as
last connected Bluetooth device.
described above.
Note:
h) After the HKT 450 is paired with the
Some Bluetooth devices require manual
mobile phone, return the phone to Standby
acceptance of the Speakerphone signal
Mode, and make sure the mobile phone and
the Speakerphone are within a distance of
b) When the HKT 450 is in Standby Mode,
30 feet (in open space with no obstruction;
when you short press the MFB
when indoors, effective distance may shorten
(multi-function-button) on the device, it will
depending on building construction and
automatically connect to the last connected
materials used for construction). You are
Bluetooth device.
now ready to use the HKT 450 to place or
Note:
receive calls.
Some Bluetooth devices require manual
Note:
acceptance of the Speakerphone signal
Some mobile phones may require an
additional step of adding a short press of the
c) When the HKT 450 is in Standby Mode,
MFB (multi-function-button) on the HKT 450
short press the "Mode" buttons on the device
and manual acceptance of the connection
and it will automatically connect the AV
on the mobile phone.
feature of the last connected Bluetooth
device.
Power Save Feature
If the HKT450 is not connected to any paired
device for more than 4 hours, it will automatically
power off to conserve battery power. When this
3) Volume Adjustment
a) While music is playing, press "V+" or
"V-"button on the HKT 450 to increase or
decrease the volume.
Line out
a) The Line out is a 2.5mm diameter jack
for connecting a mono earphone
b) When an earphone is plugged into the
HKT450
line-out jack, the speaker audio will transfer
from the HKT 450 to the earphone
Bluetooth Speakerphone
Restore Factory Default Setting
a) Make sure the HKT 450 is in Standby
Mode
USER GUIDE
b) Press and hold both "V+"and
"V-"buttons for 10 seconds until the Red LED
and Blue LED alternate quickly
c) Press and hold both "V+"and
"V-"buttons again for 3 seconds until an
audible tone is heard twice from the
Speakerphone
d) The HKT 450 will power off automati-
cally.
e)Now the device resets back to the factory
default setting (all previous stored different
device pairing records will be deleted).
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