12
B. Bluetooth
1. Is it safe to use Bluetooth devices, I have heard they can allow unauthorized
connections?
For Bluetooth security reasons, after you have set up your bluetooth devices we
recommend turning OFF the visibility option in the Bluetooth Menu of your phone
so that other Bluetooth users cannot see the your phone. (This only applies to a few
mainly older Bluetooth enabled phones as most new phones have better security.)
2.
Can somebody else take control of my V12 if they are in range?
No, the V12 can only connect to previously paired devices that have been authenticated.
3.
What is the difference between Handsfree and Headset Bluetooth Profi les?
Handsfree
Profi le allows for extra features to be used with a mobile phone. Voice
Dial, redial, call transfer are some that are included in Handsfree but not Headset.
Handsfree also allows for a slightly better call quality.
4.
How do I know if my devices are connected?
When Bluetooth is turned ON on your phone you may see a Bluetooth symbol
appear on your main screen that changes slightly (colours invert or arrows appear)
when connected to the V12. Some phones show a Headset or Car symbol to notify
you that the devices are connected.
5.
How far can my mobile be from the V12 and still remain connected?
The V12 will remain connected within a range of 10 meters (30 ft). Sound quality
may start to deteriorate after about 7 meters depending on your environment and if
obstacles are present.
6.
Can other electrical devices cause interference with Bluetooth?
Bluetooth technology employs a technique called frequency hopping to constantly
change the frequency at which it sends data, reducing interference with wireless
devices like wireless LAN’s, cordless landline phones. Noise Interference can occur
if the Bluetooth device is used in close proximity with a microwave. Check if there
are any such devices in the surroundings, and if so keep the distance between the
V12 and such devices to at least 5 - 10m. Usually any interference will only cause a
slight crackling sound.
The frequency of Bluetooth is much higher than that of radio station bands .
7.
If I cup my hand over a bluetooth device the signal strength and quality suffers.
Why does this happen?
Bluetooth signals are radio waves and so do not need line of sight to operate. But,
radio waves cannot travel through water and as the human body is made up of
mostly water they cannot travel through it. And so, your hand will create a barrier
causing slight interference and a loss of signal quality.
8.
What Bluetooth devices can use a Bluetooth headset?
To use the V12 the device must support either headset or handsfree bluetooth
profi les. Some devices may only support data transmissions and not audio.