User's Manual
HTC BH M400 Bluetooth Headset Page 8
I want to reset the headset
It is possible to reset and test the headset by ’Press and hold’ the power key until the red and blue light off.
The headset will automatically turn off after approx. 20 seconds. The next time you power on, the headset will
go into pairing mode as the first time you powered your new BH M400 on.
Will the HTC BH M400 work with other Bluetooth equipment?
The HTC BH M400 is designed to work with Bluetooth mobile phones. It can also work with other Bluetooth
devices that are compliant with Bluetooth version 1.1 or higher and support hands-free and/or advance audio
distribution profile.
I cannot use Reject call, call on hold, Redial or voice dialling
These features are dependent on the ability of your phone to support a hands-free profile. Even if the
handsfree profile is implemented reject call, call hold and voice dialling are optional features which are not
supported by all devices. Please consult your device manual for details.
The device is not connected to my headset in time to answer an incoming call
If the headset is off and is turned on when a call is incoming, the device and headset might not connect in time
for the call to be answered. In order to avoid such inconveniences please keep the headset on, in range and
connected.
Taking care of your headset
Always store the HTC BH M400 with the power off and safely protected.
Avoid storage at extreme temperatures (above 45°C/113°F – including direct sunlight – or below -
10°C/14°F). This can shorten battery life and may affect operation.
High temperatures may also degrade performance. Do not expose the HTC BH M400 to rain or other
liquids.
WARNING!
Headsets are capable of delivering sounds at loud volumes and high pitched tones. Exposure to such sounds
can result in permanent hearing loss damage. The volume level may vary based on conditions such as the
phone you are using, its reception and volume settings, and the environment. Please read the safety
guidelines below prior to using this headset.
Safety guidelines
1. Prior to using this product follow these steps
Before putting on the headset, turn the volume control to its lowest level,
Put the headset on, and then
Slowly adjust the volume control to a comfortable level.
2. During the use of this product
Keep the volume at the lowest level possible and avoid using the headset in noisy environments where
you may be inclined to turn up the volume;
If increased volume is necessary, adjust the volume control slowly;
And
If you experience discomfort or ringing in your ears, immediately discontinue using the headset and
consult a physician.