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When the registration is finished, the device will stay turned on permanently. The battery should work up to 6
months, depending on the amount of use and the battery quality. The highest energy consumption occurs
when the audio signal is used.
8.8. Pairing With a New Device
When Bluetooth communication is established between two Bluetooth devices, one of them is a host and
another – a client. The Hideez Key is usually a client, so, according to Bluetooth specification, it can be
connected to only one host at the same time. Also, the Hideez Key is invisible to other devices when it is
connected.
To create a new Bluetooth connection, the Hideez Key has to be disconnected from any hosts. To do that,
simply place the currently connected device outside the signal range or switch off its Bluetooth module. The
new Bluetooth connection procedure is the same as described above.
Although it is possible to maintain only one active connection, Hideez Key can store the list of connection
parameters set for up to 8 devices and can switch between them. When a 9th device is connected, the oldest
one is removed from the device list.
8.9. Support of Constant Connection
Hideez Key is designed for non-stop connection with the host-device. If the connection is broken because the
devices are out of range, it will be restored automatically when they are close enough. If the key fob paired
device list has more than one device, it will connect to the first one it can find.
The host device (phone or PC) have to scan the Bluetooth channel from time to time to detect the Hideez Key.
Scanning cannot be performed constantly for several reasons:
• The Bluetooth scanning antenna cannot be used to communicate with other Bluetooth devices
during the scanning process.
• Scanning requires a lot of energy that may negatively affect the operating time of the battery.
• Some Bluetooth adapters are combined with Wi-Fi adapters and use the same antenna for both
protocols. During scanning, the Bluetooth antenna cannot be used for data transmission by Wi-Fi,
which can cause a decrease in data transition rates.
For these reasons the scanning time should be minimized.
The Hideez Safe scanning algorithm constantly adjusts according to usage and the length of time since the last
connection was lost. However, there can be a delay of 10-15 seconds to connect the key fob.
Notice: Bluetooth adapter drivers do not always work properly. With intensive use, especially when they need
to reconnect frequently to different devices, the adapter can go down. In these cases, Bluetooth connection
and scanning are impossible. Software reset of the Bluetooth adapter may help. It may also be necessary to
restart a PC.
8.10. Switching Between Paired Devices
Hideez Key can switch between Paired Devices. To do this, press and hold the multifunctional button for 2-4
seconds. Hideez Key will disconnect from the current device and will start advertising for other devices from
its list. The first device which finds Hideez Key, will connect it.
If these devices do not respond, or only one device is present in the list, Hideez Key will connect to the
previous device again.
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