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Select files for playback - with the buttons for selecting tracks.
Receiving and rejecting a telephone call - with the buttons for selecting disks or tracks
(depending on the software version).
Fast playback commands (FF and FR) adjust the sound level of the wireless channel.
In the standby mode, the module responds to incoming and outgoing phone calls, and
when recognized, it goes into the activity mode of the external device, while the audio
streams of the wireless channel are connected to the microphone and acoustics. On the head
unit's display, while this is the «Track-50» status, it is allowed to receive and reject a
telephone call using the disc or track selection buttons. After the session, the system returns
to its original state.
Adjusting the volume level
Fast playback commands (FF and FR) adjust the sound level of the wireless channel to a
higher or lower side. During audio playback, the volume level of the audio channel is
adjusted, and in the absence of audio playback, the volume level of the telephone channel is
adjusted. The module remembers these adjustments in non-volatile memory when it goes
into the «OFF mode». Therefore, for memorization of adjustments, it is necessary at least
briefly to transfer the module to the «OFF mode»by transferring the system to «Radio»mode
or by removing the USB flash drive (depending on the type of system).
Chapter 4. Audio input (AUX)
The Bluetooth module BMT-2.1 allows you to connect an additional external audio source
to the system. For this purpose, the module body has an additional connector (AUX), which
serves as an audio input. It is active if the USB adapter is in the AUX state, and the wireless
audio channel is not active (it is not necessary to disconnect the connection between the
module and the mobile device to play the sound through the external input).
Chapter 5. Use in different cars
In all cars (with the BMT-2.1 module operating), the sound is reproduced by the original
audio system, regulated by the standard controls, and during a telephone conversation, the
sound is received by the microphone supplied with the module. The user can set the sound
level separately for the telephone conversation mode and for the audio playback mode. With
the buttons of the original audio system, you can start and stop audio playback, switch
forward and backward audio tracks, and «take off / hang up»during a telephone
conversation.
