sat nav CITROEN C4 AIRCROSS DAG 2021 Handbook (in English)

212
CITROËN Connect Nav
► Delete the files supplied with the memory stick and limit the number of sub-folders in the
file structure on the memory stick.
The CD is systematically ejected or is not
played.
The CD is upside down, cannot be read, does
not contain audio files or contains audio files of a
format not recognised by the audio system.
► Check that the CD is inserted in the player the right way up.► Check the condition of the CD: the CD cannot be played if it is too badly damaged.
The CD has been burned in a format that is not
compatible with the player (udf, etc.).
► Check the content if it is a burned CD: consult the advice in the "AUDIO" section.► The audio system CD player does not play DVDs.
The CD is protected by an anti-pirating system
not recognised by the audio system.
► Due to poor quality, certain burned CDs will not be played by the audio system.
There is a long waiting period following the
insertion of a CD or connection of a USB
memory stick.
The system reads a variety of data (folder, title,
artist, etc.). This can take from a few seconds to
a few minutes.
This is perfectly normal.
The CD audio quality is poor.
The CD is scratched or of poor quality.
► Insert good quality CDs and store them in suitable conditions. The audio settings (bass, treble, ambience) are
unsuitable.
► Return bass and treble settings to 0, without selecting an ambience.
Some characters in the information about
the media currently being played are not displayed correctly.
The audio system is unable to process certain
types of character.
► Use standard characters to name tracks and folders.
Playback of files in audio streaming mode
does not start.
The connected device does not automatically
start playback.
► Start playback from the device.The names of tracks and playing times
are not displayed on the screen in audio
streaming mode.
The Bluetooth profile does not allow the transfer
of this information.
Telephone
I cannot connect my Bluetooth telephone.
The telephone's Bluetooth function may be
switched off or the telephone may not be visible.
► Check that the telephone has Bluetooth switched on.► Check in the telephone settings that it is "visible to all".► Deactivate then reactivate the telphone’
s Bluetooth function. The Bluetooth telephone is not compatible with
the system.
► You can check that your telephone is compatible on the Brand's website (services).
The volume of the telephone connected in
Bluetooth mode is inaudible.
The volume depends on both the system and the
telephone.
► Increase the volume of the audio system, to maximum if required, and increase the volume of
the telephone if necessary.
Ambient noise affects the quality of the
telephone call.
► Reduce the ambient noise level (close windows, reduce ventilation, slow down, etc.).
Some contacts are duplicated in the list.
The options for synchronising contacts are:
synchronise the contacts on the SIM card, the
contacts on the telephone, or both. When both
synchronisations are selected, some contacts
may be duplicated.
► Select "Display SIM card contacts" or "Display telephone contacts".
The contacts are not listed in alphabetical
order.
Some telephones offer display options.
Depending on the settings chosen, contacts can
be transferred in a specific order.
► Modify the telephone directory display settings.
The system does not receive SMS.
SMS text messages cannot be sent to the
system in Bluetooth mode.
Settings
When the treble and bass settings are
changed, the ambience is deselected.
When the ambience is changed, the treble
and bass settings are reset.
Selecting an ambience imposes the treble and
bass settings, and vice versa.
►
Modify the treble and bass or ambience settings to obtain the desired musical ambience.
When the balance settings are changed, the
distribution is deselected.
When the distribution setting is changed, the
balance settings are deselected.
Selecting a distribution setting imposes the
balance settings, and vice versa.
► Modify the balance setting or the distribution setting to obtain the desired sound quality.
There is a difference in sound quality
between audio sources.
To allow for optimal listening quality, the sound
settings can be tailored to different audio
sources, which can generate audible differences
when changing source.
► Check that the sound settings are appropriate to the sources listened to. We recommend
setting the sound functions (Bass:, Treble:,
Balance) to the middle position, setting the
musical ambience to "None", setting loudness
correction to "Active" in USB mode and "Inactive"
in Radio mode.
► In all cases, after applying sound settings, adjust the volume level on the portable device (to

213
CITROËN Connect Nav
12Settings
When the treble and bass settings are
changed, the ambience is deselected.
When the ambience is changed, the treble
and bass settings are reset.
Selecting an ambience imposes the treble and
bass settings, and vice versa.
► Modify the treble and bass or ambience settings to obtain the desired musical ambience.
When the balance settings are changed, the
distribution is deselected.
When the distribution setting is changed, the
balance settings are deselected.
Selecting a distribution setting imposes the
balance settings, and vice versa.
► Modify the balance setting or the distribution setting to obtain the desired sound quality.
There is a difference in sound quality
between audio sources.
To allow for optimal listening quality, the sound
settings can be tailored to different audio
sources, which can generate audible differences
when changing source.
► Check that the sound settings are appropriate to the sources listened to. We recommend
setting the sound functions (Bass:, Treble:,
Balance) to the middle position, setting the
musical ambience to "None", setting loudness
correction to "Active" in USB mode and "Inactive"
in Radio mode.
► In all cases, after applying sound settings, adjust the volume level on the portable device (to a high level) first. Then adjust the volume level
on the audio system.
When the engine is off, the system switches
off after several minutes of use.
When the engine is switched off, the system's
operating time depends on the state of charge of
the battery.
The switch-off is normal: the system
automatically goes into energy economy mode
and switches off to maintain an adequate charge
in the battery.
► Start the vehicle’
s engine to increase the charge of the battery.
The date and time cannot be set.
Setting of the date and time is only available
if the synchronisation with the satellites is
deactivated.
► Settings menu / Options / Time-Date setting. Select the "Time" tab and deactivate the "GPS
synchronisation" (UTC).