The CDR-31 can distract your attention from
the traffic conditions. You could cause an accident and place yourself and others in danger.
f Always devote your complete attention to the
traffic situation.
f Only operate the CDR-31 when traffic and dri-
ving conditions are appropriate.
f Only change discs while the vehicle is stationa-
ry.
f Set the volume to a level that allows you to
hear important sounds outside the vehicle e.g.
horns, sirens and alarms.
d Warning!
The CDR-31 is a Class 1 laser product. There
is a risk of damage to the eyes from invisible
laser radiation if the housing is opened or if
it is faulty or damaged.
f Do not open the housing.
f Do not remove any covers.
f Do not carry out any repairs to the device. If
necessary, the device must be repaired by a
suitably qualified repairer.
Protective circuits
The CDR-31 includes protective circuits that prevent damage to the device as far as possible:
– If the supply voltage is too low or too high, or
if the CDR-31 becomes too hot, the CDR-31
will switch off automatically.
– CD mode will be switched off if the CD drive
overheats. It is possible to switch to another
sound source until the CD drive has cooled
down.
Theft protection
Th e CD R-31 c annot b e switch ed on if th e the ft w arning system on the vehicle is active.
General instructions 3
Introduction to operation
Operating functions using the
touchscreen
The screen of the CDR-31 is a colour touchscreen
which allows you to operate the menus easily and
comfortably.
You can operate all menu functions, list entries
and text input fields, as well as the arrow symbols
by gently touching the appropriate place on the
screen.
Operating functions with the
right knob
In addition to touchscreen operation, you can operate all menu functions, list entries and input fields
using the knob on the right:
f Turn the right knob to mark the menu item.
f Press the right knob to select the menu item.
d Caution!
Risk of damage. The CDR-31 contains high
quality electronic components which require
careful maintenance and care.
Please note the following:
– The screen is easily scratched.
– Do not spray liquid onto the appliance. If liquids
get inside the appliance these could destroy it.
f Carefully clean your CDR-31 from time to time
using a soft, dry and clean cloth (microfibre
cloth) or a cleaning brush.
f Do not lean heavily on the surface when clea-
ning the appliance.
f Never use cleaning solutions such as methyla-
ted spirit, white spirit, benzene, acetone or alcohol (ethanol, methanol or isopropanol) or
any abrasive.
f Wipe away fingerprints using a slightly damp
cloth or a mild cleaning agent.
f Never spray cleaning agents or other liquids di-
rectly onto the screen. Dampen a cloth and
then carefully wipe the screen.
f Never open the CDR-31 yourself in the event of
a fault! Take the faulty appliance to be repaired
by a competent specialist repairer. We recommend that you use a Porsche Partner for this
work as this will ensure that trained workshop
staff and the necessary parts and tools will be
available.
If it is extremely cold, it will take a few minutes for
the screen to reach maximum brightness.
4 Introduction to operation
Controls and their functions
1 Touchscreen
2 Main menu buttons
FM button
AM button
PHONE button
CD AUX button
SAT button
3 "Lift receiver" button l
"Hang up" button k
4 Traffic Announcement button TP
5 Left knob: adjust volume
Press briefly: switch on appliance or mute
Hold down: switch appliance on or off
6 Arrow buttons
7 SOUND button
8 INFO button
9 CAR button
10 Right knob
Turn: mark menu item
Press: select menu item
11 OPTION button
12 Back button
13 Insert and eject button for CDs j
Introduction to operation 5
1 - Touchscreen
You can control all operable features such as
menu items, list entries, arrow symbols etc. by
tapping the screen.
2 - FM, AM, PHONE and CD AUX buttons
If you press these buttons the following main menus will appear
– FM: FM radio main menu
– AM: AM radio main menu
– PHONE: phone main menu
– CD AUX: press once CD main menu, press
again AUX main menu
You can switch from one main menu to another at
any time. If you go back into a main menu, you will
go back to th e fun ctio n you wer e using be fore yo u
exited the menu.
3 - "Lift receiver" button l and "Hang
up" button
Pressing the "Lift receiver" button l allows you
to:
– take an incoming call
or
– access the speed dial function.
Pressing the "Hang up" button
– reject an incoming call
or
– end an existing call.
If a phone is not connected to your vehicle, these
buttons have no function.
k
kallows you to:
4 - Traffic Announcement button (TP)
Pressing the Traffic Announcement button TP switches reception of FM traffic announcements ON or
OFF.
5 - Right knob
Besides the touchscreen the right knob is the main
control. Turning the knob marks the desired menu
item. Pressing it selects a marked menu item.
6 - Arrow buttons
Briefly pressing the and arrow buttons allows you to
– skip to the previous or next track in CD mode
– start a station search in Radio mode
If you hold the arrow buttons down for several seconds you can:
– start fast-forward or rewind in CD mode
– start the SCAN function in Radio mode.
7 - SOUND button
If you press the SOUND button a menu will open allowing you to adjust the sound settings for the
CDR-31.
6 Introduction to operation
8 - INFO button
10 - Left knob
11 - OPTION button
Pressing the INFO button displays information
about the current audio source, the phone status
and the system.
9 - CAR button
If you press the CAR button a menu will open allo-
wing you to adjust the system settings.
Holding down the left knob switches the appliance
ON or OFF.
Pressing the left knob allows you to change the following settings:
– Volume of the active audio source
– Volume of a traffic announcement
– Volume when making a call using the handsfree
unit
– Ring tone volume of phone for an incoming call
– Cancel mute (turn the knob to the right).
Briefly pressing the left knob performs the following functions:
– Cancel traffic announcements
– Mute the appliance
– Switch on the system.
Pressing the OPTION button takes you into the options menu of the main menu you are currently in.
12 - Back button
Pressing the back button allows you to perform
various functions.
By briefly pressing the back button you can:
– Undo a selection you have made
– Cancel a list selection.
Introduction to operation 7
13 - Eject button j
Pressing the j button performs the following
functions depending on the features of your CDR31:
CDR-31 without a CD changer
– If there is a CD in the device, it will be ejected
for you to remove.
CDR-31 with CD changer
– The CD changer menu will open.
– Pressing the button again will eject the marked
CD for you to remove.
– If you hold the button down for several se-
conds and there are no CDs in the changer
compartments, you will be prompted to insert
CDs into the compartments one after the
other.
– If you hold the button down for several se-
conds and there are CDs in at least some of
the compartments, all the CDs will be ejected
one after the other.
Using the menus
Main menus and submenus
You can use the touchscreen or the right knob or
the button to operate the menu.
Activating/selecting a menu item
f Touch the menu item on the screen.
- or -
f Mark the menu item by turning the right button
and then activate it by pressing the knob.
The process of marking and activating using the
right knob or touching the menu item on the
screen will be referred to from now on as "Selec-
ting".
Exiting the menu
f Press the button to move up one level of
the menu.
- or -
f Press a main menu button to return to a main
menu.
Settings
Each of the FM, SOUND and PHONE modes has an
associated settings menu. To go to the settings
menu first press the main function button and then
the OPTION button or touch "OPTION" on the touchscreen.
8 Introduction to operation
Using lists
Using checkboxes
Using option fields (radio buttons)
Lists can be accessed by selecting certain menu
items
Navigating within lists
You can select list entries as follows:
f Touch the and symbols on the screen
f Turn the right knob.
A marked list entry will appear in an orange frame.
Some menu items have a box beside them. These
menu items represent a function which can be activated or deactivated by selecting it.
Function ON/activated.
Function OFF/deactivated.
If the menu item has a circle beside it instead of a
box, it is known as an option field.
Unlike checkbox functions which can be combined
any way you like, only one menu item can be active in option fields.
Like checkboxes, option fields are activated or
deactivated by selecting them.
If the circle is filled in, the option field is active.
Introduction to operation 9
Using the input menu
The PHONE menu allows you to search for names
in the Contacts.
f To enter data in an input menu, gently tap the
character on the screen.
- or -
f Mark the character by turning the right knob
and insert it by pressing the right knob.
f To confirm and use the data entered select the
OK field.
Characters appearing in grey cannot be selected.
As well as letter fields, the input menus also contain certain function fields to change the range of
characters displayed
ABC Switch to alphabet
123 Switch to numbers and punctuation
marks
ÄÉÑ Switch to additional characters
SPACE Inserts a space
10 Introduction to operation
Basic functions
Switching ON
f Press the volume control knob briefly.
The most recently selected main menu will be
displayed and the most recently selected
sound source will be activated.
Switching OFF
f Press and hold the volume control knob.
Note
If the CDR-31 is switched ON, then it will be switched ON and OFF automatically with the ignition.
Volume settings
The volume control knob can be used to adjust the
volume of the sound source (AM, FM, CD and
AUX), as well as the volume of the hands-free telephone system. The volume levels set for the
sound sources and the hands-free telephone are
stored independently of each other.
f Turn the left volume control knob to the right to
increase the volume.
f Turn the left volume control knob to the left to
reduce the volume.
Sound off (MUTE)
Activating
f Press the volume control knob briefly.
The MUTE symbol will be shown in the status bar.
Deactivating
f Press the volume control knob briefly.
The MUTE symbol will disappear.
Sound settings
The bass, treble, balance, fader and loudness settings can be used to adjust the CDR-31 to provide
a sound optimised to your requirements. The
sound settings can be set for each sound sour-ce individually, with the exception of the balance
and fader.
Adjusting the bass
1. Press the SOUND button
2. Select "Bass".
3. Set the desired bass level using the and
symbols or by turning the right knob.
Basic functions 11
Setting the treble
1. Press the SOUND button
2. Select "Treble".
3. Set the desired treble level using the and
symbols or by turning the right knob.
Setting the balance
The balance settings can be used to adjust the volume distribution between the left and right speakers.
1. Press the SOUND button
2. Select "Balance".
3. Set the desired balance using the , ,
and symbols or by turning the right knob.
Setting the fader
The fader settings can be used to adjust the volume distribution between the front and rear speakers.
1. Press the SOUND button
2. Select "Fader".
3. Set the desired fader distribution using the ,
, and symbols or by turning the right
knob.
Adjusting the Loudness
(not Bose
The Loudness setting increases the sound capacity by accentuating the low frequencies (bass). This
has the most noticeable effect at lower volume levels.
1. Press the SOUND button
2. Select "Loudness".
®
Sound System)
Loudness is switched ON or OFF .
Surround (Bose® Sound System)
The Centerpoint® signal processing system
generates multi-channel surround sound from
standard stereo sources such as CDs, radio and
MP3s. To achieve this, the stereo signal is continuously analysed and converted into multi-channel
surround sound using Bose's patented algorithm.The SurroundStagesystem, a Bose technology, sends the surround
sound signals generated in this way to the appropriate loudspeaker, thus offering the listener a
well-balanced 360° listening experience.
1. Press the SOUND button
2. Select "Surround".
Surround is switched ON or OFF .
®
signal processing
Position (Burmester® Audio System only)
The position setting allows you to optimise the
sound in the vehicle to the seat of a listener.
1. Press the SOUND button.
2. Select "Posi tion".
You can now choose from the following options:
– "Front"
The sound is optimised for the driver and passenger
– "Symmetric"
The sound is optimised for the driver and passengers both in the front and in the back.
– "Rear"
The sound is optimised for the passengers in
the back.
3. Select to set the desired option.
12 Basic functions
Extended sound settings
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen
Traffic Announcement volume
The "Traffic Announcement" setting allows you to adjust the minimum volume of traffic announcements.
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen
3. Select "Traffic Announcement".
You can set a value between 0 and 11. The values have the following meaning:
0: Traffic Announcement OFF
6: Standard setting
Speed-dependent volume (not Bose®
Sound System)
The SDVC (Speed Dependent Volume Control) is
a feature that controls the volume automatically
according to the speed of the vehicle. The volume
is increased at higher speeds. This compensates
for the increase in driving noise that occurs as the
speed increases.
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen
3. Select "SDVC level".
4. Set the desired SDV level using the and
symbols or by turning the right knob.
Bose® Sound System settings
AudioPilot® "BOSE Sound System"
Wind, vehicle noise and rain can all negatively affect the enjoyment of music in a vehicle. AudioPilot® uses a microphone to detect all the noises
that occur inside the vehicle. A digital filter is then
used to distinguish between music, which is intended to be heard, and unwanted background noise.
Finally, the system continuously adjusts the tone
and v olu me o f th e mu sic playback in order to compensate for the effects of any background noise.
This means that manual readjustment of the tone
and volume settings is not necessary.
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen.
3. Select "AudioPilot".
AudioPilot is switched ON or OFF .
Basic functions 13
Linear
When the Linear feature is activated, the CDR-31
switches from an accentuated-bass sound mode
(Linear OFF) to a more audiophilic sound mode (Linear ON).
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen
3. Select "Linear".
The Linear feature is now switched ON or
OFF .
Burmester® sound settings
1. Press the SOUND button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen.
3. Select "Burmester".
You can choose from the following options:
– "Smooth"
– "Sound conditioner"
–"Surround"
–"Life"
4. Select to set the desired option.
14 Basic functions
CAR menu
In the CAR menu you can switch on the ParkAssistant display and adjust various system settings.
ParkAssistant
The ParkAssistant display is a visual parking aid
that works in conjunction with the acoustic parking
aid signal. Detected obstacles are displayed as
contours at their relative distance and position to
the vehicle.
d Warning!
An up-to-date warning of a potential accident
has to be added to the ParkAssistant from
the vehicle instruction manual.
Note
Please also refer to the relevant section in your vehicle instruction manual.
Once the ignition has been turned on the ParkAssistant display is automatically active up to a
speed of approx. 15 km/h.
The display shows obstacles in front of and behind
the vehicle. They are displayed as different coloured fields depending on how close they are to the
vehicle:
ColourDistance to obstacle
green< 120 cm< 180 cm
yellow< 80 cm< 80 cm
red< 40 cm< 45 cm
red and
continuous
tone
You can deactivate the visual and acoustic ParkAssistant by pressing the button in the overhead control panel. This will disable both the automatic and
manual display.
Note
If the ParkAssistant detects a trailer, it will not display any distance information behind the vehicle.
at front
< 30 cm< 35 cm
Distance to obstacle
at rear
Switching the automatic ParkAssistant
display ON/OFF
1. Press the CAR button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen.
3. Select "ParkAssistant active".
The automatic ParkAssistant display is now
switched ON / OFF .
The automatic display is switched on when:
– the vehicle is in reverse
– the vehicle detects backwards rolling move-
ment
or
– the distance to an obstacle detected at the
front is less than 80 cm.
Manual ParkAssistant display
1. Press the CAR button.
2. Select "ParkAssi stant".
Basic functions 15
Exiting the ParkAssistant display
The ParkAssistant display closes when:
– you go out of reverse gear (after 30 s or at a
speed of over 15 km/h)
– you press one of the buttons in the main menu
– you press the button
– you activate the EPB
– you put the gearstick into P position.
Switching off the screen
You can turn off the screen of the CDR-31.
1. Press the CAR button.
2. Select "Screen off“.
3. Select "Confirm".
The screen will come back on again when you
touch the touchscreen or press any button.
Adjusting the brightness
You can adjust the brightness of the screen from 6 to +6.
1. Press the "CAR" button.
2. Select "Brightness".
3. Set the brightness as desired using the and
symbols.
Settings in the CAR menu
You can adjust the settings of the CDR-31 in the
options menu in the CAR menu.
1. Press the CAR button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen.
Setting the language
1. Press the "CAR" button.
2. Press the OPTION button or tap "OPTION" on the
touchscreen.
3. Select "Language".
4. Select the desired language.
16 Basic functions
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