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Satellite Navigation Glossary

Reversing Cameras
& Monitors Glossary

Vehicle Audio Glossary

Sound Systems Glossary

Mobile Satellite TV Glossary

2x2x2 preview
The customer is given the opportunity with every update to test 2 country maps and 2 travel guides from the Navigation and Travel Info content categories for 2 days, free of charge.

5 Sound Presets
There are five sound presets with pre-adjusted frequency curves for Rock, Pop, Jazz, Classic and Vocal.

6 Day/night colour settings
Colours used in the display can be adjusted to suit ambient light conditions.

8 route planning choice
Choice of 8 different criteria when calculating a route (e.g. shortest route, fastest route, avoid motorway, use motorway, avoid toll roads, etc.)

Access code
When content has been ordered, the C-IQ Service Centre automatically sends the access code for activation, either via the Internet or by SMS to the user's mobile phone.

Aluminium Cone
Subwoofer diaphragm made of pure aluminium. Aluminium subwoofers are particularly lightweight and rigid, guaranteeing a dry and powerful bass sound with no distortion.

Anti-Shock Memory, 2.8 seconds
Digital cache memory ensuring maximum enjoyment of your CDs, even on the toughest of road surfaces.

Anti glare cabinet
There are many monitors on the market which do not have an anti-glare monitor cabinet. These can reflect against the windshield.

Anti-vibration mechanism
CD-Changer feature which ensures that the highly sensitive CD mechanism functions properly in all road conditions. Also offers optimum protection for CDs and CD-Changer.

Auto brightness control
Brightness adjustment of the screen at twilight in order to avoid blinding the driver. MOBITRONIC systems are operated via the headlights.

Auto Equalizer
Analyses the acoustic characteristics inside your car and calibrates audio output to match. Bass, treble and the DSP Sound Presets can then be set to your own individual preferences.

Auto iris/Electronic Iris (EI)
The function of the electronic iris is comparable to that of the electromagnetic iris in a camera lens. It adjusts the signal coming from a picture sensor and prevents overexposure. The higher the test-frequency for the picture signal, the more light-stable is the camera (e.g. 1/50 - 1/100.000 seconds). This is absolutely necessary for all commercial vehicles and recommended for mobile homes. The electronic iris ensures that light or shadows do not negatively effect the quality of the picture.

In systems without iris control, significant problems wilI arise under the following conditions:

• light reflections from light-coloured road toppings or snow covering
• the sun in low positions
• glaring caused by headlights from behind

Auto Leveler
Ensures a constant volume level when switching between different audio sources, automatically compensating for discrepancies and obviating the need for manual adjustment.

Automatic display brightness control
Brightness is adjusted to suit ambient light conditions by means of a photoelectric cell integrated into the display.

Background noise
Every electronic appliance produces a basic noise (internal interference). The effective signal, e.g., the video signal, should have the highest possible norm (usually 45 dB) so as to not be disturbed by basic noises.

Bass Boost
Selectable function that boosts bass output by around 10 dB/45 Hz in the amplifier.

B.L.C. (back light compensation)
Compensation for oncoming lights blending out oncoming lights by way of an additional filter level of the automatic iris control (EI).

Bracket
An electrically-insulated installation of the camera bracket to the vehicles body is recommended in order to avoid interference from random radiation.

Camera cabinet
Most of the camera cabinets are made of aluminium. To prevent corrosion, a resistant coating is necessary, (e.g., a resistant powder coating or epoxy).

Camera heater
One distinguishes between cabinet and front-pane heaters. Only few camera systems have built-in pane heaters (minimum 4 watts). Optimum performance is provided by active heaters operating independently of the system.

Capillary effect
Capillary effect (water vacuum mechanism) exists in the system cables of every camera. For that reason the plug connections in the good systems are sealed. Damage to cables must be corrected because water could seep into the cameras.

CCD picture sensor
Picture aquisition sensor on a semiconductor basis, waterproof, diameter 1/2, 1/3 and 1/4 inch.

CE mark
Europe-wide mark obligatory inspection of electronic appliances for electromagnetic compatibility (resistance to interference and interfering radiation). Basis for the CE-mark are approvals of home appliances.

CD Text
Function available on CD players that allows CD data (artist, title, etc.) to be displayed, if the CD contains this information.

CD-ROM
Compact Disc Read-Only Memory (e.g. for digital maps). Data cannot be written to or deleted from a CD-ROM.

Chromium electroplated coating
The speaker diaphragm is coated with a chromium layer to create a uniform surface finish and thus a more precise, more homogenous sound.

Condensation
Fogging of the lenses or the camera glasses inside the camera, which can occur as a result of significant temperature fluctuations. Compact camera cabinets or moisture-free gas fillings (e.g. nitrogen) minimise the risk.

Confirmation code
This code is displayed by the navigation system when an access code is returned. It must be forwarded to VDO Dayton to complete the cancellation process. (Þ revocations code)

Content
Refers to all C-IQ products available for activation.

Content categories
The three C-IQ core areas Navigation, Traffic Info and Travel Info.

Content package
Navigation package comprising content products selected to meet a specific set of needs.

Cooling Fan
Fan used to extract heat from amplifier case. Enables more compact case design, while constant low temperature ensures less interference and longer component life.

C-IQ account
Overview of all personal C-IQ settings and data on the Internet.

C-IQ Service Centre
C-IQ helpline with a freephone service number: 0800 99 33 33 33.

C-IQ update
Regular delivery of an updated DVD, free of charge.

C-IQ Service Card
Sent to the customer after registration, together with the welcome letter. It contains all the information the customer needs to know, such as customer number and contact addresses.

CRT (cathode radiation tube)
Proven but space consuming screen technology. Because of the rather large monitor, a use is not always possible.

Data protection
When developing C-IQ, special attention was paid to ensuring compliance with all legal requirements regarding the confidentiality of customer data.

DAB
Digital Audio Broadcasting is a digital method of transmitting significantly larger quantities of data to radio receivers than is possible with conventional analogue signals.

Digital CD-Changer Input
Sound signals from the CD-Changers are transmitted in digital form and processed by the Digital Sound Processor without the need for digital/analogue conversion.

Digital Output
The digital sound signal is transmitted directly to the audio system's central processor without the need for digital/analogue conversion.

Digital RDS-Tuner
Digital tuner offering a wealth of user functions.

Digital Sound Processor
The heart of the digital concept from VDO Dayton. Just like a PC, VDO Dayton audio systems process all signals in purely digital form, from the tuner through the cassette and CD drives to preamp out.

Distance mark
Stickers with guiding lines to help in determining the exact distance from the obstacle. High quality systems are equipped to phase in and shift these guiding lines electronically.

Distortion Reduced Motor Design
A special magnet construction practically eliminating distortion naturally caused by self-induction and impedance varying with excursion of the voice coil. This results in unbelievably clean bass reproduction.

Dolby
Technology developed to reduce noise and enhance the dynamic range on cassette tapes.

DVD - Digital Versatile Disc
12.5 cm digital data carrier with optical read-out. Providing a capacity of 4.7 gigabytes, a DVD can store about seven times more data on the same surface than a CD-ROM.

Dynamic Navigation with TMC
Even otherwise unforeseeable traffic hazards such as detours or congestion won't catch you out, thanks to the unique new Dynamic Navigation function. This TMC-enabled function uses up-to-the-minute digital RDS traffic information supplied by an optional Dynamic Navigation Receiver. The information is analysed by the navigation computer and used to calculate an alternative route.

E-mark
Compatibility approval designed specially for automobiles. Is obligatory as of October 2002 and replaces the CE-inspection.

Electronic Iris (EI) - see Auto Iris

GPS
Global Positioning System. System used to determine the receiver's position on the Earth's surface using information transmitted from the 24 GPS satellites currently orbiting the globe.

Grease
Many plugs don't give a tight connection when getting in direct contact with water. Filling the plugs with grease makes a water-resistant finish.

GSM
Global System for Mobile Communications and digital transmission and receiving equipment.

GSM handsfree telephone
Optional handsfree telephone kit. Makes for safer and more convenient use of a car telephone.

Guided tour
Using the motto "Three Steps to Success", this tour shows your customers how easy it is to register and activate content with a few mouse clicks.

Gyroscope
Non-magnetic, electronic gyrocompass used to determine the exact angle of rotation.

Hazardous goods audit
Special audit granted by German safety standards authority (TÜV) to electronic components designed for use in vehicles carrying hazardous goods.

High Level Input
Input used to connect a car radio directly to an amplifier if the radio is not equipped with a pre-amp out or line out.

High Definition Air Cored Inductors, Polypropylene Capacitors
High quality crossover components for excellent sound reproduction.

High-Pass Filter
Midrange/tweeter filter offering seamless crossover between midrange/tweeter systems and subwoofer.

Illumination
The rear lights and a clear evening sky are sufficient to deliver images, provided one has a light sensitive camera with smaller LUX value (e.g. 0.5 LUX). Some cameras need no more than a little moonlight. Good black & white reverse cameras have a light sensitivity of approximately 1-2 LUX. Good colour ones have approximately 5-10 LUX.

IMPP Cone
Injection-moulded polypropylene diaphragms offer greater precision than conventional diaphragms. Polypropylene is an extremely stable material making it ideal for speaker cone applications. Extremely fine tolerances offer outstanding precision and responsiveness.

Insulating tape
For reliable sealing of camera plug connections, we recommend self-sealing insulating tape (e.g. from 3M)

Intelligent destination input
When a letter is entered, the system will only illuminate those subsequent letters that match an existing record. If multiple instances exist for a particular name, all alternatives will be displayed.

IP (internal protection)
Standard describing the tightness of cabinets.
IP 64 - splash-proof
IP 65 - hose-proof
IP 66 - resistant to strong water jets
IP 67 - resistant to temporary submersion
IP 68 - resistant to long-term submersion
IP 69K - resistant to high pressure cleaning
Note: Water can, however, seep into the camera as a result of capillary effect in the camera cables. These standards do not apply to the condensate information in the camera!

LCD monitors
Latest generation monitors with liquid crystal displays (LCD) offer the advantages of saving space and providing a colour display The LCD monitors have a somewhat weaker lighting than the CRT monitors. The light intensity should be at least 250 cd/m2

Lens
The image sensor used (1/2", 1/3", 1/4") and the focal distance of the lens determine the displayed field of vision. The smaller the focal distance, the larger the field of vision.

Lens cover
Usually normal glass is used, which gets scratched over time. Cameras with double glass provide two advantages. The outer glass can be replaced, and if it breaks, the inner glass protects the camera from damage.

LUX - see Illumination

Maximum Power
Maximum power output by loudspeakers at pulse peaks.

Microphone/Loudspeaker system (audio)
There is a built-in microphone in the camera which picks up and sends surrounding noises to the speakers being installed in the monitor. Useful when driving with trailers, since because of the length of the vehicle, no interfering motor noises are picked up and transmitted.

MS 5500 XL
Navigation system consisting of the PC 5500 and MM 5500.

Navi ID
Identification number of the navigation system. It is displayed in the system under menue “C-IQ”.

Nitrogen Filling
Nitrogen reacts neutrally to great temperature fluctuations. Very low temperatures, therefore, so not lead to under-pressure, which would draw water into the cabinet. To achieve optimal protection against waterflow into the cabinet, the nitrogen should be pumped in with a slight over-pressure. Cameras with this protection fulfill min. IP 68.

Nomex/Kevlar/Glassfibre
Material used in high-tech applications from space travel to performance cars. Ultra stiff but relatively light, incredibly stable even at very large sound pressures. Offers improved accuracy and greater consistency over the frequency.

Operating voltage (DC voltage/power source)
Needed power for the monitor. The systems that can operate within the voltage range of 10-32 volts are very convenient.

Picture points (pixels)
The more picture points a CCD sensor has, the higher is the picture resolution and image contrast and hence the picture definition.

Picture tube
Picture projection through a tube. The size is usually given in inches and ranges from
4 to 7 inch screen diagonal. (1 inch = 2.54 cm)

Picture reflection (normal/mirror)
The camera picture will be mirrored upon pressing the button. That means what was previously on the left side of the screen is now on the right side. It will be necessary to make a distinction, when a second camera views the front. It is imperative, though, to make a distinction in the case of differing camera positions in order to to be able to maintain the picture on the proper side.

Plastic camera cabinet
Camera cabinets made of synthetic material are more robust that one would think. They are more resistant to salt etc., than aluminium cabinets with simple paint coats.

POI
Points of interest, i.e. special destinations such as hotels, restaurants, car parks or city centres in Europe, and selected rest areas and service stations along European highways.

Protection cap
A motor-operated camera cover protects the lens from soiling. Easy set-up, which should not be used in heavy-duty areas, however.

QXS
A quick method of selecting destinations by entering the street name.

RDS
Radio Data System. RDS is a service offered by radio stations in which additional data is transmitted alongside conventional music and voice programmes. This data can be interpreted and processed by RDS-compatible receivers.

Revocation code
Part of the content cancellation process: after selecting and confirming all the access codes acquired with the order, customers receive a revocation code for each access code. This code must be entered in the MS 5500 to complete the cancellation procedure.

RMS
Internationally recognised method for measuring and determining the continuous output rating of amplifiers.

Scrolling Map
Map is seamlessly updated as your position changes. Car remains at the centre of the screen throughout your journey for easier orientation.

SDVC
Speed Dependent Volume Control. Audio volume is automatically adjusted to compensate for changes in engine and road noise as speed increases or decreases.

Softkey Operation
Softkeys are assigned different functions depending on the audio source being used. For the user, this represents maximum functionality from a minimum number of controls. Speed Warning Emits a warning tone whenever a predefined speed limit is exceeded.

Solid, gold plated connectors
Low resistance, no corrosion.

Telephone In
Input for GSM phone.

Telephone Mute
Lowers the volume of the audio system during a telephone call.

Temperature Display & Warning
The current outside temperature can be displayed at the push of a button. The system emits a warning tone when the temperature drops below 3°C.

Text on the screen (OSD)
Text information, date or distance marks are shown on the screen.

TFT technology
Image generation technology that gives especially brilliant pictures and the widest possible monitor viewing angle.

THD
Total Harmonic Distortion

TMC Service
The Traffic Message Channel delivers continually updated information on current traffic conditions. This service is available in almost all Western European countries. A TMC receiver is required.

Travel Info
Contains electronic hotel, restaurant and city guides in a web-based format.

Traffic Info
Dynamic navigation via TMC enables intelligent diversions to avoid congestion.

TV Tuner
Offers TV reception on the road. Upsidedown Mode On-screen display can be rotated through 180° to facilitate installation on the rooflining of the vehicle.

User ID
Chosen by the customer during the registration process. This ID is used for identification purposes in all future transactions.

Variable Low-Pass Filter
Subwoofer filter offering seamless crossover between subwoofer and midrange/tweeter systems depending on in-car acoustic characteristics and user preferences.

Vibration resistance
Reversing video systems have to be able to sustain all kinds of bumps and shaking. A norm for measuring vibrations is 'g' - gravitation acceleration. The norms of standard systems are 4-5g. Heavy-duty systems have norms of up to 10g.

Video signal
Analogue signal required for image transmission. Most systems use an analogue video signal to transmit pictures. Interference-free transmission is only possible via special cables at a limited length.

Video signal format
Basically, two types of signal are used (CCIR or NTSC). This is the PAL or NTSC standard. Systems with CCIR standard (picture repetition frequency, 50 Hz) correspond to the European video standard, systems with the NTSC standard (picture recitation frequency, 60 Hz) correspond to the American standard. 60 Hz systems may show slightly flickering monitor pictures when near garage, road or yard lights.

Viewing angle
Usually two viewing angles, the horizontal and the vertical one, are of interest. The horizontal viewing angle describes the lateral view. The wider a vehicle the higher the value should be. The vertical viewing angle describes the rear view. The higher the angle the longer the rear view. A wide viewing angle let obstacles appear smaller than in reality. The user of a rear view system, therefore, should ensure familiarity with this mode of presentation.

Viewing area
The viewing area describes the observed field, which can be displayed on the monitor. The mounting height of the camera should have the proportions of 1:1:5 towards the required horizontal viewing area.

Welcome Letter
Letter sent to the customer to confirm their registration.

Widescreen Colour Monitor
The 5.8" screen and aspect ratio of 16:9 not only offer a perfect on-screen image, they also facilitate simultaneous icon and map display.

ZIP
A convenient way to select destinations by entering the postcode.