Jaguar XJ (X350). Manual — part 1295

12

Seek up AM (amplitude modulation) /FM (frequency modulation) cue/review CD

(compact disc)

13

Seek down AM (amplitude modulation) /FM (frequency modulation) cue/review

CD (compact disc)

14

Mode

15

On/Off and volume control

The Premium audio system comprises:

•

Audio head unit

•

Touch screen display

•

Amplifier

•

Speakers

•

Antenna system

The IHU incorporates a single CD (compact disc) player and audio controls. The unit is connected to

other audio units on the D2B bus. Above the IHU is the TSD. The TSD displays audio and navigation

system information as well as other vehicle systems.

TUNER

The IHU incorporates a AM/FM tuner which allows for 30 FM pre-sets (FM1 FM2 FM a) and 20 AM

(10 AM & 10 AM a, for Europe the 10 strongest LW & MW will be stored in frequency order). Pre-set

stations are stored in the IHU memory. The radio tuner also incorporates the following radio

functions:

•

Auto tune

•

Traffic announcements (TA) – Europe only

•

Radio Data System (RDS) EON function (Radio Broadcast Data System RBDS in NAS markets)

•

Seek station

•

Tune up/down

•

Scan PTY

For DAB/SDARS/IBOC radio functions a separate tuner module is required.

SDARS

The SDARS systems operate in the S-Band frequency range (2.3 GHz) and, as a result of the use of

satellite transmission have the ability to provide CD quality audio broadcasts over very large areas

(typically continents). SDARS service providers transmit a signal from their up-link facility (which is

the original point of transmission of data, voice or other information through an antenna system) to

a satellite where the signal is then down linked to both the terrestrial repeater network and the

individual SDARS car radios. The radio switches between the satellite signal and the repeater signal

depending on the strength of the signal at any given time.

The service is provided by a company called Sirius. The service comprises over 100 channels of digital

entertainment which is provided by subscription requiring a monthly payment.

Operation of the SDARS system is the same as the radio operation with selections made using the

TSD icons or the TSD buttons and rotary controller.

The SDARS system requires additional components to be added to the audio system. An SDARS

antenna and a receiver are fitted to allow reception of the service.

The customer must subscribe to receive the SDARS service. If the user selects a channel to which

subscription is not authorised, the TSD will display the telephone number of the SDARS providers

subscription service. The telephone number is stored in the IHU and can be changed or amended

using Jaguar recommended diagnostic equipment.

The SDARS systems comprises:

•

Satellites

•

Ground repeaters

•

Up-link ground stations

•

Radio receiver systems

The SDARS system uses three satellites on an inclined elliptical orbit. This ensures that each satellite

spends approximately 16 hours a day over the continent of the USA, with at least one satellite over

the country at any one time.

The satellites beam their signals down to the ground where the signal is picked up by receivers or is

transmitted to repeater stations to cover built up areas where the signal is obscured.

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SDARS is a subscription based service which requires the user to contact Sirius to obtain a

subscription. In order to obtain a subscription the SDARS unit ID number will need to be retrieved

from the unit. This is achieved as follows:

•

Press the MENU button and then rotate the menu control to scroll to advanced settings.

•

Rotate the menu control to scroll to SIRIUS ID and press the menu control to select it.

•

The Sirius ID is shown on the display screen.

If no subscription has been taken the ICM will display the Sirius telephone number. To subscribe to

Sirius use the displayed phone number. The user will need payment details, the Sirius ID number and

details of the required package.

The SDARS function is accessed by pressing the FM button and then pressing again to toggle through

the SAT1 and SAT2 sources. SAT1 and SAT2 operate in the same manner as FM1 and FM2.

The SDARS module is located in the rear LH side of the luggage compartment. The SDARS module is

connected to the rest of the audio system on the MOST ring. This allows control signals and received

audio to be routed around the system to the relevant module.

The SDARS antenna is located in the roof pod and is shared with the telephone system and

navigation system where fitted. The roof pod is located externally in a central position towards the

rear of the roof.

The roof pod contains two antennas for the SDARS system. One receives the digital transmissions

from the SDARS satellites and the second receives transmissions from the ground based repeater

stations.

The SDARS antennas are connected to the SDARS receiver using co-axial cables.

DAB/IBOC

Digital Audio Broadcast (DAB) is a digital radio network designed to provide reliable, multi-service

broadcasting for reception by mobile, portable and fixed receivers.

DAB is broadcast across Europe, Canada and most of Asia. In NAS markets DAB is replaced with the

IBOC system. Both systems are transmitted via terrestrial networks, on band III and L-band.

When the IHU is in any tuner mode, a short press of the "BAND" button cycles between the tuners

available to the user on the vehicle infotainment system. With DAB installed, these sources cycle as

follows: FM -> MW -> LW -> DAB1 -> DAB2 -> FM. The cycle list can only be navigated in one

direction.

The lowline IHU has an LCD (liquid crystal display) which is only capable of displaying upper-case

letters and some symbols.

CD PLAYER

The IHU incorporates a single disc CD player. There is also the option of a CD multi changer located in

the rear LH (left-hand) side of the luggage compartment. Both systems are capable of playing

commercial CDs, CDRs, CDRWs and MP3 discs. TheCD (compact disc) multi changer communicates on

the D2B bus with the rest of the audio system.

STEERING WHEEL SWITCHES

Item

Part Number

Description

1

Voice control/telephone

2

Volume up/down

3

Mode select

4

Cycle up/down

The audio and phone system steering wheel control switches are mounted on the LH (left-hand) side

of the steering wheel. The switches comprise:

•

Jaguar voice/telephone send/end receive switch

•

Volume increase/decrease

•

Mode select switch

•

Up/down cycle button

The switches operate on a resistive ladder principle. A reference voltage is supplied to the switches

and dependant upon which switch is operated a reduced voltage is returned to the head unit.

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