Volvo XC70 Owner's Manual download pdf (Page 142)

04 Comfort and driving pleasure

Audio system

04

142

channels will be displayed as 93.9 – 2

WNYC, 93.9 - 3 WNYC, etc.

•

Reception coverage area: Due to current

IBOC transmitter power limitations, the

reception coverage area in digital mode is

somewhat more limited than the station's

analogue coverage area. Please be aware

that as with any radio broadcast technol-

ogy, terrain, time of day, foliage level and

building location can have positive or neg-

ative effects on radio reception.

•

Analogue to digital/digital to analogue

blending: Analogue to digital blending will

occur as the signal strength reaches a pre-

set threshold in the receiver. This will be

noticeable in fringe areas (areas with weak

reception) and is normal.

NOTE

There may be a noticeable difference in

sound quality when a change from analogue

to digital or digital to analogue occurs, such

as:

•

Volume increase or decrease

•

Equalizer settings, i.e., Bass/ Midrange/

Treble cut or boost

•

Time alignment (Digital program mate-

rial in extreme cases can be as much as

8 seconds behind the analogue). This

will noticeable as a "stuttering" effect.

The above items are dependant on the

broadcaster's equipment settings and do

not indicate a fault in the vehicle's radio

receiver or antenna systems.

Switching HD on or off

The factory setting for HD radio is on. However,

when driving through areas with weak HD sig-

nals (fringe areas), you may experience that the

radio repeatedly switches between analogue/

digital and digital/analogue reception. If this

happens, it may be desirable to switch HD off.

To do so:

1. Be sure the audio system is switched on

and in AM or FM mode.

2.

Press MENU in the center console control

panel.

3.

Press ENTER to turn HD off (the X will dis-

appear from the box on the display screen).

This will disable the radio's capability to receive

digital broadcasts but it will continue to func-

tion as a conventional (analogue) AM/FM

receiver. Please note that when HD is switched

off, it will not be possible to tune to sub-chan-

nels (see the following section for a more

detailed explanation of sub-channels).

Repeat steps 2 and 3 above to reactivate HD

(an X will appear in the box on the display

screen).

Sub-channels

Example of an HD Radio station with sub-channels

In many cases, a main HD Radio station (FM

wavebands only) will also have sub-channels

offering additional types of programming or

music.

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