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VOLVO
V70

Chapter 10 - Audio systems

pg. 169 Audio systems


Introduction 170
HU-650 overview 171
HU-850 overview 172
Radio functions 173
RBDS functions 177
HU - 650 CD player 180
HU - 850 internal CD changer 181
External CD changer (option) 182
Dolby Surround Pro Logic II 183
Specifications 185
HomeLink® 186


pg. 170 Introduction

The audio system in your car is operated with the buttons and knobs in the system's front panel. Certain functions, such as adjusting the volume, changing radio stations or tracks on a CD, etc, can also be controlled with the optional steering wheel-mounted keypad.

The audio system is available in two versions:

HU-650
Features: AM/FM radio, single-disc CD player, 4x25W output, six speakers.

HU-850
Features: AM/FM radio, integrated 6-disc CD changer, 4x50W or 4x70W output plus 25W Dolby Pro Logic II, eleven speakers.
A subwoofer mounted under the floor in the cargo area is available as an option. Consult your Volvo retailer.

Compact disc care
• Before using a new disc for the first time, remove any burrs in the center/outer edge by running the stem of a pen or similar object around the hole/edge of the disc.
• Use high quality discs only.
• Keep the discs clean. Wipe them with a soft, clean, lint-free cloth, working from the center outwards. If necessary, dampen the cloth with a neutral soap solution. Dry thoroughly before using.
• Never use cleaning spray or antistatic liquid. Use only cleaners specifically made for CDs.
• Use discs of the correct size only (3.5" discs should never be used). The discs should conform to the norms EN60908 (IEC60908).
• Do not put tape or labels on the disc itself.
• Volvo does not recommend the use of plastic outer rings on the disc.
• Condensation may occur on discs/optical components of the changer in cold winter weather. The disc can be dried with a clean, lint-free cloth. Optical components in the CD changer may, however, take up to one hour to dry off.
• Never attempt to play a disc which is damaged in any way.
• When not in use, the discs should be stored in their covers. Avoid storing discs in excessive heat, direct sunlight or dusty locations.

pg. 171 Audio system HU-650 - overview


1. On/off - press
Volume - turn

2. Buttons for selecting stored radio stations/discs in optional CD changer

3. Bass (press to release control and turn to adjust)

4. Treble (press to release the control, and turn to adjust)

5. Balance (left/right) - press to release control and turn to adjust

6. Fader (front/rear) - press to release the control, and turn to adjust

7. Source/Menu
Press to open main menu
Turn to select FM, AM, CD, CD changer (option)

8. Scan function (automatically search for radio stations)

9. Exit (exit the menu)

10. Navigation buttons (seek/change radio station or CD track)

11. CD eject

12. CD slot

13. CD random play

14. FM (select FM1, FM2, FM3)

15. AM (select AM1 or AM2)

16. CD player

17. AUTO - automatically search for radio stations

18. Display

pg. 172 Audio system HU-850 - overview


1. On/off - press
Volume - turn

2. Buttons for selecting stored radio stations/discs in optional CD changer

3. Bass (press to release control and turn to adjust)

4. Treble (press to release the control, and turn to adjust)

5. Balance (left/right) - press to release control and turn to adjust

6. Fader (front/rear) - press to release the control, and turn to adjust

7. Source/Menu
Press to open main menu
Turn to select FM, AM, CD, CD changer (option)

8. Scan function (automatically search for radio stations)

9. Exit (exit the menu)

10. Navigation buttons (seek/change radio station or CD track)

11. CD eject

12. Dolby Surround Pro Logic II

13. 2-channel stereo

14. 3-channel stereo

15. CD slot

16. CD random play

17. FM (select FM1, FM2, FM3)

18. AM (select AM1 or AM2)

19. CD player

20. AUTO - automatically search for radio stations

21. Display

pg. 173 Radio functions HU-650/HU-850


Switch on/off
Press the knob to switch on or turn off the radio.

Volume control
Turn the knob clockwise to increase volume. Volume control is electronic and does not have an end stop. If you have a key pad in the steering wheel, increase or decrease the volume with the + or - buttons.

Volume control - ALARM
If a CD is playing when the radio receives an alarm bulletin (available in certain areas only), the CD player enters pause mode. The bulletin is broadcast at the volume selected for this type of message.
After the bulletin has been completed, the audio system reverts to the originally selected sound source (radio or CD), which is played at the volume that was selected for that source.
If the bulletin volume is adjusted while the bulletin is being broadcast, this new volume is saved and used for subsequent bulletins.

Volume control - Subwoofer
Turn the knob clockwise to increase volume.
Turn the knob counterclockwise to lower volume or switch off the subwoofer.
When the knob is in the middle, bass effect is "equalized".

pg. 174 Radio functions HU-650/HU-850


Sound settings

Bass
Adjust the bass by pressing the button to extend the control and turning it to the left (less bass) or to the right (more bass). A "detent" indicates "equalized" bass. Press the button back in when you have made the adjustment.

Treble
Adjust the treble by pressing the button to extend the control and turning it to the left (less treble), or to the right (more treble). A "detent" indicates "equalized" treble. Press the button back in when you have made the adjustment.

Fader - Balance front/rear
Adjust front/rear speaker balance by pressing the button to extend the control and turning it to the left (more sound from the rear speakers) or to the right (more sound from the front speakers). A "detent" indicates "equalized" balance. Press the button back in when you have made the adjustment.

Balance right/left
Adjust left/right speaker balance by pressing the button to extend the control, and turning it to the left (more sound from the left speakers) or to the right (more sound from the right speakers). A "detent" indicates "equalized" balance. Press the button back in when you have made the adjustment.

MID EQ level
This function is used to fine-tune the balance of sound in the speakers. To set the level:

1. Press SOURCE.

2. Turn the SOURCE knob, select ADVANCED MENU and press SOURCE.

3. Turn the SOURCE knob, select AUDIO SETTINGS and press SOURCE.

4. Turn the SOURCE knob, select MID EQ LEVEL and press SOURCE.

5. Turn the SOURCE knob, select the desired level and press SOURCE.

6. Press EXIT.

Selecting a sound source
The sound source (e.g. AM, FM, etc.) can be selected in two ways:
• Use the sound source buttons (see the center illustration above).
• Turn the SOURCE knob (see illustration above) to select a sound source (AM1, AM2, FM1, FM2, FM3, or CD). Press the knob to select the AM or FM band of your choice.

The sound source selected will be shown in the display.

pg. 175 Radio functions HU-650/HU-850


Scan
Press the SCAN button to start the station scan function. When a station is found, scanning stops for approximately 10 seconds, after which scanning will continue.
Press the SCAN or SOURCE button when a station has been found if you would like to listen to that station and to discontinue the scan function.

Station seek up/down
Press to start the seek function. The radio seeks the next audible station and tunes it in. Repeat the procedure to continue the seek function.

Manual station search
Press and hold it down. MAN will be shown in the display. The radio scans slowly in the selected direction and will increase the scanning speed after a few seconds. Release the button when the desired frequency appears in the display.
The frequency can be fine-tuned by short presses on the keys.
The system will remain in manual search mode for 5 seconds after the button is released, after which it will return to seek mode.

Steering wheel key pad (option)
If the vehicle is equipped with the key pad in the steering wheel press the right or left arrow to switch between preset stations.

pg. 176 Radio functions HU-650/HU-850


Storing stations
To store a selected station under one of the station setting buttons 1-6:
1. Tune to the desired station.
2. Press the button under which the station is to be stored and keep it depressed. The audio system sound will be interrupted for a few seconds and STORED will appear in the display. The station is now stored.

A total of 30 stations can be stored; 6 stations each in AM1, AM2, FM1, FM2, and FM3.

Storing stations automatically
This function automatically searches for and stores up to 10 strong AM or FM stations in a separate memory. If more than ten stations are found, the ten strongest ones are stored. This function is especially useful in areas in which you are not familiar with radio stations or their frequencies.

To use the AUTO function:
1. Select radio mode using the AM or FM buttons, or by turning the SOURCE knob.
2. Start the search by pressing AUTO for more than 2 seconds.
3. AUTO appears in the display and a number of stations with strong signals (max. 10) from the selected frequency band will be stored in the auto-store memory. If there are no stations with sufficient signal strength, NO STATION is displayed.

4. Press the AUTO button or the arrow keys on the optional steering wheel controls briefly to select the stored stations.
When the radio is in auto-store mode, AUTO is shown in the display. AUTO disappears when you return to the normal radio mode.
Return to the normal radio mode by pressing the AM, FM, or EXIT button.

To return to the Auto-store mode, press the AUTO button briefly.



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