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AUDIO UNIT [WITHOUT CENTER DISPLAY]

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2016 – MX-5 – Body and Accessories

AUDIO UNIT [WITHOUT CENTER DISPLAY]

NOTE:

  • iPod is a registered trademark of Apple Inc.

Purpose

  • The audio unit controls the entertainment system-related parts.

Function

Display function

  • Displays audio information such as radio and CD related information in the audio unit display.

Memory function

  • The audio unit stores the following information.

    • DTC

    • Radio frequencies stored in preset

    • Sound quality settings

      • ALC (auto volume adjustment)

      • BASS (low range adjustment)

      • TREB (high range adjustment)

      • FADE (front/back volume adjustment)

      • BAL (left/right volume adjustment

      • BEEP (operation sound setting)

      • BT SETUP

    • Clock setting

      • 12Hr/24Hr (time display setting)

    • Volume setting

NOTE:

  • The sound quality, clock, and volume settings stored in the audio unit are erased if the battery cables are disconnected.

ALC (auto level control) function

  • Compensates for the passengers’ sense of a lack of audio volume which occurs as a result of external noise while driving.

Sound quality/Hour display set function

  • When the MENU button on the audio unit is pressed, the audio unit switches to the sound quality mode. After the mode is switched to the sound quality mode, the sound quality can be adjusted and the time display can be switched between 12-Hr and 24-Hr clock time by rotating the TPOWER/VOLUME button.

Mode

Direction in which POWER/VOLUME button is rotated

Left

Right

ALC (auto volume adjustment)

Volume change low

Volume change high

BASS (low range adjustment)

Low bass range

High bass range

TREB (high range adjustment)

Low treble range

High treble range

FADE (front/back volume adjustment)

Rear speaker low volume

Front speaker low volume

BAL (left/right volume adjustment

Right speaker low volume

Left speaker low volume

BEEP (operation sound setting)

BEEP sound off

BEEP sound on

BT SETUP

Select mode

12Hr/24Hr (time display setting)

12 Hr display (flashes)

24 Hr display (flashes)

On-board diagnostic function

Diagnostic assist function

Specification

Item

Specification

Rated voltage

(V)

12

Frequency range

AM

(kHz)

530???1710

FM

(MHz)

87.75???107.9

Amplifier maximum output

(W)

25×4

Output impedance

(ohm)

4

Construction

Input/output signal table

Audio unit

TERMINAL

Signal

1A

Door speaker/tweeter LH (+)

1B

B+

1C

Door speaker/tweeter LH (-)

1D

Door speaker/tweeter RH (+)

1E

TNS (Parking Lights) signal input

1F

Door speaker/tweeter RH (-)

1G

Illumination power supply (-)

1H

???

1I

Vehicle speed signal input

1J

???

1K

???

1L

Dimmer cancel

1M

???

1N

Steering switch1

1O

Local MS-CAN_H

1P

Steering switch2

1Q

Local MS-CAN_L

1R

ACC

1S

Driver-side headrest speaker LH (+)*1

1T

???

1U

Driver-side headrest speaker LH (-)*1

1V

Driver-side headrest speaker RH (+)*1

1W

Ground

1X

Driver-side headrest speaker RH (-)*1

2A

TEL (+)*1

2B

TEL (-)*1

2C

Bluetooth® audio input LH (+)*1

2D

Bluetooth® audio input LH/RH (-)*1

2E

Bluetooth® audio input RH (+)*1

2F

???

2G

???

2H

???

2I

AUX audio input LH (+)

2J

AUX audio input LH/RH (-)

2K

AUX audio input RH (+)

2L

AUX connection detection

2M

CD audio input LH (+)

2N

CD audio input LH (-)

2O

CD audio input RH (+)

2P

CD audio input RH (-)

2Q

???

2R

???

2S

???

2T

???

2U

???

2V

???

2W

???

2X

???

3A

USB power supply ground

3B

USB data (+)

3C

USB power supply

3D

USB data (-)

*1
With Bluetooth® unit

Antenna feeder connector

TERMINAL

Signal

4A

Antenna amplifier power supply

4B

Radio input

4B’

Ground

Button position

No.

Button name

Function

1

Preset button 1/:00 button

  • Switches to radio station programmed in Preset 1.

  • Seconds can be reset when time adjustment mode is launched.

2

Preset button 2

Switches to radio station programmed in Preset 2.

3

Preset button 3

Switches to radio station programmed in Preset 3.

4

TUNE button (down)

  • Changes CD tracks or switches radio stations.

  • Hours can be adjusted while time adjustment mode is launched.

5

TUNE button (up)

  • Changes CD tracks or switches radio stations.

  • Minutes can be adjusted while time adjustment mode is launched.

6

FM/AM/CLOCK button

  • Switches to radio mode.

  • Switches to clock adjustment mode. (When pressed continuously for 1.5 s or more)

7

MEDIA/SCAN button

  • Switches the mode.

  • Search and selection of receivable radio station is possible.

8

Preset button 4

Switches to radio station programmed in Preset 4.

9

Preset button 5

Switches to radio station programmed in Preset 5.

10

Preset button 6

Switches to radio station programmed in Preset 6.

11

POWER/VOLUME button

  • Audio power on/off and volume adjustment are possible.

  • Audio sound quality can be adjusted.

12

MENU button

  • Switches to sound quality adjustment mode. The display switches in the following order.

    • ALC ??? BASS ??? TREB ??? FADE ??? BAL ??? BEEP ??? BT SETUP ??? 12Hr< >24Hr

13

AUTO-M button

Stores up to six receivable stations.

14

FOLDER button (down)

Selects folder to be played.

15

FOLDER button (up)

Selects folder to be played.

Operation

ALC (auto level control) operation

  • The audio unit automatically changes the volume and audio quality based on the vehicle speed signal received from the instrument cluster.

  • The ALC function is divided into 7 levels. When the level is in the high range, the volume correction range and correction amount are large. The maximum correction amount is 14dB. The ALC function can be stopped by selecting ALC OFF.

Fail-safe

  • Not applicable

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© 2014 Mazda North American Operations, U.S.A.