Nakamichi Nq723bd Digital Media Receiver User Manual (+ PDF)

This product is designed specifically for use with 12 volts, negative ground electrical systems only.
Having the wiring and installation done by an expert.
Be sure to disconnect the cable from the negative battery terminal while installation.
This apparatus shall not be exposed to dripping or splashing, and no object filled with liquids shall be placed on the apparatus.
Fuses shall be replaced only with the correct type and fuse value, and only when the apparatus is powered off.
To prevent a short circuit, never put or leave any metallic objects (such as coins or metallic tools) inside the unit.
Never set the volume of this product so high that you cannot hear outside traffic and emergency vehicles.

PRODUCT FEATURES

Panel
LCD
Key Light
Bluetooth
Bluetooth Music
DSP
EQ
Pre—Output
Max Power
Digital Output
DRC
Xbass
Xover
3D Surround
Time alignment
Q Value
Subwoofer Control
Playback Interface
Phase
Listening bit setting
Slope
PAC™ —SWI
Remote
Microphone
Radio
APP Control
Charge
Audio Format

Detachable
2-Line VA-LCD
Multi Color
Version 5.0
Support
Built-in
40 band,8 Preset
6CH x 4V
4 x 50 W
Optical
Support
Support
Support
Support
0-20 ms
1-20
Support
TF&USB
0° —180°
Support
0dB—24dB
Support
Support
Built-in and External
Preset 18FM,12AM, RDS
iOS and Android Phone
Front USB 1A, Rear USB 2A
MP3,WMA,AAC,FLAC,APE

ACCESSORY LIST

Please check the following accessories after opening the package:

DIMENSION (UNIT: MM)

WIRING DIAGRAM

BASIC FUNCTIONS OF PANEL KEYS

To	Radio status	USB/TF/BT MUSIC Status
	Seek a station manually	Previous/Next track
1	Preset 1	Playback/Pause
INT 2	Preset 2	Intro Playback
3 RET	Preset 3	Repeat Playback
ROM 4	Preset 4	Random Playback
5 6	Preset5/Preset 6	Previous/Next folder
/BND	Band select
	Press to mute, press and hold to power off
	Press to turn on voice, Press and hold to auto memory
/MOD	Press to select a source/Answer call Press and hold to last call

REMOTE OPERATION

Basic Operołion

To	Operation (panel)
Power on	Press any button
Power off	Press and hold /
Mute	Press /
Volume up and down	Turn the knob
Source select	Press /MOD
Menu	Press the knob
Return	Press /BND (in menu status)
Turn on voice	Press (Bluetooth is connected)

RADIO OPERATION

Stort Listening

To	Operation (panel)	Remark
Auto memory	Press and hold	18 FM / 12AM
Band selection	Press /BND	FM1/FM2/FM3/AM1/AM2
Seeka station manually	Press
Search the next or previous frequency step by step	Press and hold
Store a station	Press and hold 1-6

TUNER SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [TUNER], then press the knob.

Turner Settings List

Menu	Adjustment
TUNER	STEREO/MONO	NEWS/AFFAIRS/INFO/SPORT EDUCATE/DRAMA/CULTURE SCIENCE/VARIED/POP M/ROCK MEASY M/LIGHT M/CLASSICS OTHER M/WEATHER/FINANCE CHILDREN/SOCIAL/RELIGION PHONE IN/TRAVEL/LEISURE JAZZ/COUNTRY/NATION M OLDIES/FOLK M/DOCUMENT
	DX/LOCAL
	REGIONAL EUROPE/USA/ASIA/RUSSIzr
	RDS OFF/ON
	TA OFF/ON AF ON/OFF EON OFF/ON PTY OFF/ON

Stereo/Mono Select

Turn the knob to select [STEREO or MONO], then turn the knob select [STEREO/MONO].

DX/Local Select

Turn the knob to select [LOC or DX], then turn the knob select [DX /LOCAL].
Remark: DX: Distant exchange

Tuner Area Select

Turn the knob to select [REGIONAL], then turn the knob to select [ASIA/OIRT/EUR/USA].

RDS ON/OFF

Turn the knob to select [RDS OFF], then turn the knob to select [RDS OFF, ON].

USB&SD PLAYBACK

To	Operation (panel)
Track selection Fast playback	Press Press and hold
Playback/Pause	Press 1/
Track pre-play	Press INT 2
Repeat playback	Press 3 RPT • REPEAT ONE. REPEAT DIR. REPEAT ALL
Random playback	Press RDM 4 • ON/OFF
Folder selection	Press 5 6

SUPPORTED AUDIO PLAYBACK LIST

Audio	Stream	Sampling Rote	Remark
MP3	32kbps-384kbps	8/11.025/12/16/22.05 24/32/44.1/48KHz	MPEG1/2/2.5 Layer II&III
WMA	0kbps—320kbps	8/11.025/12/16/22.05 24/32/44.1/48KHz	WMA standard 4/4/1/7/8/9.1
APE	all bitrates allowed	8/16/22.05/24/32 44.1/48KHz	PCM Bit width 8/12/16/24bits
FLAC	all bitrates allowed	8/16/22.05/24/32 44.1/48/96KHz	PCM Bit width 8/12/16/24bits
AAc	all bitrates allowed	8/11.025/12/16/22.05 24/32/44.1/48KHz	MPEG2/4 AAC LC profile
M4A	all bitrates allowed	8/11.025/12/16/22.05 24/32/44.1/48KHz	ISO/IEC 1449-3 Amd 1:2003
wAv	32kbps-384kbps	8/11.025/12/16/22.05 24/32/44.1/48KHz	4 bit ADPCM only

SUPPORTED DEVICES

Device	Maximum capacity	Device format
USB	256GB	FAT16/FAT32/exFAT
Micro SD/TF	256GB	FAT16/FAT32/exFAT

BLUETOOTH OPERATION

Bluetooth Pairing

The first time pair a mobile phone with the receiver, please follow below steps:

When there is no pairing, in any mode, the BT1 on the LCD will flash, and the pairing can be performed at this time.
Turn on the phone’s Bluetooth to Search NQ723BD.
Click on the NQ723BD on the phone to connect. After the connection is successful, the BT1 will stop flashing.
When pairing is complete, the mobile phone audio will automatically transfer to the car audio system whenever a call is made or received, or when the mobile phone plays music.

Note:
For more details of Bluetooth pairing, please refer to the owner’s manual for your mobile phone.

Bluetooth Basic Operation

To	Operation (panel)
Make a call	Bluetooth mobile phone connected
Answera call	Press /MOD
Reject an incoming call	Press an hold /MOD
Switch between the current caller and a caller on hold	Press /MOD (In a call)
End a call	Press an hold /MOD (In a call)
Adjust call volume	Turn on the knob

Bluetooth Music Operation

To	Operation (panel)
Previous track	Press
Next track	Press
Playback/Pause	Press 1/

AUX INPUT

Connecta portable audio player (commercially available)
Auxiliary input jack
Auxiliary input jack
3.5mm stereo mini-plug with “L” shaped connector.
(commercially available).
Press [ /MOD]buttons to select AUX IN.
Turn on the portable audio player and start playback.

EXTERNAL MICROPHONE

Note:
Since the panel microphone is far from the driver’s position, when using an external microphone, you can get better voice calls.

AUDIO SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [AUDIO], then press the knob.

Audio Settings List

Menu	Adjustment
SW LEVEL	SVOL-8∼+8
PRESET EQ	USER/NATURAL/POP/CLASSIC/ROCK/JAZZ/FLAT/SUPER BASS
PRESET EQ	30Hz/60Hz/80Hz/100Hz/120Hz/160Hz/250Hz/400Hz 600Hz/ 800Hz/1 KHz/1.5KHz/2KHz/ 2.5KHz/3KHz/3.5K/4K 4.5K/5K/5.5K/ 6K/6.5K/7K/7.5K/8K/8.5K/9K/9.5K/10K/11K /12K/ 13K/14K/15K/15.5K/16K/17K/18K/19K/20K
XBASS	FREQ OFF/60Hz/80Hz/120Hz/160Hz/200HZ/300HZ
XBASS	GAIN 0∼10
SURROUND	OFF/ON
DRC	GAIN 0∼5
DRC	SLOPE 0/6dB/12dB/18dB/24dB
LOUD	OFF/ON
BASS	BASS -7 ∼+7
TREBLE	TREBLE -7 ∼+7
BALAN	BALAN L7-L0,0, R1-R7
FADER	FADER R7-R0,0,F1-F7
AUDIO RESET	NO/YES

Subwoofer Volume Adjustment

Turn the knob to select [SW LEVEL], then press the knob.
Turn the knob to adjustment SVOL [ -8 to +8].

Preset EQ Select

Turn the knob to select [PRESET EQ ], then press the knob.
Turn the knob to select [USER/NATURAL/POP/CLASSIC/ROCK/ JAZZ/FLAT/SUPER BASS].

User EQ Setup

Turn the knob to select [PRESET EQ ], then press the knob.
Turn the knob to select [USER], then press the knob.
Turn the knob to select the frequency for adjustment.

X-BASS Adjustment

Turn the knob to select [XBASS], then press the knob.
Turn the knob to adjustment [0-10].

AUDIO SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [AUDIO], then press the knob.

3D Surround Setup

Turn the knob to select [SURROUND], then press the knob.
Turn the knob to select [OFF/ON].

DRC Gain adjustment

Turn the knob to select [DRC], then press the knob.
Turn the knob to select [GAIN], then press the knob.
Turn the knob to adjustment[0-5].

Remark:
DRC: Dynamic range compression.
Can make small signals louder and stronger, and make high-amplitude signals undistorted.

DRC Slope Select

Turn the knob to select [DRC], then press the knob.
Turn the knob to select [SLOP], then press the knob.
Turn the knob to select [0DB/6DB/12DB/24DB].

Loudness Setup

Turn the knob to select [LOUND], then press the knob.
Tum the knob to select [OFF/ON].

Bass Adjustment

Turn the knob to select [BASS], then press the knob.
Turn the knob to adjustment [-7 to +7].

Treble Adjustment

Tum the knob to select [TREBLE], then press the knob.
Turn the knob to select [ -7 to +7].

Balance Adjustment

Turn the knob to select [BALAN], then press the knob.
Turn the knob to select [ L7-L0 toRl-R7].

Fader Adjustment

Turn the knob to select [FADER], then press the knob.
Turn the knob to select [ R7-R0 toFl-F7].

Audio Setup Reset

Turn the knob to select [AUDIO RESET, then press the knob.
Turn the knob to select [NO/YES].

SUBWOOFER XOVER SETUP

Press the knob to enter the [MENU].
Turn the knob to select [X/OVER], then press the knob.
Turn the knob to select [SUB SET], then press the knob.

Subwoofer Xover List

Menu	Adjustment
SUBSET	SW LPF FREQ	OFF/30Hz/60Hz/80Hz/100Hz/120Hz, 150Hz/180Hz/200Hz/250Hz/300Hz
	SW LPF PHASE	NORMAL/REVERSE
	SW LPF GAIN	0-5
	SW LPF SLOPE	0dB/6dB/12dB/18dB/24dB

Subwoofer Frequency Setup

Turn the knob to select [SW LPF FREQ ], then press the knob.
Turn the knob to select frequency [OFF/30Hz/60Hz/80Hz/100Hz/120Hz 150HZ/180HZ/200H/250HZ/300HZ ].

Subwoofer Phose Setup

Turn the knob to select [SW LPF PHASE], then press the knob.
Turn the knob to select [NORMAL/REVERSE].

Subwoofer Goin Setup

Turn the knob to select [SW LPF GAIN], then press the knob.
Turn the knob to select [0-5].

Subwoofer Slope Setup

Turn the knob to select [SW LPF SLOPE], then press the knob.
Turn the knob to select [0dB/6dB/12dB/18dB/24dB].

DTA SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [DTA SET], then press the knob.

DTA Settings List

Menu	Adjustment
CAR TYPE	SMALL/MEDIUM /LARGE
POSITION	USER/FRONT R/FRONT L/CENTER
UNIT	CM/MS/INCH
DISTANCE	FRONT LEFT	FL 0-680CM
	FRONT RIGHT	FR 0-680CM
	REAR LEFT	RL 0-680CM
	REAR RIGHT	RR 0-680CM
	SUBWOOFER	SUB 0-680CM
DTA RST	NO/YES

Cor Type Things

Turn the knob to select [CAR TYPE], then press the knob.
Turn the knob to select [SMALL CAR/MEDIUM CAR/LARGE CAR].

Listening Position Settings

Turn the knob to select [POSITION], then press the knob.
Turn the knob to select [USER/FRONT R/FRONT L/CENTER].

Delay Unit Settings

Turn the knob to select [ DELAY UNIT], then press the knob.
Turn the knob to select [CM/MS/INCH].

DSP Reset

Turn the knob to select [DTA RST], then press the knob.
Turn the knob to select [NO/YES].

TIME ALIGNMENT(DISTANCE)

Press the knob to enter the [MENU].
Turn the knob to select [DTA SET], then press the knob.
Turn the knob to select [DISTANCE], then press the knob.
Turn the knob to select[FRONT LEFT/FRONT RIGHT/FEAR LEFT/FEAR RIGHT/SUBWOOFER] to adjustment.

Determining the value for<Position> adjustment.

Determine the center of the currently set listening position as the reference point.
The adjustable speaker has five directions: front left, front right, back left, back right, and back.
The time for the speakers in the five directions to reach the center is the same by default.
Set the value for each speaker, the delay ranpe: 0-20ms
Adjust the increase or decrease of each speaker, 0.2ms each time.

Example: When <back> is selected as the listening position

CLOCK ANDDATE SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [CLOCK], then press the knob.

Clock And Dote Settings List

Menu	Adjustment
CLK FROM	12H/24H
CLK ADJ	00:00
DATE FRMT	DD—MM—YY/MM—DD—YY
DATE SET	17/07/21

Clock Format Settings

Turn the knob to select [CLK FRMT], then press the knob.
Turn the knob to select [12H/24H].

Clock Adjust

Turn the knob to select [CLK ADJ], then press the knob.
Turn the knob to adjustment.
Press the knob to switch the clock/minute adjustment.

Date Format Settings

Turn the knob to select [DATE FORMAT], then press the knob.
Turn the knob to select [DD-MM-YY/MM-DD-YY].

Date Settings

Turn the knob to select [DATE SET], then press the knob.
Turn the knob to adjustment.
Press the knob to switch day/month/year adjustment.

DISPLAY SETTINGS

Display Settings List

Menu	Adjustment
COLOR SEL	AUTO/RED/GREEN/BLUE/YELLOW/ CYAN/PURPLE/WHITE
SPECTRUM	OFF/ON
ID3 TAG	OFF/ON
VERSION	VER 2.0 DSP

DISPLAY SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [DISPLAY], then press the knob.

Key Light Select

Turn the knob to select [COLOR SEL], then press the knob.
Turn the knob to select a key light color: AUTO/RED/GREEN /BLUE/YELLOW/CYAN/PURPLE/WHITE(Knob Select).

Spectrum ON/OFF

Turn the knob to select [SPECTRUM], then press the knob.
Turn the knob to select [OFF/ON].

ID3 ON/OFF

Turn the knob to select [lD3 TAG], then press the knob.
Turn the knob to select [OFF/ON].

System Version

Turn the knob to select [VERSION], then press the button to query the system version information.

ANIMATION SETTINGS

Press the knob to enter the [MENU].
Turn the knob to select [ANIMATION], then press the knob.
Turn the knob to select [OFF/PER 15SEC/30SEC/1MIN/2MIN/4MIN].

Menu	Adjustment
ANIMATION	OFF/PER 15SEC/30SEC/1 MIN/2MIN/4MIN

DEMO MODE SELECT

Press the knob to enter the [MENU].
Turn the knob to select [DEMO MODE], then press the knob.
Turn the knob to select [OFF/ON].

Menu	Adjustment
DEMO MODE	OFF/ON

APP OPERATION

APP Download

Please go to the APPALE APP Store or Google Play Store and search [Nakamichi AMC] app, after downloading the APP, install it on your AppaIe&Android devices.

APP Connection

Open the [Nakamichi AMC] APP, click [] to search for NQ623BDT.
Click NQ623BDT to connect, the [] will be red after the connect is successful.

APP OPERATION

TROUBLESHOOTING

Not work
Fuse blown
Loose panel contact
Not responding
System problem
No bass
Subwoofer setting level is too small
Can’t turn on voice
Bluetooth is not connected
Phone does not support voice
Not playing
Incorrect device format Device error
Unsupported audio file
Radio reception is poor
Poor contact of radio antenna
Poor signal at location
Remote control is invalid
Remote control battery is low
Bluetooth call is poor
Microphone is too far away

Remedy
Replace the fuse: small 10A(Red)
Take out the panel and reinstallReset the unitEnter AUDIO to set SVOL

Connect Bluetooth
N.A

Reformat
Replacement device
Replace supported audio files

Reconnect the radio antenna
Change to other positions

Replace CR2025 battery

Speak into the microphone

SPEAKER CONNECTION

Do not connect the speaker leads of the power cord to the car battery: otherwise, the unit wil be seriously damaged.
Before oconnecting the speak leads of the power cord to the speakers, check the speaker wiring in your car.

SPECIFICATION

GENERAL	Operating Voltage	14.4V(10.8V allowable)
	Maximum Current	10A
	Operational Temperature	-10° ∼+60 °
	Installation Size(WxHxD)	182mm×53mm×115mm
	Net Weight	0.5kg
	Fuse	Small fuse 10A (Red)