Aura AMD-772DSP User manual

OWNER’S MANUAL
AMD-772DSP
WARNING!
PLEASE READ CAREFULLY BEFORE USING
CAR BLUETOOTH / USB RECEIVER

is a registered trademark. All rights reserved. This
document in whole or in part may not be reproduced or copied without
the prior written permission of the manufacturer.
All brand and product names used in this document are trademarks or
registered trademarks of their respective companies.
Trademarks and product names are used for editorial purposes only
and for the benefit of such companies only.
The manufacturer does not accept any responsibility for the use of this
manual and decisions based on its use.
In order to improve product quality, product specifications and
features are subject to change without notice.
Waste electrical equipment should not be disposed of with your other
household waste. Please recycle it. Please contact your local authority
for the required information.
The Directive WEEE 2012/19/EU on waste electrical and electronic
equipment.
1
Copyrights
All illustrations in this manual are schematic images of objects and may differ
slightly from their real appearance.
Product service life - 3 years.

2
Content
Precautions...........................................................................................
Package bundle and installation...........................................................
Connection............................................................................................
Appearance, control elements..............................................................
Overall size............................................................................................
Remote control......................................................................................
Main functions.......................................................................................
Settings.................................................................................................
Radio.....................................................................................................
USB.......................................................................................................
Bluetooth...............................................................................................
Phone app.............................................................................................
Technical features..................................................................................
3
4
5
6
7
7
9
9
13
14
15
16
18

This user manual contains important safety advice and information on the correct
use of the device. Please follow all instructions in this manual carefully.
5. Do not disassemble the device yourself. This may void the warranty.
2. Make sure that the device and especially its installation accessories are out of
the reach of children.
3. Do not drop the device and make sure do not hit it, as this may damage it.
7. Avoid contact with liquids.
6. Do not use alcohol, solvents or gasoline for cleaning plastic parts and device.
Use only dry soft cloth for cleaning.
8. The product is designed for use with 12-volt negative-grounded electrical
systems only. Using the device on systems with a positive ground and / or
voltage other than 12 volts may damage the vehicle and the device.
4. The manufacturer will not be held liable for any loss of data caused by device
damage, repairs or any other reason.
1. While installing the device, avoid places with high temperature, humidity, or
dusty places.
3
Precautions

4
Open the package and make sure that inside include:
1. USB-receiver - 1piece
2. Remote control - 1 piece
3. Keys for receiver remove - 2 pieces
4. ISO - jack- 1 piece
5. Instruction
6. Guarantee
1DIN hole
If the car has a standard 1DIN hole for installing the head unit, use it as
described below.
Package bundle and installation
3. Check electrical connections, ISO connector or individual wires (depending
on the equipment of the specific car model).
If necessary, use ISO adapters brand
1. Install the mounting cover into the 1DIN hole provided by the manufacturer. If
the standard place has a 2DIN size, use adapter frames and adapters
brand
2. Use a screwdriver to pry out the metal tabs on the mounting cover to lock it
in place.
5. Insert the device into the mounting cover and slide it inward until it clicks into
place.
4. Connect the ISO connector to the device. And check the functionality of the
system before fixing it in the mounting box.

ÂÍÈÌÀÍÈÅ
НЕ ОТКРЫВАТЬ
5
SUB FL RL
SUB FR RR
ANT
MIC SWC
15 A
B4 Right channel - (gray-black)
Front speakers
B3 Right channel + (gray)
B6 Left channel - (white-black)
B5 Left channel + (white)
B7 Left channel + (green)
Rear speakers
B2 Right channel - (purple-black)
B8 Left channel - (green-black)
B1 Right channel + (purple)
SWC - steering wheel control wired adapter input
(not included)
ANT - radio antenna connection input
(not included)
MIC - external microphone input (not included)
RED
ACC +12V
BLUE
control
wire
+12V
YELLOW
constant
power
+12V
BLACK
ground
MINUS
fuse
Connection
To avoid increased current consumption and unstable operation of the receiver, do not connect
the red wire (A5) to a constant +12 volt!
1. Make sure that the on-board voltage of your vehicle is +12 volts
4. Connect the red wire (A7) to the ACC terminal of the ignition switch.
6. Blue wire (A5) - connect to the amplifier's remote turn-on input or the antenna motor control
input
2. Remove the fuse from the device before connecting the wires.
5. Connect the black wire (A8) to the metal part of the car body.
Note: Each time the yellow wire is disconnected from the 12 volt power circuit or the battery
terminal is removed, the device will revert to factory settings.
3. Connect the yellow (A4) wire to the +12 Volt DC power circuit.
7. Connect the rest of the wires according to the diagram.
Mode 2 WAY (standard)
SUB - RCA subwoofer
FL - RCA front (left)
FR - RCA front (right)
RL - RCA rear (left)
RR - RCA rear (right)
Mode 3 WAY (network)
SUB - RCA subwoofer
FL - RCA mid-range speaker (left)
FR - RCA mid-range speaker (right)
RL - RCA tweeter (left)
RR - RCA tweeter (right)
Connecting RCA wires

6
1. Turn on / off the device / Select source
2. Adjust volume / Switch settings / Confirm selection
3. LCD display
4. IR receiver
5. Reset device to factory settings (RST)
6. USB connector
7. Microphone
8. Switching radio bands / Receiving / ending a call / Voice assistant
9. Muting the sound (Mute)
10. Return / Search
11. Preset button 1 / Next folder
12. Preset button 2 / Previous folder
13. Preset button 3 / Repeat mode
14. Previous track / Rewind / Radio tuning
15. Next track / Fast forward / Radio tuning
16. Preset button 4 / Shuffle mode
17. Preset button 5 / Pause
18. Preset button 6 / Track scan mode
19. Type of information on the display / Turn off the display
20. AUX input
1
5
47
3
6
2
8
9
10
11
12 13
14
15
16
17
18
19
20
Control elements

7
1
2
3
102.5MM
43.5MM
172MM
192MM
97MM
120MM
100MM
Overall sizes
Removing the battery protection (CR-2025).
Remote control supplied with battery protection.
The remote control will not work
until the protection is removed.
Battery replacement:
1. When the lithium battery has lost capacity,
replace it as shown in the figure.
2. Press and hold the release latch in the
direction of arrow 1.
At the same time, pull the compartment out
of the remote control in the direction of arrow 2.
3. Replace the old battery with a new one.
Observe polarity! Make sure the (+) is on top!
4. Insert the battery holder into the remote control.
Remote control

8
2
1. Turn on/ off the device
2. Volume control
3. Switching radio bands
/ answer call
4. Previous track / Rewind
/ Radio setup
5. Source selection
6. Next track / Fast forward
/ Radio setup
7. Mute mode
8. End call / Clock
9. Preset 1 button / Pause
10. Preset 2 button
/ Track scanning mode
11. Preset 3 button / Repeat mode
12. Preset 4 button / Shuffle mode
13. Preset 5 button
/ Skip back 10 tracks
14. Preset 6 button
/ Skip forward 10 tracks
15. Radio reception mode (mono / stereo)
16. Loudness (LOUD)
17. Scanning stations in memory / Automatic search and storage of stations (AMS)
18. Source selection
19. Selecting a preset equalizer
20. Attenuation of the tuner sensitivity (LOC)
Remote control
Using the remote control (RC):
• Place the emitting window of the remote control in the direction of the sensor
window on the device.
• The working angle for receiving remote control signals is about 30 degrees.
• Distance between the emitting window of the remote control and the touch
window of the device should be less than 5 meters.
• A depleted battery can damage the remote control.
• Keep batteries out of the reach of children!

9
Q-factor - Q-factor setting
Setting the value of the quality factor (quality factor).
Values: 1 / 1.5 / 2.5 / 3.5.
IMPORTANT! Before entering the AUDIO menu while the AUDIO section name is
displayed on the Screen, press and hold the volume knob button (2) to select
the 2-way or 3-way crossover configuration mode:
2 WAY (normal ) or 3 WAY (network).
Preset EQ - pre-set equalizer.
Values: Custom / Natural / Rock / Pop / Easy / Top 40
Bass boost
Turns on and adjusts the bass boost (5 levels).
Manual EQ (Equalizer) - equalizer setting
Manual setting of 25 band equalizer (from -9 dB to +9 dB).
Tuning is possible at frequencies: 32 / 45 / 63 / 100 / 125 / 160 / 250 / 315 /
400 / 500 / 630 / 800 / 1 / 1.25 / 1.6 / 2.5 / 3.15 / 4/5 / 6.3 / 8/10 / 12.5 / 16 / 20.
Loudness
Turn on and adjust loudness (2 levels).
AUDIO - sound settings
Volume control
Rotate the volume knob (3) to set the desired level.
ON / OFF Power
Press any button to turn on the device.
Press and hold the button (1) /SRC, to turn on the device.
Source selection
Press the (1) / SRC button to switch between sources
playback: Radio -> USB -> AUX in -> Bluetooth.
Press the button (9)
Mute mode
Settings menu
Press the volume knob button (3) and rotate to select
desired setting section: AUDIO (sound settings), DISPLAY
(display settings), TUNER (radio settings), CLOCK (clock), BEEP (button sound),
ANIMATION (display animation), DEMO MODE (demo mode).
Press the volume knob (3) to select the desired section.
Main functions

10
Balance
Adjusts the relative volume between left and right channels.
X-over
Setting low and high pass filters (LPF and HPF). The settings for this menu item
will be different for 2-WAY / 3-WAY!
Subwoofer set
Turns on / off the subwoofer.
Fader
Adjusts the relative volume between front and rear speakers.
Sub-W level
Adjusts the volume level of the subwoofer (from -13 dB to +13 dB).
Sub-W stereo
Switching the operating mode of the RCA outputs of the subwoofer (Mono / Stereo).
AUDIO - sound settings
Tweeter - treble setting
FRQ (FREQUENCY) - Frequency selection: 1 / 1.6 / 2.5 / 4/5 / 6.3 / 8/10 / 12.5 kHz.
GAIN LEFT - volume level (left channel), from -8 to 0 dB.
GAIN RIGHT - volume level (right channel), from -8 to 0 dB.
Front HPF - setting the HPF of the front speakers
F-HPF FRQ - Cutoff frequency: TROUGH (off) / 30 / 40 / 50 / 60 / 70 / 80 / 90 /
100 / 120 / 150 / 180 / 220 / 250 Hz.
F-HPF SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
F-HPF GAIN - volume level, from -8 dB to 0 dB.
Rear HPF - setting the HPF of the rear speakers
R-HPF FRQ - Cutoff frequency: TROUGH (off) / 30 / 40 / 50 / 60 / 70 / 80 / 90 /
100 / 120 / 150 / 180 / 220 / 250 Hz.
R-HPF SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
R-HPF GAIN - volume level, from -8 dB to 0 dB.
Subwoofer LPF - setting the LPF and subwoofer phase.
SW LPF FRQ - Cutoff frequency: TROUGH (off) / 30 / 40 / 50 / 60 / 70 / 80 / 90 /
100 / 120 / 150 / 180 / 220 / 250 / 300 / 400 / 500 / 600 / 700 / 800 Hz.
SW LPF PHASE - electrical phase changeover: 0 ° / 180 °
SW LPF GAIN - volume level, from -8 dB to 0 dB.
SW LPF SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
2-WAY (Standard)

3-WAY (Network)
Tweeter - setting the HPF for the tweeters.
HP FRQ - Cutoff frequency: 1 / 1.6 / 2.5 / 4/5 / 6.3 / 8/10 / 12.5 kHz.
SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
PHASE - electrical phase switching: 0 ° / 180 °
GAIN (HF LEVEL) - the volume level of the HF speakers, from -8 dB to 0 dB.
Mid range - setting the HPF and LPF of the midrange
HPF FRQ - HPF cutoff frequency (HPF): THROUGH (off) / 30 / 40 / 50 / 60 /
70 / 80 / 90 / 100 / 120 / 150 / 180 / 220 / 250 Hz.
HPF SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
LPF FRQ - Cutoff frequency: THROUGH (off) 1 / 1.6 / 2.5 / 4 / 5 / 6.3 / 8 /
10 / 12.5 kHz.
PHASE - electrical phase switching: 0 ° / 180 °
LPF SLOPE - LPF slope: 6 / 12 / 18 / 24 dB per octave.
GAIN (MF LEVEL) - volume level of midrange speakers, from -8 dB to 0 dB.
Woofer - setting low-pass filter (LPF) and subwoofer phase
LPF FRQ - Cutoff frequency: THROUGH (off) / 30 / 40 / 50 / 60 / 70 / 80 / 90 /
100 / 120 / 150 / 180 / 220 / 250 / 300 / 400 / 500 / 600 / 700 / 800Hz.
SLOPE - Slope: 6 / 12 / 18 / 24 dB per octave.
PHASE (SAB PHASE) - switching the electrical phase: 0 ° / 180 °
GAIN - subwoofer volume level, from -8 dB to 0 dB.
11
DTA setting
Channel-by-channel setting of signal time delays.
The settings for this menu item will be different for 2-WAY / 3-WAY!
2-WAY (Standard)
Position - choice of listening position.
All / Front Left / Front Right / Front All.
Delay - value for each channel.
FL (FRONT LEFT) - front left
FR (FRONT RIGHT) - front right
RL (REAR LEFT) - rear left
RR (REAR RIGHT) - rear right
SUB-L - subwoofer left
SUB-R (SUB. RIGHT) - subwoofer right
AUDIO - sound settings

12
Position - choice of listening position.
All / Front Left / Front Right / Front All
Delay - value for each channel.
FL - MF / LF left | FR - MF / LF right | RL - HF left | RR - HF Right
SUB-L - left subwoofer | SUB-R - right subwoofer.
Delay unit - selection of the unit of measurement.
Centimeters or milliseconds.
Data reset - reset settings.
Car type - choice of car type.
Sedan / Wagon / Minivan.
Color select - adjusts the RGB backlight color.
Spectrum - frequency spectrum display, incl. / off.
Language - select the language for the menu display.
Version - view the current software version.
Dimmer - dimming settings.
Volume limit - select the maximum possible volume level (3 - 40 units).
Turn on vol. - selection of the volume level value when the receiver is
turned on (3 - 40 units).
DISPLAY - display settings
TUNER - radio settings
Local seek - local search incl. on / off.
Mono set - mono mode, on. / off.
Regional - select the broadcasting region (Europe, USA, Asia, Russia).
RDS - activate the text messaging system.
Gain - volume value of each channel
FL - front left / FR - front right / RL - rear left
RR - rear right / SUB-L - subwoofer left / SUB-R - subwoofer right.
Delay unit - selection of the unit of measurement.
Centimeters or milliseconds.
Data reset - reset settings.
AUDIO - sound settings
3-WAY (Network)

13
Radio
Saving and recalling radio stations
Press and hold one of the number buttons (1-6) to store the current radio station.
Press one of the number buttons (1-6) to recall the current radio station.
It is possible to store 6 radio stations in each broadcasting range.
TA - traffic announcements. *
AF - moves to steadier frequencies. *
EON - auto switch to traffic announcement channels. *
Radio text - displays text information.
PI regional - displays the station name.
PTY search - searches by program type. *
*the function is not supported in Russia.
Clock format - select the display format (12/24 hours).
Clock adjust - set hours / minutes.
Data format - select the date display format.
Data set - sets the date values.
Time sync - synchronization of exact time by RDS.
Clock - clock settings
Turns sound on / off when buttons are pressed.
Beep - buttons sound
Enabling and adjusting the delay interval before the animation plays
on the device display: No / 15 / 30 sec. / 1 / 2 / 4 min.
Animation - animation on the main screen
Enable / disable demo mode.
Demo mode
Bluetooth
PIN-code edit - changing the PIN-code for BT pairing.
MIC gain - adjustment of the microphone level BT.
Yes - set for the machine with the ACC position.
No - install for machine without ACC position.
Car ACC - selection of the type of ignition lock

USB
Connect a USB storage device to the connector on the front of the device.
Supported file formats will start playing automatically.
The USB connector supports charging mobile devices. Charging current - 1A.
14
Switching tracks
Press the button (14) or (15) to skip to the previous or next track.
Rewind
Press and hold the button (14) or (15) to rewind or fast forward.
Play / Pause
Press the button (17) to stop playback.
Press again to resume playback.
Track scanning
Press the INT button (18) to play 10 seconds of each track in sequence.
Click again to stop scanning.
Repeat mode
Press the button (13) to select the repeat play mode:
Repeat folder - Repeats playback of all files in the current folder.
Repeat one (repeat track) - Repeat playback of the current file.
Repeat all - Repeat playback of all files on the media.
Random play mode
Press the button (16) to turn on the random play mode.Press again to disconnect.
Manual station search
Press button (14) or (15) to change the frequency step by step.
Hold down the (14) or (15) button to enter the automatic tuning mode.
Automatic station search
Press the button (14) or (15) to quickly search for stations.
Search and store stations automatically
Press and hold the SEARCH button (10) for more than 2 seconds.
The unit will quickly search for and automatically store 18 FM and 12 AM
radio stations with strong signals.
Range selection
Press the (8) BAND button to select the broadcasting range of radio stations:
FM1, FM2, FM3 (VHF), AM1, AM2.

15
Outcoming call
Dial the subscriber's number on your phone.
The call will be made through the speakerphone.
Incoming call
When an incoming call arrives, the caller's number will be displayed on
the receiver's screen.
Press the button (8) to receive the speakerphone call.
End call
To reject an incoming call or end a conversation, press and
hold the button (8) .
Switch between phone and speakerphone
During a call, press the button (8) to transfer the audio signal from the
speakerphone to your phone or from the phone to the speakerphone.
Calling the last dialed number
Press and hold the button (8) on the receiver to call the last number in the list
of outgoing calls on your phone.
Press the button (8) on the receiver to activate the Siri function.
Volume control
Rotate the volume knob during a call to adjust the volume level.
Press the button (9) to mute the sound.
Pairing with your phone
Pair your phone with the AMH-772DSP receiver:
1. Turn on Bluetooth on your mobile device.
2. Find “AMH-772DSP” in the list of available BT devices and connect to it.
PIN-code for authorization: 1234.
3. In case of successful connection, the “BT” indicator on the display of the receiver
will stop blinking and will light up constantly.
4. The audio signal from the mobile device (music and calls) will be transmitted
to the car speakers.
BLUETOOTH
Switching folders and tracks
Press the (12) or (11) button to switch to the previous or next source folder.
Press and hold the (12) or (11) button to skip 10 tracks backward or forward.

16
AUX
You can connect an external source to the 3.5mm jack on the front of the receiver
using the AurA AUX cable (optional).
Reset settings
Press and hold for 10 seconds. the (5) RST button to reset the device
to factory settings.
Phone App
Most of the device settings are available in the AurA mobile application
for Android or IOS.
You can control the AMH-772DSP receiver from your smartphone:
1. Install the AurA app from Google Play or App Store.
2. Connect your smartphone to the receiver via Bluetooth.
3. Launch the AurA app to control the receiver.
24-band equalizer
Bluetooth music (A2DP)
The AMH-772DSP receiver supports the Bluetooth A2DP audio transmission protocol.
After successfully pairing your mobile device with the receiver, you can
play music from your phone on the car audio system.
To switch tracks, press buttons (14) or (15) .
To stop playback, press the button (17) .
Software (firmware) update
We are pleased to offer the option of firmware upgrades to ensure the best
performance and the latest features for your device.Please check for a new version
of the software on the website www.aurael.ru

17
Phone App
3-band
crossover
Time delays
RGB
lights

18
4 x 51 W (4 Ohm)
4 - 8 Ohm
6-channel (3 pairs)
vertical ± 30 °, horizontal ± 15 °
3.5V
0 ° C to + 60 ° C
from 45% to 80%
USB
FLAC, WAV, APE, AAC, Mp3
4 x 16 W (4 ohms)
178 x 108 x 50 mm
15 A
15 A
12 V (allowable range 9.6 - 15 V)
20 Hz - 20 kHz
one (front, 3.5mm)
USB 2.0, USB 3.0, up to 64Gb
4.2
2.4 GHz
65 - 74 Mhz
500 mV (max 2 V)
24 bands, 45 -20000 Hz
522 - 1620 kHz
FAT16, FAT32
87.5 - 108.0 MHz
English language, Russian language
A2DP, AVRCP, HFP
gain from -9 dB to +9 dB, step 0.1 dB
0/180 °
75 Ohm
0-25 ms, 0-850 cm
30-12500 Hz, 6-24 dB / oct.
18 FM, 12 AM
Speaker Impedance:
Frequency Response Range:
Line Out (RCA):
Humidity (working):
Temperature (working):
File system:
USB stick:
Id3 Tag Support:
Maximum output power:
Bluetooth
Rated output power:
Working supply voltage:
Maximum current consumption:
Audio signal input (AUX, stereo):
Version:
Frequency:
Supported formats:
Profiles:
Fuse:
USB
Supported media:
Display viewing angle:
RCA Output Level:
Dimensions (W x H x D):
Main
Equalizer
DSP:
Received frequency range AM:
Radio receiver FM (VHF), AM
Tuning memory for radio stations:
Phase reversal
FM frequency range:
VHF frequency range:
Antenna impedance:
Audio signal input AUX IN
Audio input level:
Crossover
Time delays
TECHNICAL FEATURES

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Due to continuous product development and improvement, all specifications