Qls QA-360 User Manual

QA-360 User’s Guide QLS-HiFi

Contents

1.Overview………………………………………………………3

1.1.Product Introduction…………………………………3

1.2.Audio Format……………………………………………3

1.3.Product Feature ………………………………………4

2.Functional Interface………………………………………5

2.1.Player Layout …………………………………………5

2.2.Interface Layout………………………………………7

3.Operating Instructions……………………………………9

3.1.Startup …………………………………………………9

3.2.File Browsing …………………………………………9

3.3.Music Playing …………………………………………9

3.4.CUE Operation …………………………………………9

3.5.Favorites ……………………………………………10

3.6.Song Deleting…………………………………………10

3.7.Volume Operation ……………………………………10

3.8.Key Lock ………………………………………………11

4.Function Settings…………………………………………11

4.1.Playing Mode …………………………………………11

4.2.Playing Range…………………………………………11

4.3.Memory Play/Auto Play………………………………12

4.4.Gap Between Tracks …………………………………12

4.5.Track Name Rolling …………………………………12

4.6.Digital Output ………………………………………12

4.7.Filtering Mode ………………………………………12

4.8.DSD Filtering…………………………………………13

4.9.Volume Lock……………………………………………13

4.10.Volume Intensity……………………………………13

QA-360 User’s Guide QLS-HiFi

4.11.Volume Protection …………………………………13

4.12.Volume Balance………………………………………13

4.13.Cursor Color…………………………………………13

4.14.Main Color……………………………………………13

4.15.Interface Color ……………………………………13

4.16.Interface Style ……………………………………14

4.17.Display Brightness…………………………………14

4.18.Automatic Off-screen………………………………14

4.19.Automatic Shutdown…………………………………14

4.20.Key Reaction Speed…………………………………14

4.21.Charging Switch ……………………………………15

4.22.Language………………………………………………15

4.23.System Information…………………………………15

4.24.Factory Settings Reset……………………………15

5.Firmware Update……………………………………………16
Appendix I.Product Warranty Card ………………………17

Attention: The copyright of this document belongs to our
company, and we reserve the final right of interpretation.
As for the alteration of product design and specification,
further notification will not be issued, please refer to
our website.

QA-360 User’s Guide QLS-HiFi

1.Overview

1.1.Product Introduction

QA360 is a high-fidelity digital audio player with
lossless audio files as the source and the SD card as the
storage medium. The player integrates DAC decoding and
headphone amplifier circuit with the built-in
large-capacity rechargeable lithium polymer battery,
which improves portability. The player is designed with
coaxial output and optical output, acting as an absolute
digital sound source. Connected with different DAC from
the outside, you can enjoy different music styles. Apart
from that, it also has analog signal output which can be
directly connected to amplifier or preamp.

1.2. Audio Format

l WAV : 16/24bit,44.1~192KHz;
l AIFF: 16/24bit,44.1~192KHz;
l FLAC: 16/24bit,44.1~48KHz,compression levels 0~8;
l APE : 16bit,44.1KHz,compression levels: fast and

normal;

l ALAC: 16bit,44.1KHz;
l MP3 : 16bit,44.1~48KHz,96kbps~320kbps,CBR/VBR/ABR

encoding;

l DIFF: DoPv1.0,DSD64 encoding,1bit,2-channel stereo,

Sampling frequency: 2.8224MHz;

l DSF : DoPv1.0,DSD64 encoding,1bit,2-channel stereo,

Sampling frequency: 2.8224MHz;

QA-360 User’s Guide QLS-HiFi

l SACD: SACD-ISO mirror image files, DoPv1.0,DSD64

encoding,1bit,2-channel stereo, Sampling frequency:

2.8224MHz;

l CUE : WAV/AIFF/FLAC/APE/ALAC can be related to CUE,

ANSI/UNICODE/UTF-8 encoding.

1.3.Product Feature

l SD card was used as the storage medium, supportive

of SD/SDHC/SDXC, and the max capacity is 128G;

l There are various output patterns such as digital

output and analog output;

l It is in favor of DSD hard decoding and SACD ISO

direct playing;

l It is in favor of several playing modes and playing

files in different folders;

l It is in favor of simplified Chinese, traditional

Chinese, and English versions.

l It is in favor of automatic startup playing and

memory playing.

QA-360 User’s Guide QLS-HiFi

2.Functional Interface

2.1.Player Layout

Mark

Definition Description 1 Description 2

Description 3

A SD card slot Storage Medium

B Navigation key

Cursor up

Previous
track

Long press for
quick song
switching

C Navigation key

Page down

Modify
settings

Long press for
fast forward

D Navigation key

Enter Play/Pause

Long press for
Favorites
operation

QA-360 User’s Guide QLS-HiFi

E Navigation key

Page up

Modify
settings

Long press for
fast back

F Navigation key

Cursor down Next track

Long press for
quick song
switching

G

3.5 Headphone
jack

Headphone
signal output

H

3.5
Line/Optical
jack

Line signal
output

Optical
signal output

I

3.5 Coaxial
jack

Coaxial signal
output

J 3.5 Power jack

Power input

K Indicator

Charging status
indication

L Power switch

Startup and
shutdown

M Back key Pages switching

Long press
for song
deletion

N Locking key Key locking

O Setting key

Enter the
setting page

Exit setting
page

Long press to
recover the
default

P Volume key

Decrease the
volume

Long press to
the next
track

Q

2.4-inch LCD
screen

Show
information

R Volume key

Increase the
volume

Long press to
the previous
track

S

Remote control
extension wire
jack

Remote-control
extension input

QA-360 User’s Guide QLS-HiFi

2.2.Interface Layout

QA-360 User’s Guide QLS-HiFi

Mark

Interface Definition

a Current playing range
b Current playing mode
c Audio format
d Progress bar
e Folder name
f Current elapsed time of track
g Folder index/total number of folders
h Track index/total number of tracks
i Total time of the track
j Play/Pause
k Track name
l Sampling rate (DSD64 indicates 2.8224MHz)
m Sampling digits (Bit rate for MP3)
n Battery capacity
o Volume

QA-360 User’s Guide QLS-HiFi

3.Operating Instructions

3.1.Startup

Turn on the power by pushing the switch upwards on the
right side of the player, and turn off the power
downwards.

3.2.Files Browsing

The player consists of the main interface, folder list,
track list, CUE list, favorites list and playing
interface. The BACK key can be used to switch interfaces.
The UP/DOWN keys can be used to move the cursor. The
LEFT/RIGHT keys can be used to turn the pages up and down.
The ENTER key can be used to enter the page of the next
level.

3.3.Music Playing

Once the target song is selected, you can play a song by
pressing the ENTER key. On the playing interface, you can
press ENTER key to play or pause, press UP/DOWN keys to
switch songs, and long press LEFT/RIGHT keys for fast
forward and fast back.

3.4.CUE Operation

Select the CUE file, enter the list, and select songs to
play. The CUE mode is supportive of such playing modes
as loop, random, single loop, playing once and reverse.
The current playing scope is limited to the current CUE

QA-360 User’s Guide QLS-HiFi

list with the playing interface showing "album".

3.5.Favorites

How to add and delete songs from the favorites？
(1).In the folder list, track list and playing interface,
if you press the ENTER key for 1 to 2 seconds, then it
will show "Add to favorites", select "OK" to add the
selected folder or song. The maximum capacity is 99.
(2).In the favorites list, if you press ENTER key for 1
to 2 seconds, it will show "Delete from favorites",
select "OK" to delete song.
Note: The Favorites is supportive of such playing modes
as loop, random, single loop, playing once and reverse.
The playing scope is limited to the current favorite list
with the playing interface showing "Favorites".

3.6.Song Deleting

In the list of songs or playing interface, if you select
the track you want to delete and press the BACK key for
1 to 2 seconds, it will show "Delete Song", select "OK"
to delete.
Note: The song is deleted permanently from the SD card
Please take caution as it is unrecoverable.

3.7.Volume Operation

Momentary press or long press of the volume key can adjust
the volume within the range of 0 to 150 cells. You can
set volume protection and left-and-right channels

QA-360 User’s Guide QLS-HiFi

balance, and the volume is unadjustable under the locking
status.

3.8.Key Lock

In order to prevent pushing the keys by mistake, you can
push the LOCK key upwards to lock the player, vice versa.
Note: In order to realize blind operation, when the keys
are locked, you can adjust the volume by momentarily
pressing the volume keys, and switching songs by long
pressing the volume keys. (Note: this is under the
non-volume-adjusting state).

4.Function Settings

4.1.Playing Mode

The playing mode includes LOOP, RANDOM, SINGLE LOOP, ONCE,
and REVERSE.

4.2.Playing Range
ALL : All songs on the SD card can be effective files.
FOLDER: Only the songs under the current folder can be

played, and you can only select the songs under this
folder as well.
Note: The player is supportive of 2-level catalogue. In
order to locate songs quickly, it is suggested that you
name the master folder with the singer name, and name the
subsidiary folders with the albums of this singer. Each
subsidiary folder should only store one album.

QA-360 User’s Guide QLS-HiFi

4.3.Memory Play/Auto Play
OFF : Turn off the memory mode, and the master interface

will show after startup.
PAUSE: Turn on the memory mode, and the playing interface
will show after startup, ready for the user to play.
AUTO : Turn on the memory mode, the playing interface will
show after startup, and songs in memory will be played.

4.4.Gap Between Tracks

You can set the time gap between tracks as 0, 500, 1000,
1500 and 2000 ms.

4.5.Track Name Rolling

You can set the rolling frequency of file names as "static,
one second, two seconds, and three seconds".

4.6.Digital Output

You can set coaxial or fiber optical digital output on
or off. If it is seldom used, you may turn it off to save
power.

4.7.Filtering Mode

The slow descent or roll-off of digital filtering can be
selected from the menu, which will filter the out-of-band
noise far away higher than the audio frequency, releasing
two sound styles.

QA-360 User’s Guide QLS-HiFi

4.8.DSD Filtering

You can decide whether the DSD signal will go through the
digital filter by selecting in the menu with two DSD sound
styles.

4.9.Volume Lock

The volume can be set as ON or OFF.

4.10.Volume Intensity

The current volume intensity can be set ranging from 0
to 150 cells.

4.11.Volume Protection

The max adjustable volume can be set for protection.

4.12.Volume Balance

The left and right channels are respectively adjustable
with 10 cells available and 5dB maximum attenuation.

4.13.Cursor Color

The color of the selected font can be set.

4.14.Main Color

The color of the main font can be set.

4.15.Interface Color

There are 27 kinds of colors can be set for the interface.

QA-360 User’s Guide QLS-HiFi

4.16.Interface Style

There are 23 kinds of styles can be set for the interface.

4.17.Display Brightness

The brightness of the LCD display can be set as three
levels - 10, 20 and 30.

4.18.Automatic Off-screen

The Automatic off-screen time options are "No, 10s, 20s,
and 30s".
It will save power and improve sound quality to turn off
the display.

4.19.Automatic shutdown

The automatic shutdown time can be set as 30, 60, 90, 120
minutes. It will function after you press the SETTING key
and exit. A reminder will pop up before 10s of the
automatic shutdown, and during the last 5 seconds the
player will be muted. The player will be shut down with
the timer counting down.

4.20.Key Reaction Speed

The key reaction speed mainly refers to the processing
speed of long press, such as the speed of moving the
cursor upwards and downwards, FF/FB, etc.
Options are 10,20,30,40,50,60,70,80,90,and 100.

QA-360 User’s Guide QLS-HiFi

4.21.Charging Switch

The charging switch will control the ON/OFF charging
status of battery. If you often use an external power,
please select OFF to extend the battery life.

4.22.Language

The GBK encoding font library is adopted supportive of
20,000 national words with three languages - Simplified
Chinese, traditional Chinese and English.

4.23.System Information

Enter this menu to check the current system information:

l Model ：QA360
l Version ：APP-V1.0
l Data : 2014.06.01
l Design By ：QLS-HiFi
l Run Timers：10：00：00
l Shutdown ：--：--：--

4.24.Factory Settings Reset
In the Settings menu, you can press the SETTING key for
1 to 2 seconds to reset the factory settings, and remove
all the songs in Favorites.

QA-360 User’s Guide QLS-HiFi

5.Firmware Update

The applications and font library can be updated in the
following steps:
(1) Copy the updated file to the SD card.
(2) Insert the SD card into the player, long press the
LEFT key and turn on the power switch, thus, the updating
mode is entered.
(3)Select the updated file in the updating list and press
the ENTER key to start updating, and restart the power
after completion.
Please visit our website http://en.qlshifi.com for the
latest updated files.

QA-360 User’s Guide QLS-HiFi

Appendix I: Product Warranty Card

Please fill this form carefully and send it back to us
along with the damaged product.

Product Name

QA360 Digital

Audio Player

Serial
Number

Purchasing Date

(DD-MM-YY)

User Name Zip Code

Mobile Number Tel

Shipping Address

Feedback of

Abnormal

Situation

Cause Analysis

and Solution

(This Part should be filled by the
manufacturer)

Remarks

ShenZhen QLS Electronic Technology Co.,Ltd(QLS-HiFi)
Contact:Chen Xue Qian(Clark)
E-mail :[e-mail]