Qls QA-350 User Manual Download Page 3

Page 

 

Remote:  remote  receive  window  serves  as  receiver  of  controlling  signals  from 

remote. 

Play/pause: start playing or pause current playing. 
The  previous  music:  turns  to  play  the  previous  music.  If  it  is  the  first  one,  this 

operation is invalid.   

Next music: turns to play next music. If it is the last one, this operation is invalid.   
The  previous  folder:  if  there  is,  it  will  turn  to  the  previous  folder  of  the  current 

folder.While current folder is the first one,it can over the folder operating. 

The next folder: if there is, it will turn to the next folder of the current folder. 
Coaxial out/optical out: 16Bit 44.1K SPDIF PCM digital output.   
LINE OUT: output by the DAC and LVP after the analog signal, can directly connect 

to your amplifiers or amp. 

Volume Regulation VR: adjust the volume level of the output signal of the amp. 
Headphone jack: connect headphones 
Remote interface: Interface reserved. 
Standby: it lights when displayer is in standby state 
Power switch: ON/OFF controlling the whole power. 
Power:  9V-12V  DC  Power  supply  input.  Maximum  current  provided  by  the  power 

has better exceed or equal 500mA. 

Battery  Charging  Interface:  use  charger  through  the  built-in  interface  to  charge  the 

battery. For charging method, please see related introduction. 

Key  Lock  Switch:  to  prevent  the  keys  being  misuse,  when  it  is  in  the  state  of  ON, 

press the button to lock it; on the contrary it is also operational. 

SD socket: where SD card insertde 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Remote user

s manual

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Functions of each key : 

Host  standby:  press  this  key,  the  host  (player)  will  enter  a  standby  state.  Press  it 

again, the host will start normal working from standby mode.   

Host reset: if press it, the host will reset and start working again.   
Number keys 0-9: work together with other keys to select music or something else. 
2 bit number: rapidly set music from the 1

st

 one to the 99

th. 

 

3 bit number: rapidly set music from the 100

th

 one to the 999

th

.   

Key A: press the number keys and 2 / 3 number keys to select the folder. 
Key B: useless.   
The  previous  music: choose the  previous  music, same  with the  previous  music key 

in the host.

 

The next music: choose the next music, same with the next music key in the host.   
The  previous  folder:  if  there  is,  it  will  turn  to  the  previous  folder  of  the  current 

folder. 
If the current folder is the first one ,it will out of the foler operations.

 

The next folder: if there is, it will turn to the next folder of the current folder. 

Play/pause: start playing or pause playing, same with the play/pause key in the host 
 

 

Summary of Contents for QA-350

Page 1: ...to bump and fire 8 it is prohibited that the direct connection of short circuit of the battery positive and negative poles It may result in serious damage to the battery or even fire 9 strictly prohibited to throw battery in fire or liquids to avoid danger 10 strictly prohibited to charger in the car 11 in order to avoid adverse consequences caused by the battery abnormal use please do not put lit...

Page 2: ...completion of charging Two lights is red When Charging Product function block diagram 1 positive 2 left 3 right Functions of each module are as follows LCD display relevant information is synchronous displayed as follows 1 in the upgrade process whether the SD card is detected whether the card owns upgrade file and whether the upgrade is complete shall be displayed 2 power initialization shows whe...

Page 3: ...harger through the built in interface to charge the battery For charging method please see related introduction Key Lock Switch to prevent the keys being misuse when it is in the state of ON press the button to lock it on the contrary it is also operational SD socket where SD card insertde Remote user s manual Functions of each key Host standby press this key the host player will enter a standby s...

Page 4: ...ent file name _ _ _ in lines If input music number it will play that music directly If the number is beyond the sum of files it is considered as invalid and makes no response 5 Press F or F to choose music in folders If press F it turns to the next folder to play And F is invalid when it comes to the last folder If press F it turns to the previous folder to play when it comes to the first folder t...

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