（一）DTS AC3 dual decoding control panel used to improve DVD and other players sound quality immediately shadow! ! US domestic popular crystal company DTS; AC3 dual decoder chip CS495313 series to decode the real reduction 5.1 sound field! !
(1) 1 channel optical digital signal input, 2 coaxial digital signal input, so you connect more than one audio device more convenient
(2) 1 analog, can be converted to 5.1 surround output by the internal conversion, the same input to get a different effect.
(3) a set of 5.1-channel audio signal output
(4) MODE listening mode selection: auto mode; 5.1 mode; 2.1 mode; pink noise test mode!
(5) 6 kinds of DSP mode choices: "OFF"; "Stadium"; "Classica"
"Theater"; "Panorama"; "HALL".

（二）the source code format display: If the input is DTS signal source, the liquid crystal display "DTS"! If the input is the Dolby AC3 format signal source liquid crystal display "AC3"! If you enter the PCM signal source LCD "PCM"! No signal input LCD "" (blank)! No analog signal input will automatically mute, will greatly improve the signal to noise ratio!
1: The use of imported 24bit DSP audio processing better quality, volume section range 79db, each step 1db
2: There are total volume adjustment (6-channel simultaneous adjustment) and a channel independent adjustment function of each channel independently fine-tuning range 0db ~ -15db
3: volume mute function
4: with tone function, FL, FR main channel with treble, alto, bass 3 pitch adjustment. The EQ gain adjustment range of each frequency point: -14db ~ + 14db, each step is 2db. ! !
5: Channel resolution Sc = 100db
6: S / N = 100db
7: very low distortion! THD = 0.005
8: with volume storage function, once set up the various functions will be stored, the next boot will follow the last set parameters to play! ! Once and for all! ! (Set the volume value, no operation command input automatically save the volume after 5 seconds to set the value, power-down data is not lost!)
9: with full remote control easy operation
10: manual control function; easy to use the decoder board without losing the remote control
11: using 1602 LCD screen as a display, liquid crystal display in English. LCD screen for the blue backlight white font! Nice! The company is located in:
12: board installation size of 75 * 100 (mm)
13: The installation hole is M3, the board power supply is: DC single power supply + 12V, current 1A

installation instructions
1: The decoder board +12 V logo, then after the voltage regulator + 12V! Additional GND mark ground wire
2: The control panel knob installed in the amplifier volume control potentiometer position and screwed well, the remote control receiver mounted on the panel, the receiving surface of the hemispherical receiver exposed outside the chassis in order to receive the remote control transmitter signal! The LCD screen is fixed in the prominent position of the amplifier panel in order to observe!
3 ": board lotus socket audio output part;" FL "mark for the front left channel audio output," FR "mark for the front right channel audio output," SL "mark for the surround left channel audio output," SR " "Is marked for surround right channel audio output," CEN "is for center channel audio output and" SW "is for subwoofer channel audio output.
4: The "AUX L" mark in the volume input signal section is for analog left channel audio input, "AUX R" for analog right channel audio input, "COX1" for coaxial 1 digital audio input, "COX2" Coaxial 2 digital audio input, "OPT" symbol for optical digital audio input

 

manual instructions
1: The default control panel volume tuning state, then adjust the volume knob to adjust the volume! Clockwise as the volume increases, counterclockwise to reduce the volume!
2: Press the knob button to switch the function! The order is:
Vol: unified volume adjustment;
Input: audio input switching;
DSP: digital sound field switching;
MODE: listening mode switching;
front left channel FL volume adjustment;
FR front right channel volume adjustment;
REAR time-lapse:surround channel Delay time adjustment;
Surround the left channel SL volume adjustment;
Surround right channel SR volume control;
CENTE time-lapse: Center channel delay time adjustment;
Center channel CEN volume adjustment;
Subwoofer volume adjustment SW;
TONE Tone switch control;
Treble treble tone adjustment;
Middle Alto tone adjustment;
Bass bass tone adjustment.

3 front left channel FL volume adjustment status, then adjust the knob to adjust the volume of the size! Clockwise as the volume increases, counterclockwise to reduce the volume!
4: Front right channel FR volume adjustment status, then adjust the knob to adjust the volume of the size! Clockwise as the volume increases, counterclockwise to reduce the volume!
5: Surround channel SL volume adjustment status, then adjust the knob to adjust the volume of the size! Clockwise as the volume increases, counterclockwise to reduce the volume!
6: Surround channel SR volume adjustment status, then adjust the knob to adjust the volume of the size! Clockwise as the volume increases, counterclockwise to reduce the volume!
7: Center CEN volume control status, then adjust the knob to adjust the volume of the size! Clockwise as the volume increases, counterclockwise to reduce the volume!
8: subwoofer SW volume adjustment status, then adjust the knob to adjust the volume of the volume! Clockwise as the volume increases, counterclockwise to reduce the volume!
9: REAR time-lapse: Surround channel delay time adjustment state, then adjust the knob for the surround channel delay time size! Clockwise to increase, counterclockwise to reduce!
10: CENTE time-lapse: Middle channel delay time adjustment state, then adjust the knob for the center channel delay time size! Clockwise to increase, counterclockwise to reduce!
11: MODE: listening mode adjustment state, then adjust the knob for listening mode change!
12: DSP: sound field mode adjustment state, then adjust the knob for the sound field mode change!
13: treble treble adjustment state, then adjust the knob to adjust the treble pitch gain size! Clockwise to increase, counterclockwise to reduce!
14: Middle Alto tone adjustment state, then adjust the knob to adjust the pitch gain gain size! Clockwise to increase, counterclockwise to reduce!
15: Bass bass tone adjustment state, then adjust the knob to adjust the bass pitch gain size! Clockwise to increase, counterclockwise to reduce!
16: Vol: unified volume adjustment state, then adjust the volume knob to adjust the volume!

1: The VOL + key of the remote control is the volume + key (also the function key is added for adjustment), and the VOL- key is the volume key (also the function key for adjusting and reducing the volume)
2: The mute button on the remote control is the mute function control button. Press once to mute the 6 channels simultaneously, press again to turn on the sound! Cycle switching! (The LCD will display "MUTE" when muted; Unmute display will return to normal!) NOTE: The other functions will not work until the mute status is canceled. ! !
3: The remote control 1 key is the front left channel FL selection key. In the front left channel FL state, press VOL- key to front left channel FL volume decrease, press VOL + to front left channel FL volume increase!
4: The remote controller 2 key is the FR front-right channel selection key. In the front right channel FR state, press the VOL- key to change the front right channel FR volume, press VOL + to the front right channel FR volume increase!
5: The remote control 3 buttons surround the left channel SL selection button, surround the left channel SL state, press the VOL- button to surround the left channel SL volume decrease, press VOL + to surround the left channel SL volume increase!
6: The remote control 4 keys surround the right channel SR selection key, surround the right channel SR state press VOL- key to surround the right channel SR volume decrease, press VOL + to surround the right channel SR volume increase!
7: The remote control 5-button is the center channel CEN select button, the center channel C state press VOL- button for the center channel C volume reduction, press VOL + for the center channel C volume increase!
8: remote control 6 keys for the bass SW adjustment selection keys, subwoofer SW volume control status press the VOL- button to bass SW channel volume decrease, press VOL + for bass SW channel volume increase!
9: Remote control 0 key for the volume adjustment (all channels) selection keys, in all channel status press VOL- for all channel volume reduction, press VOL + for all channel volume increase! (The default is this state!
The control panel will return to this state and save the volume value when there is no control command input for 10 seconds)
10: MODE key of the remote control is MODE Listening mode selection key: Changing the function key every time you press the MODE function will change one mode.
11: remote control EQ button for the DSP sound field mode selection key: every time you press the change function button DSP sound field function will change a mode.
12: Remote control U / SD button for function selection control! Followed by the key to select:

Vol: unified volume adjustment;
Input: audio input switching;
DSP: digital sound field switching;
MODE: listening mode switching;
front left channel FL volume adjustment;
FR front right channel volume adjustment;
REAR time-lapse: surround channel Delay time adjustment;
Surround the left channel SL volume adjustment;
Surround right channel SR volume control;
CENTE time-lapse: Center channel delay time adjustment;
Center channel CEN volume adjustment;
Subwoofer volume adjustment SW; TONE Tone switch control;
Treble treble tone adjustment; Middle Alto tone adjustment;
Bass bass tone adjustment.

(Press and hold the switch one time to switch one function! Same as the manual control knob switch)