Converters.TV 15208 User manual

USB Audio Center
# 15208
Operation Manual

Introduction
The Audio Center is designed to allow multiple audio sources to be controlled,
switched and output to a variety of audio equipment. With its 3 audio inputs and 2
audio outputs including a 6.3mm headphone output) you can integrate and convert
USB/Line in audio source to LPCM 2CH output synchronously to Line out and 6.3mm
headphone.
Features
• Supports Digital to Analog audio Conversion (DAC)
• Supports USB sampling rate up to 192kHz
• S nchronous output sound on both Line out and 6.3mm headphone
• Supports RS-232 controls
• Elegant design and eas to install/using
• Total Harmonic Distortion (THD): Less than 100dB (-20dBFs)
• Volume contol of analog and headphone outputs
• Direct power and mute button on unit
• Headphone output fades in after s stem is muted
• 6.3mm headphone output (3.5mm mini-jack adaptor supplied)
Applications
• Multiple input/output Audio Center
• PC/Mac USB audio input support
• Show event audio set up
• Home Theater
• Educational/Lecture presentation
System
equirements
Input audio source equipment such as PC USB), DVD player, MP3 and …etc.
with output active speakers, amplifier or headphones

Operation Controls
And Functions
Front Panel
1. POWER/SOURCE Select:
Press the wheel to turn on the device or to set it to standby mode. Turn the wheel
Left/Right to select input audio source (3.5mm Line level/ Line in/ USB), the LED will
illuminate accordingly with selected input audio source.
2. 6.3mm HEADPHONE Output:
Connect to 6.3mm professional headphone set for user to enjoy the individual
professinal audio sound.
3. 3.5mm Line-level input:
Connect 3.5mm mini jack cable to any audio equipment for stereo input audio
signal.
4. P wer LED:
LED will illuminate when the Power is switched ON.
5. Input LED indicat r:
The LED will illuminate according with selected input source.
6. Mute/V lume c ntr l:
Turn the wheel to adjust the volume levels. Press the wheel to Mute the audio, all the
input audio LED indicator will turn off automatically. Turn the wheel Left/Right to un
mute the audio, input audio LED indicator will illuminate to the last selection.
ear Panel
1. DC 5V:
Plug the 5V DC power supply into the unit and connect the adaptor to an AC outlet.

2. RS-232:
Connect 3.5mm D Sub 9 pin adaptor cable to PC/Notebook for RS 232 control.
3. USB IN:
Connect to a PC/MAC source for USB audio signal input or firmware update.
4. Line IN:
Connect the L/R IN to an analog stereo input source such as CD player or media
player.
5. Line OUT:
Connect the L/R OUT to amplifier or active speakers with RCA jack cables.
RS-232 Pr t c l
USB Audio Center Remote Control
Pin Assignment Pin Assignment
1 NC 1 NC
2 Tx 2 Rx
3 Rx 3 Tx
4 NC ► 4 NC
5 GND ◄ 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9 NC 9 NC
Baud Rate: 19200 bps
Data bit: 8 bits
Parity: None
Stop Bit: 1

RS-232 C mmand
Command Description
PORT 00 Switch Front In
PORT 01 Switch Line In
PORT 02 Switch USB In
VOL 00 Volume controller
VOL - 01---160) Volume controller
POWER 00 Power off
POWER 01 Power on
MUTE 00 Mute off
MUTE 01 Mute on
FIX 00 LINE Out volume levels
FIX 01 LINE Out fix level
ME 03 Reset to default
HPR 00 –- 05) 00---05) HPR 00: 16Ω
HPR 01: 32Ω
HPR 02: 64Ω
HPR 03: 200Ω
HPR 04: 300Ω
HPR 05: 600Ω
? Display all available commands
Ext:
Support UART commands as list
commands : Description
PORT 00: Front In
PORT 01: Line In
PORT 02: USB In
POWER 00: POWER OFF
POWER 01: POWER ON
MUTE 00: MUTE OFF
MUTE 01: MUTE ON
FIX 00: FIX OFF
FIX 01: FIX ON
HPR 00: 16_OHM
HPR 01: 32_OHM
HPR 02: 64_OHM
HPR 03: 200_OHM
HPR 04: 300_OHM
HPR 05: 600_OHM

VOL 00: VOL xxdB
VOL - 01---160): VOL -xxdB
ME 03: Reset to default
INFO : Display the current status and F/W
version
? : Display all available commands
INFO Display the current status and F/W version
Connection

Specifications
Input port 1 x 3.5Ø Line in, 1 x R/L RCA, 1 x USB Type B),
1 x 3.5mm 9pin RS-232),
Output port 1 x L/R Analog Stereo 2RCA), 1 x 6.3mm
Headphone
Audio Input/Output LPCM 2CH
Stereo Input/Output Level 2 Vrms ± 0.2
ESD Protection Human body model:
±8 kV air-gap discharge)
±4 kV contact discharge)
Power Supply 5V/ 2.6A DC US/EU standards, CE/FCC/UL
certified)
Dimensions 145mm W) x 113mm D) x 30mm H)
Weight 800g
Chassis Material Aluminum
Silkscreen Color Black
Operating Temperature 0˚C ~ 40˚C
Storage Temperature -20˚C ~ 60˚C / -4 ˚F ~ 140 ˚F
elative Humidity 20 ~ 90% RH non-condensing)
Power Consumption 8.5W