CYP DCT-24 User manual

DCT-24
Audio Center
Operation Manual
Operation Manual

DISCLAIMERS
The information in this manual has been carefully checked and
is believed to be accurate. Cypress Technology assumes no
responsibility for any infringements of patents or other rights of third
parties which may result from its use.
Cypress Technology assumes no responsibility for any inaccuracies
that may be contained in this document. Cypress also makes no
commitment to update or to keep current the information contained
in this document.
Cypress Technology reserves the right to make improvements to this
document and/or product at any time and without notice.
COPYRIGHT NOTICE
No part of this document may be reproduced, transmitted,
transcribed, stored in a retrieval system, or any of its part translated
into any language or computer le, in any form or by any means—
electronic, mechanical, magnetic, optical, chemical, manual, or
otherwise—without express written permission and consent from
Cypress Technology.
© Copyright 2011 by Cypress Technology. All Rights Reserved.
Version 1.0 September 2011
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.

SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or
operate this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of re,
electrical shock and injury to persons.
• To prevent re or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU
if it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufcient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE DD/MM/YY SUMMARY OF CHANGE
VR01 07/01/14 Preliminary Release

CONTENTS
1. Introduction............................................ 1
2. Applications........................................... 1
4. System Requirements............................ 1
5. Features.................................................. 2
6. Operation Controls and Functions....... 3
6.1 Front Panel ........................................3
6.2 Rear Panel.........................................4
6.3 RS-232 Protocal.................................5
6.4 RS-232 Command ............................6
7. Connection Diagram ............................ 8
8. Specications ........................................ 9
8.1 Audio Detail Specication ............10

1
1. 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.
2. APPLICATIONS
• Multiple input/output Audio Center
• PC/Mac USB audio input support
• Show event audio set up
• Home theater
• Educational/Lecture presentation
• 3. PACKAGE CONTENTS
• 1 x Audio Center
• 1 x 5V DC Power Adaptor
• 1 x 6.3mm to 3.5mm Jack
• 1 x 3.5mm to D-sub 9 pin cable
• Operational Manual
4. SYSTEM REQUIREMENTS
Input audio source equipment such as PC (USB), DVD player, MP3 and
…etc. with output active speakers, Amplier or headphones.

2
5. FEATURES
• Supports Digital to Analog audio Conversion (DAC)
• Supports USB sampling rate up to 192kHz
• Synchronous output sound on both Line out and 6.3mm
headphone
• Supports RS-232 controls
• Volume control of analog and headphone outputs
• Direct power and mute button on unit
• Headphone output fades in after system is muted
• 6.3mm headphone output (3.5mm mini-jack adaptor supplied)

3
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
POWER LINE USB
POWER HEADPHONE
MUTESOURCE
1 62 3 4 5
1POWER/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.
26.3mm HEADPHONE Output:
Connect to 6.3mm professional headphone set for user to enjoy
the individual professional audio sound.
33.5mm Line-level input:
Connect 3.5mm mini-jack cable to any audio equipment for
stereo input audio signal.
4Power LED:
This LED will illuminate when the Power is switched ON.
5Input LED indicator:
The LED will illuminate according with selected input source.
6Mute/Volume control:
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.

4
6.2 Rear Panel
RS-232
LINE IN LINE OUT
DC 5V
USB
RLRL
1 2 3 4 5
1DC 5V:
Plug the 5V DC power supply into the unit and connect the
adaptor to an AC outlet.
2RS-232:
Connect 3.5mm D-Sub 9-pin adaptor cable to PC/Laptop for RS-
232 control.
3USB IN:
• Connect to a PC/MAC source for USB audio signal input.
• Firmware update: Press Power wheel and then plug the 5V
DC power supply into the system, the system will enter into
rmware update mode.
4Line IN:
Connect the L/R IN to an analog stereo input source such as CD
player or media player.
5Line OUT:
Connect the L/R OUT to Amplier or active speakers with RCA jack
cables.

5
6.3 RS-232 Protocal
DCT-24
►
◄
Remote Control
PIN Assignment PIN Assignment
1 NC 1 NC
2TxD 2RxD
3RxD 3TxD
4 NC 4 NC
5 GND 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9NC 9NC
Baud Rate: 19200 bps
Data bit: 8-bits
Parity: None
Stop Bit: 1
Flow Control: None

6
6.4 RS-232 Command
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 x level
ME 03 Reset to default
HPR (00---05) HPR 00: 16Ω
HPR 01: 32Ω
HPR 02: 64Ω
HPR 03: 200Ω
HPR 04: 300Ω
HPR 05: 600Ω

7
?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

8
7. CONNECTION DIAGRAM
RS-232
LINE IN LINE OUT
DC 5V
USB
RLRL
POWERLINEUSB
POWER HEADPHONE
MUTESOURCE
NB
Stereo Analog Output
Headphone Output
Line-level Input
Smartphone or
MP3 Player
Stereo Analog Input
Active Speakers
CD Player
PC

9
8. SPECIFICATIONS
Input ports 1 x 3.5Ø Line in, 1 x L/R RCA, 1 x USB (Type
B), 1 x 3.5mm to D-Sub 9-pin (RS-232),
Output ports 1 x L/R (Analog Stereo 2RCA), 1 x 6.3mm
Headphone
Audio Input/Output LPCM 2CH
Stereo Input/Output Level 2 Vrms ± 10%
USB Audio Sampling Rate Up to 192kHz
THD+N <0.01%
Frequency Response ±1dBFs
SNR >80dB
Crosstalk <-70dB
ESD Protection Human body model:
±8 kV (air-gap discharge)
±4 kV (contact discharge)
Power Supply 5V/ 3A DC (US/EU standards, CE/FCC/UL
certied)
Dimensions 145mm(W) x 113mm(D) x 30mm(H)/Jacks
Excluded
145mm(W) x 128mm(D) x 30mm(H)/Jacks
Included
Weight 375 g
Chassis Material Aluminum
Silkscreen Color Black
Operating Temperature 0˚C ~ 40˚C
Storage Temperature -20˚C ~ 60˚C / -4 ˚F ~ 140 ˚F
Relative Humidity 20 ~ 90% RH (non-condensing)
Power Consumption 8.5W

8.1 Audio Detail Specication
Input
Level
Output
Terminal
Channel
Output
Sample
Rate
Output Level
THD+N
Frequency
Response
SNR Crosstalk
Line
2Vrms
Line
L
N/A
1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
R1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
Headphone
L
N/A
1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
R1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
3.5mm
Line
2Vrms
Line
L
N/A
1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
R1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
Headphone
L
N/A
1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB
R1.8 ~2.2Vrms <0.01 % ±1dBFS >80dB <-70dB

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CYPRESS TECHNOLOGY CO., LTD
20130319 MPM-DCT24