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Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax
724-746-0746 • www.blackbox.com • info@blackbox.com
Customer
Support
Information
User Manual
Scale and switch five video and six audio inputs
to HDMI and HDBaseT outputs up to 230 feet (70 meters).
Multi-Format Video Scaler with Extension - 5-Port
AVS - 5 DA1- H D B
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Trademarks Used in this Manual
Trademarks Used in this Manual
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc.
Any other trademarks mentioned in this manual are acknowledged to be
the property of the trademark owners.
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FCC and IC RFI Statements/NOM Statement
FEDERAL COMMUNICATIONS COMMISSION AND
INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio-frequency energy,
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause inter ference to radio communication.
It has been tested and found to comply with the limits for a Class A computing
device in accordance with the specifications in Subpart B of Part 15 of FCC rules,
which are designed to provide reasonable protection against such interference
when the equipment is operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference, in which case
the user at his own expense will be required to take whatever measures may be
necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise
emis sion from digital apparatus set out in the Radio Interference Regulation
of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de la classe A prescrites dans le
Règlement sur le brouillage radioélectrique publié par Industrie Canada.
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
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NOM Statement
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá
lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
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NOM Statement
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
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Safety Precautions
Safety Precautions
For best results, read all instructions carefully before using the transmitter. Save this
manual for further reference.
• Unpack the equipment carefully and save the original box and packing material for
possible future shipment.
• Follow basic safety precautions to reduce the risk of fire, electrical shock, and injury to
persons.
• Do not dismantle the housing or modify the module. This may cause electrical shock
or burn.
• Using supplies or parts that do not meet the products’ specifications may cause
damage, deterioration, or malfunction.
• Refer all servicing to qualified service personnel.
• To prevent a fire or shock hazard, do not expose the unit to rain, moisture, or install
this product near water.
• Do not put any heavy items on the extension cable.
• Do not open or remove the housing of the device. This might expose you to
dangerous voltage or other hazards.
• Install the device in a place with proper ventilation to avoid damage caused by over-
heating.
• Keep the module away from liquids.
• Spillage into the housing may cause fire, electrical shock, or equipment damage. If an
object or liquid falls or spills on to the housing, unplug the module immediately.
• Do not twist or pull the ends of the optical cable. This can cause the device to mal-
function.
• Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to
the device before cleaning.
• Unplug the power cord when the device is unused for a long period of time.
• Disposal information: do not burn or mix the device with general household waste,
treat it as electrical waste.
NOTES:
1. PoC is short for Power over Cable.
2. The Video Extender - 4K HDMI, IR, RS-232 Receiver (AVS-HDB-RX) is the only
receiver that works with the AVSC-5DA1-HDB.
3. The item “far-end” means the device (e.g. display device, third-party RS-232 device
etc.) connected to the AVS-HDB-RX.
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Table of Contents
Table of Contents
1. Specifications .........................................................................................................8
2. Overview .............................................................................................................11
2.1 Introduction ................................................................................................. 11
2.2 Features ....................................................................................................... 11
2.3 What’s Included ..........................................................................................12
2.4 Hardware Description .................................................................................. 13
3. Installation ........................................................................................................... 17
3.1 Usage Precautions .......................................................................................17
3.2 System Diagram ..........................................................................................17
3.3 Connection Procedure ................................................................................. 17
3.4 Microphone Connection .............................................................................18
3.5 Applications .................................................................................................21
4. Operation ............................................................................................................22
4.1 Front-Panel Buttons .....................................................................................22
4.1.1 Adjusting the Resolution .....................................................................22
4.1.2 Switching Operations ..........................................................................22
4.1.3 Adjusting the Volume .........................................................................24
4.1.4 OSD Menu .......................................................................................... 24
4.1.5 Updating the Software .......................................................................24
4.2 IR Operation ................................................................................................24
4.2.1 IR Remote ...........................................................................................24
4.2.2 IR ........................................................................................................26
4.3 CEC Operation ............................................................................................27
4.4 RS-232 Control ............................................................................................29
4.4.1 Installing/Uninstalling RS-232 Control Software .................................29
4.4.2 Basic Settings .....................................................................................29
4.4.3 RS-232 Communication Commands ..................................................31
4.4.4 Control the AVSC-5DA1-HDB or Third-Party Device
from the Local Unit ............................................................................40
4.4.5 Control the AVSC-5DA1-HDB from the Local or Remote Unit ............ 41
4.5 OSD Menu Operation .................................................................................. 42
4.5.1 Option ................................................................................................42
4.5.2 Picture ................................................................................................43
4.5.3 Sound ................................................................................................ 44
4.5.4 Setup .................................................................................................. 45
4.6 VGA Converter Cable ..................................................................................46
5. Troubleshooting and Maintenance ..................................................................... 48
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Chapter 1: Specifications
1. Specifications
Video Input
Video Input Connectors (3) HDMI female,
(2) VGA (15-pin) female
Video Input Signal HDMI, YPbPr, C-video, VGA
Video Output
Video Output
Connectors
(1) HDMI female,
(1) RJ-45 HDBaseT
Video Output Signal (1) HDMI, (1) HDBaseT
IR Input
Input (1) IR IN
IR Input Connector (1) 3.5-mm jack
IR Output
Output (5) IR out
IR Output Connector (5) 3.5-mm jacks
Video General
Resolution 1920 x 1200, 1920 x 1080, 1600 x 1200, 1360 x 768,
1280 x 800, 1280 x 720, 1024 x 768
Bandwidth HDMI: 4.95 Gbps (1.65 Gbps per color);
C-V i de o :15 0 M H z ;
YPbPr: 170 MHz;
VGA: 375 MHz
Maximum Pixel Clock 165 MHz
Gain 0 dB
Video Impedance 75 ohms
Input/Output Level 0.5 V to 2.0 Vp-p
HDCP Compliant with DVI and HDMI 1.3 standards
Audio Input
Audio Input (3) Dual-mono stereo audio for HDMI;
(2) Dual-mono stereo audio for VGA (Support C-VIDEO,
YPbPr, VGA)
Audio Input Connector 3P captive (3.81-mm)
Input Impedance >10 k-ohms
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Chapter 1: Specifications
Audio Output
Audio Output (1) stereo
Audio Output Connector 3P captive (3.81-mm)
Output Impedance 70 ohms
Audio General
Frequency Response 20 Hz to 20 kHz
Stereo Channel
Separation
>80 dB @1kHz
Distance Up to 230 ft. (70 m)
User Controls IR remote, buttons, and RS-232
Pin Configuration 2 = TX, 3 = RX, 5 = GND
Environmental
Temperature (Operating) -14 to +104° F (-10 to +40° C)
Humidity 10 to 90%
Power
Power Supply 12 VDC ± 0.5V
Consumption 8 W, supply power to AVSC-5DA1-HDB and AVS-HDB-RX
separately,
16 W, AVSC-5DA1-HDB supplies power to AVS-HDB-RX
Mechanical
Dimensions 1.7"H x 8.7"W x 5.8"D (4.4 x 22 x 14.8 cm)
Weight 1.43 lb. (0.65 kg)
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Chapter 1: Specifications
Dimensional Diagram
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Chapter 2: Overview
2. Overview
2.1 Introduction
The Multi-Format Video Scaler with Extension - 5-Port (AVSC-5DA1-HDB) is a compact
mini scaler switcher with 5 video inputs (3 HDMI, 2 VGA) and 6 audio inputs (3 HDMI
audio and 2 VGA audio: switched following the video; 1 MIC audio input). The VGA
input supports VGA, YPbPr, and C-video, so the scaler switcher works with multiple
video signals.
The AVSC-5DA1-HDB scales and switches any video signal to HDMI output and
HDBaseT output (supports PoC and connects to a Video Extender - 4K HDMI, IR,
RS-232 Receiver [AVS-HDB-RX]), up to a maximum transmission distance of 230 feet
(70 meters).
With (1) IR IN, (5) IR OUT, and (1) RS-232, the IR and RS-232 signals can be transmitted
bi-directionally between the AVSC-5DA1-HDB and the AVS-HDB-RX.
2.2 Features
• Complies with HDCP.
• Supports CEC, with commands to enable/disable this function.
• Supports video source auto-switching.
• Controlled via front-panel buttons, bi-directional IR, and RS-232.
• Supports various output resolutions, including 1920 x 1200, 1920 x 1080, 1600 x
1200, 1360 x 768, 1280 x 800, 1280 x 720, 1024 x 768.
• VGA video supports C-video, YPbPr, and VGA.
• Supports online software upgrading.
• Uses 48-V phantom power for a condenser microphone.
• MIC port supports balance/unbalance signal to suppress external noise.
• 3-level MIC input, supports a condenser microphone, a dynamic microphone, or a
wireless microphone.
• Powerful OSD function.
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Chapter 2: Overview
2.3 What's Included
Your package should contain the following items. If anything is missing or damaged,
contact Black Box Technical Support at 724-746-5500 or info@blackbox.com.
• (1) Multi-Format Video Scaler with Extension - 5-Port (AVSC-5DA1-HDB)
• (1) Video Extender —4K HDMI, IR, RS-232 Receiver (AVS-HDB-RX)
• (2) Mounting ears (for AVSC-5DA1-HDB)
• (2) Mounting ears (for AVS-HDB-RX)
• (5) Screws (black)
• (7) Captive screw connectors
• (1) IR receiver (with carrier wave)
• (1) IR emitter
• (2) VGA to YPbPr cables
• (2) RS-232 cables
• (8) Plastic cushions
• (1) IR remote (Cell battery is not included)
• (1) Power Adapter (12 VDC)
• (1) user manual
To download this user manual from our Web site:
1. Go to www.blackbox.com
2. Enter the part number (AVSC-5DA1-HDB) in the search box:
3. Click on the “Resources” tab on the product page, and select the document you
wish to download.
If you have any trouble accessing the Black Box site to download the manual, you can
contact our Technical Support at 724-746-5500 or info@blackbox.com.
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Chapter 2: Overview
2.4 Hardware Description
Figures 2-1 and 2-2 show the front and back panels of the scaler. Tables 2-1 and 2-2
describe the scaler's components.
1 2 3 4 10
5 6 7 8 9
Table 2-1. Front-panel components.
Number in
Figure 2-1
Component Description
1 Power
indicator
Lights red when power is on, turns green in standby
mode.
2 LCD screen Shows real-time system working status.
3 SOURCE/
AUTO
• Used as a video source selection button, press to
select one source, press again to select next source,
switching sequentially between HDMI1, HDMI2,
HDMI3, VGA1, and VGA2. The LCD screen will
show the name of the selected source.
• Used as a switching mode selection button, press
and hold for 7 seconds or more to enter Autoswitching mode, press and hold for 7 seconds or
more again to enter Manual-switching mode.
NOTE: When you set any VGA port to AV or YPbPr in
Manual-switching mode,
the system will not be able to enter Autoswitching mode. While in Auto-switching
mode, setting any VGA port to AV or YPbPr
will automatically enter the system in Manualswitching mode, and the LCD screen and
RS-232 control software will prompt “Not
supported!”
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Chapter 2: Overview
Number in
Figure 2-1
Component Description
4 ENTER Confirm the selection in the menu.
5 RESO/AUTO • Used as an output resolution manual switching
button, select from 1920 x 1200, 1920 x 1080,
1600 x 1200, 1360 x 768, 1280 x 800, 1280 x 720,
1024 x 768.
• Used as an output resolution switching mode selection button, press and hold for 7 seconds or more
to enter Auto-switching mode, press and hold for
7 seconds or more to enter Manual-switching
mode.
6 MENU/
FWUPDATE
• Used as a menu button, press to enter the OSD
menu.
• Used as a software update button, press and hold
for 7 seconds or more to update the software.
7 VOL- • Used as a volume down button.
• Used as a direction button to go to the NEXT
option in menus.
8 MIC+ • Used as a MIC volume up button.
• Used as a direction button to MOVE UP to the previous option in menus.
9 VOL+ • Used as a volume up button.
• Used as a direction button to go to the PREVIOUS
option in menus.
10 M I C- • Used as MIC volume down button.
• Used as a direction button to MOVE DOWN to the
subsequent option in menus.
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Chapter 2: Overview
8 9 10 10 10 10 10 11 12
1 2 3 4 5 6 7
Figure 2-2. Back panel.
Table 2-2. Back panel components.
Number in
Figure 2-2
Component Description
1 AUDIO INPUT Includes (3) HDMI audio and (2) VGA audio inputs.
Users can choose any one audio type (embedded
HDMI audio or external input audio) for HDMI audio
input by sending RS-232 commands.
2 AUDIO OUTPUT Audio output port: the audio comes from the input
audio corresponding to the selected video source
and is mixed with MIC audio.
3 IR OUT (5) in total, connect with IR emitters to control local
source devices or AVSC-5DA1-HDB from the remote,
switched along with the corresponding video source.
4 IR IN Connects with IR receiver (with carrier wave only) to
receive the IR signal sent by the IR remote or the
remote controller of another input/output device.
5 FIRMWARE USB port, connects to a USB flash drive or other stor-
age device to update the system firmware.
6 RS-232 serial
control port,
3-pin captive
screw connector
Connects to a control device (such as a computer) to
control an AVSC-5DA1-HDB or other devices connected with an AVS-HDB-RX.
7 12-VDC power
connector
Connects to a 12-VDC power adapter.
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Chapter 2: Overview
Table 2-2 (continued). Back panel components.
Number in
Figure 2-2
Component Description
8 MIC port Connects to microphone.
9 Dial switch Includes 3 levels: 48-V phantom power mode (con-
nect
with condenser microphone), MIC mode (connect
with dynamic microphone), and LINE mode (connect
with wireless microphone or line audio).
10 VIDEO INPUT Video input ports include 3 HDMI inputs and 2 VGA
inputs.
VGA ports support YPbPr, C-video, and VGA format.
Factory default is VGA format.
11 OUTPUT* HDMI local output.
12 OUTPUT* HDBaseT output, supports PoC.
* The two ports share the same audio signal, and the audio signal is mixed with MIC
audio and HDMI embedded audio (output audio). If HDMI embedded audio output is
disabled, there will be no audio output through these ports.
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Chapter 3: System Connection
3. System Connection
3.1 Usage Precautions
1. Install the system in a clean environment that has a proper temperature and humidity.
2. Make sure that all the power switches, plugs, sockets, and power cords are insulated
and safe.
3. Connect all devices before powering on.
3.2 System Diagram
IR emitter
IR receiver
IR receiver
RS-232
control panel
AVS-HDB-RX
Projector
HDTV
PC
Laptop
PC
DV camera
DVD
Mic
Figure 3-1. Typical application.
3.3 Connection Procedure
Step 1. Connect HDMI source devices (e.g. Blu-ray™ DVD) to the Scaler's HDMI input
ports with HDMI cable. Connect VGA source devices (e.g. PC) to the Scaler’s
VGA input ports with VGA cable.
Step 2. Connect audio sources to the corresponding AUDIO INPUT ports on the AVSC-
5DA1-HDB with audio cable. The HDMI audio can be embedded or external by
sending the right command.
Step 3. Connect an HDMI display device to the HDMI output port of AVSC-5DA1-HDB
with HDMI cable.
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Chapter 3: System Connection
Step 4. Connect an AVS-HDB-RX to the he AVSC-5DA1-HDB’s HDBaseT output port
with twisted pair.
Step 5. Connect a speaker, headphone, or amplifier to the AVSC-5DA1-HDB’s AUDIO
OUTPUT port.
Step 6. Connect a control device (e.g. PC) to the RS-232 port of the AVSC-5DA1-HDB or
AVS-HDB-RX (bi-directional RS-232 control, either end is available).
Step 7. Both AVSC-5DA1-HDB and AVS-DB-RX have IR IN and OUT. When one model
is connected to an IR receiver, the other model should connect to an IR
transmitter.
For example: When “IR IN” of AVSC-5DA1-HDB connects with an IR receiver,
the IR transmitter must connect to the IR OUT of the AVS-HDB-RX.
NOTE: The IR signal is transmitted bi-directionally between the AVSC-5DA1-
HDB and the AVS-HDB-RX.
Step 8. Select the MIC level and connect the right microphone to the MIC input port.
MIC audio will be transmitted to the AUDIO OUTPUT port and mixed with
source audio.
tep 9. Connect the 12-VDC power adapter to the power port (AVS-HDB-RX gets power
from AVSC-5DA1-HDB via PoC).
NOTE: The AVSC-5DA1-HDB supports unidirectional PoC, i.e., If the power
adapter is connected with AVSC-5DA1-HDB, the AVS-HDB-RX can get
power from AVSC-5DA1-HDB.
3.4 Microphone Connection
The AVSC-5DA1-HDB has one 3-level microphone input port to accommodate different
microphone input modes, including 48-V phantom power mode, MIC mode, and LINE
mode.
48-V phantom power input
48-V phantom power input has good frequency, high input impedance, and high
sensitivity.
When switching to “48-V,” the MIC input will provide 48-V of phantom power. This is
only used for the condenser microphone.
Connect the microphone in this way: “+” connects to positive, “-” connects to
negative, and GND connects to ground.
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Chapter 3: System Connection
Figure 3-2. 48-V phantom power input.
MIC input
MIC input has low frequency characteristics, and wide frequency response.
When switched to “MIC,” the microphone input is used for connecting to a dynamic
microphone. There are two different connection methods:
1. Unbalanced connection:
“+” and “ ” connect to ground, and “-” connects to signal.
“-” and “ ” connect to ground, and “+” connects to signal.
Figure 3-3. Mic input, unbalanced connection.
2. Balanced connection: “+” connects to positive, “-” connects to negative and “ ”
connects to ground.
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Chapter 3: System Connection
Figure 3-4. Mic input, balanced connection.
LINE input
LINE input has low frequency characteristics and wide frequency response.
When switched to “LINE,” the microphone input is used to connect to line audio or
wireless microphone output. There are two different connection methods:
1. Unbalanced connection:
“+” and “ ” connect to ground, and “-” connects to signal.
“-” and “ ” connect to ground, and “+” connects to signal.
Figure 3-5. LINE input, unbalanced connection.
2. Balanced connection: “+” connects to positive, “-” connects to negative and “ ”
connects to ground.
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Chapter 3: System Connection
Figure 3-6. LINE input, balanced connection.
3.5 Application
Use the AVSC-5DA1-HDB in various applications, including computer systems, monitoring, conference rooms, large screen displays, television, education, command and con-
trol centers, and smart homes.
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Chapter 4: Operation
4. Operation
4.1 Front-Panel Buttons
Use the front-panel buttons to adjust output resolution, for switching, to update
software, adjust volume, and for other menu operations.
4.1.1 Adjusting the Resolution
Resolution can be adjusted automatically and manually. Press and hold the RESO/AUTO
button for 7 seconds or more to switch between auto-adjusting/manual-adjusting
mode.
NOTES:
1. In auto-adjusting mode, the AVSC-5DA1-HDB will choose the resolution of the display
device at the far-end as the preferred resolution. If you need to choose the resolution
of the local HDMI display device:
• Turn off the power to the AVSC-5DA1-HDB and disconnect the AVSC-5DA1-HDB and
the AVS-HDB-RX.
• Turn on the power to the AVSC-5DA1-HDB.
• Get the local HDMI output device's resolution.
• Connect the AVS-HDB-RX to the AVSC-5DA1-HDB.
2. In auto-switching mode, the front-panel button control is not active, but you can use
IR and RS-232 control to switch modes.
4.1.2 Switching Operations
Video signals support auto-switching and manual-switching. Press and hold the
SOURCE/AUTO button for 7 seconds or more to enter auto-switching/manual-switching
mode.
Figure 4-1. Display result.
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Chapter 4: Operation
The display result will be shown for two seconds.
Auto-switching Function
Auto-switching mode follows these principles:
• New input principle: Once it detects a new input signal, the AVSC-5DA1-HDB will
switch to this new signal automatically.
• Power reboot principle: AVSC-5DA1-HDB remembers the last displayed signal when
rebooting. Once rebooted, the AVSC-5DA1-HDB will automatically enter auto-switching mode, and then detect all inputs and memorize their connection status for future
rebooting.
If the last displayed signal is still available, the AVSC-5DA1-HDB will output the signal.
If not, there will be no signal on the output devices.
• Signal remove principle: Once you remove the current display signal, AVSC-5DA1-HDB
will detect all input signals with priority from INPUT 1 to INPUT 5. It will transfer the
signal first detected to be available to output devices.
NOTE: The auto-switching function works only when inputting a new signal, removing
a signal, or rebooting power. With any VGA port set to AV or YPbPr, the system
will be not able to enter in Auto-switching mode.
Operation Examples:
• Connect INPUT 2, INPUT 4, and INPUT 5 ports with source devices, select INPUT 4 to
output.
• Press and hold the front-panel key SOURCE/AUTO for 7 seconds or more to enter
auto-switching mode.
• When signals are not removed or new input is entered, the AVSC-5DA1-HDB works in
auto-switching mode (Output from INPUT 4).
• Connect INPUT 3 to a source device, and the scaler will choose INPUT 3 to output.
• Remove the INPUT 3 signal, and AVSC-5DA1-HDB will detect INPUT 1 to INPUT 5.
When it detects that input 2 is available, it will choose INPUT 2 to output.
• Cut off the power to the AVSC-5DA1-HDB, then reboot. Because AVSC-5DA1-HDB is
in auto-switching mode, it will choose INPUT 2 to output.
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Chapter 4: Operation
4.1.3 Adjusting the Volume
In the OSD menu, press VOL – to decrease line volume, VOL + to increase.
In the OSD menu, press MIC – to decrease MIC volume, MIC + to increase.
4.1.4 OSD Menu
Press the MENU button to enter in OSD menu and use the UP, DOWN, LEFT, RIGHT
buttons to navigate, then press the ENTER button to confirm the selection. You can also
use the MENU button to exit the present menu level by level until you exit the OSD
menu.
4.1.5 Updating the Software
AVSC-5DA1-HDB supports software updating via a USB flash drive.
4.2 IR Operation
4.2.1 IR Remote
An IR signal can be transmitted bi-directionally between AVSC-5DA1-HDB and
AVS-HDB-RX, so you can use the IR remote at the far-end to control AVSC-5DA1-HDB
or HDMI source devices (via CEC function buttons).
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Chapter 4: Operation
1. Standby button: Press this button to enter/exit
standby mode.
2. Input channel selection buttons: INPUT 1 is for
HDMI1, INPUT 2 for HDMI2…INPUT 5 for VGA2.
AUTO: Enable/disable auto-switching mode.
3. Volume adjustment buttons:
MIC-/+: turn down/up MIC volume
LINE-/+: turn down/up line volume
MIC MUTE: mute/unmute MIC audio
LINE MUTE: mute/unmute line audio
4. Menu operation buttons:
MENU: press to enter the OSD menu or return to
the previous menu;
EXIT: exit OSD menu.
OK: confirm button;
Navigation buttons: UP/DOWN/LEFT/ RIGHT button,
to set values or go to the next page,
You can also use buttons in area a in CEC mode to
enter the menu for an HDMI source device; P.P,
ZOOM, S.M: shortcut button, to select display
mode.
5. Resolution selection buttons:
To select resolution, press the corresponding
button.
AUTO: Enable/disable auto-switching mode.
6. CEC function buttons:
For HDMI input signal, which supports CEC only,
Including PLAY, PAUSE, STOP, MENU, REV (reverse)
and FWD (forward).
a. Buttons in section a also work when entered in CEC
mode.
Figure 4-2. Remote control.
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Chapter 4: Operation
4.2.2 IR Operation
The 5 IR OUT ports correspond to the 5 video inputs separately, and the IR signals are
switched following the corresponding video source.
1. Control the AVSC-5DA1-HDB or far-end display device locally using the corresponding
IR remote.
IR remote
IR receiver
AVS-HDB-RX
HDTV
DVD
HDTV
Figure 4-3. Control far-end device locally with IR remote.
2. Control the AVSC-5DA1-HDB or local device locally using the corresponding IR
remote.
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Chapter 4: Operation
DVD
HDTV
HDTV
IR remote
IR receiver
IR transmitter
AVS-HDB-RX
Figure 4-4. Control local device locally with IR remote.
4.3 CEC Operation
The AVSC-5DA1-HDB supports CEC, and it can be turned on/off by sending RS-232
commands or OSD menu options. The default setting is ON.
Commands pertaining to CEC: “50686%” (enable CEC) and “50687%” (disable CEC)
HDMI INPUT ports 1–3 support CEC. If the connected source devices also support CEC
and their CEC are on, users can control the source device via the IR remote of AVSC5DA1-HD B.
The working status related to CEC and STANDBY are shown on the next page.
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Chapter 4: Operation
Table 4-1. CEC and Standby.
Situation Working Status
CEC: on, Standby: on Press the STANDBY button on the IR remote, and AVSC-
5DA1-HDB enters standby mode, along with all HDMI
source devices.
Press the STANDBY button again on the IR remote, and
the AVSC-5DA1-HDB exits standby mode and the HDMI
source devices start working.
CEC: on, Standby: off Press the STANDBY button on the IR remote, and the
AVSC-5DA1-HDB enters standby mode and HDMI 1–3
source devices remain on.
CEC: on Use CEC function buttons, up-arrow, down-arrow, left-
arrow, right-arrow, and OK buttons on the IR remote to
control HDMI source devices. Menu buttons include play,
pause, fast forward, fast reverse, and operations.
CEC: off When CEC is set to off, you cannot control HDMI source
devices through the IR remote.
IR receiver
IR remote
DVD (signal source)
DVD (signal source) DVD (signal source)
Figure 4-5. CEC: Control HDMI source devices using the AVSC-5DA1-HDB’s IR remote.
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Chapter 4: Operation
4.4 RS-232 Control Operation
RS-232 can be transmitted bi-directionally between AVSC-5DA1-HDB and AVS-HDB-RX,
so you can control a third-party RS-232 device locally or control the AVSC-5DA1-HDB
remotely. When you want to control a third party RS-232 device, set the baud rate of
this device to 2400, 4800, 9600, 19200, 38400, 57600, or 115200.
4.4.1 RS-232 Control Software Installation
• Installation: Copy the control software file to the computer connected to the
AVSC-5DA1-HDB.
• Uninstallation: Delete all the control software files in the corresponding file path.
4.4.2 Basic Settings
Connect the AVSC-5DA1-HDB to all necessary all input and output devices, then
connect it to a computer that has RS-232 control software installed. Double-click the
software icon to run this software.
Accessing through Serial
1. Using the client, select “serial” and enter “115200” for the speed (baud rate).
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Chapter 4: Operation
Figure 4-1. PuTTY configuration screen using serial.
2. No username or password is required. Just press enter.
Set the COM number, baud rate, data bit, stop bit, and parity bit correctly so you can
send commands in the Command Sending Area of the screen.
NOTE: To control the AVS-HDB-WPTX via an RS-232 port, configure the communication
protocol parameters as: Baud rate: 9600; Data bit: 8; Stop bit: 1; Parity bit: none.
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Chapter 4: Operation
4.4.3 RS-232 Communication Commands
Communication protocol: RS-232 Communication Protocol
Baud rate: 9600
Data bit: 8
Stop bit: 1
Parity bit: none
Table 4-2. RS-232 commands.
Switch Commands
Command Function Feedback Example
50701% Switch to HDMI 1 input Switch to HDMI 1
50702% Switch to HDMI 2 input Switch to HDMI 2
50703% Switch to HDMI 3 input Switch to HDMI 3
50704% Switch to VGA 1/YPbPr 1/AV 1
input
Switch to VGA 1/YPbPr 1/AV 1
50705% Switch to VGA 2/YPbPr 2/AV 2
input
Switch to VGA 2/YPbPr 2/AV 2
50680% Select VGA 1 for INPUT 4 Input 4 Set and Switch to VGA 1
50681% Select YPbPr 1 for INPUT 4 Input 4 Set and Switch to AV 1
50682% Select AV 1 for INPUT 4 Input 4 Set and Switch to AV 1
50683% Select VGA 2 for INPUT 5 Input 5 Set and Switch to VGA 2
50684% Select YPbPr 2 for INPUT 5 Input 5 Set and Switch to YPbPr 2
50685% Select AV 2 for INPUT 5 Input 5 Set and Switch to AV 2
50785% Enable auto-switching Auto Switching
50786% Disable auto-switching Manual Switching
Audio Commands
Command Function Feedback Example
50600% MUTE line audio LINE Mute
50601% UnMute line audio LINE Unmute
50602% Line audio volume up LINE Volume: xx (xx= 0~60)
50603% Line audio volume down LINE Volume: xx (xx= 0~60)
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Chapter 4: Operation
Table 4-2 (continued). RS-232 commands.
Audio Commands (continued)
Command Function Feedback Example
50720% Mute LINE audio and MIC audio LINE Mute
MIC Mute
50721% Unmute LINE audio and MIC audio LINE Unmute
MIC Unmute
50722% Mute MIC audio MIC Mute
50723% Unmute MIC audio MIC Unmute
50694% Enable Mic precedence Mic precedence: enable
50695% Disable Mic precedence Mic precedence: disable
50696% Check Mic precedence status Mic precedence: XXXX (XXXX=
enable/disable)
50724% MIC volume up MIC Volume: xx (xx=0~60)
50725% MIC volume down MIC Volume: xx (xx=0~60)
508xx% Set MIC volume MIC Volume: xx (xx= 0~60)
50706% Choose embedded audio as HDMI
1 audio input
HDMI 1 Audio from Embedded
50707% Choose external audio as HDMI 1
audio input
HDMI 1 Audio from LINE
50708% Choose embedded audio as HDMI
2 audio input
HDMI 2 Audio from Embedded
50709% Choose external audio as HDMI 2
audio input
HDMI 2 Audio from LINE
50710% Choose embedded audio as HDMI
3 audio input
HDMI 3 Audio from Embedded
50 711% Choose external audio as HDMI 3
audio input
HDMI 3 Audio from LINE
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Chapter 4: Operation
Resolution Commands
Command Function Feedback Example
50619% Change the resolution to 1360 x
768 HD
Resolution: 1360 x 768
50626% Change the resolution to 1024 x
768 XGA
Resolution: 1024 x 768
50627% Change the resolution to 1280 x
720 720P
Resolution: 1280 x 720
50628% Change the resolution to 1280 x
800 WXGA
Resolution: 1280 x 800
50629% Change the resolution to 1920 x
1080 1080P
Resolution: 1920 x 1080
50620% Change the resolution to 1920 x
120 0 W UXGA
Resolution: 1920 x 1200
50621% Change the resolution to 1600 x
120 0 UXGA
Resolution: 1600 x 1200
Setup Commands
50604% Lock the front panel buttons Front Panel lock
50605% Unlock the front panel buttons Front Panel Unlock
501xx% Set the volume to xx. LINE Volume: xx (xx = 0–60)
502xx% Set the brightness to xx. Brightness: xx (xx = 0–99)
503xx% Set the contrast to xx. Contrast: xx (xx = 0–99)
504xx% Set the saturation to xx. Saturation: xx (xx = 0–99)
505xx% Set the sharpness to xx. Sharpness: xx (xx = 0–99)
50607% Adjust the color temperature Color Temperature: xx
(xx= Cool/Medium/Warm/User.)
50608% Set the aspect ratio Aspect Ratio: xx (xx= 16:9/4:3/
auto/ panorama/justscan/ zoom1/
zoom2, when the input source is
VGA format, xx can only be 4:3,
16:9 or Panorama)
50614% Set the picture mode Picture Mode: xx (xx= Dynamic/
Standard/Mild/User)
Table 4-2 (continued). RS-232 commands.
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Chapter 4: Operation
Setup Commands (continued)
Command Function Feedback Example
50615% Set SM audio mode Sound Mode: xx (xx= Standard/
Music/Movie/Sports/User)
50655% Freeze output image Freeze: enable
50656% Cancel the freezing of output
image
Freeze: disable
50646% Enable MIC Volume Icon display Volume Icon: enable
50647% Disable MIC Volume Icon display Volume Icon: disable
50648% Enable HDMI embedded audio
output
Embedded Audio Output: enable
50649% Disable HDMI embedded audio
output
Embedded Audio Output: disable
50761% Do not display mute icon of LINE
audio
LINE Mute Icon: disable
50762% Display mute icon of LINE audio LINE Mute Icon: enable
50763% Do not display mute icon of MIC
audio
MIC Mute Icon: disable
50764% Display mute icon of MIC audio MIC Mute Icon: enable
50765% Display freeze icon Freeze Icon: enable
50766% Do not display freeze icon Freeze Icon: disable
50644% Display channel status Input Icon: enable
50645% Do not display channel status Input Icon: disable
50650% Check the channel status Input Icon: xx
50606% Auto-adjust the input parameter
(VGA only)
VGA Input Auto
50699% Check the system version Version Vx.x.x
50688% Enable MIC noise detecting MIC detect: enable
50689% Disable MIC noise detecting MIC detect: disable
50690% Check MIC noise detecting status MIC detect: XXXX
Table 4-2 (continued). RS-232 commands.
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Chapter 4: Operation
Setup Commands (continued)
Command Function Feedback Example
50767% Restore default EDID EDID: initial
50768% Bypass EDID data from output to
input
EDID: bypass
50769% Upload custom EDID data to the
switcher
EDID: user
50770% Inquire EDID status EDID: initial
EDID: bypass
EDID: user
50782% EDID management, copy the best
resolution data of one output to
HDMI input
Manage HDMI input with prefered
timing
timing table=[1]
Resolution:1920x1080
50787% Enable serial control mode 1: con-
trol Scaler and far-end from local
RS232
RS-232 Mode 1: RS-232 Control
Scaler and Remote
50788% Enable serial control mode 2: con-
trol Scaler from local RS232 and
far-end)
RS-232 Mode 2: RS-232 and
Remote Control Scaler
50697% Exit standby mode Wake up!
50797% Enter standby mode Go to standby!
50698% Software update
50617% Reset to factory defaults Factory Reset
Table 4-2 (continued). RS-232 commands.
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Chapter 4: Operation
Menu Commands
Command Function Feedback Example
50609% OK for OSD selection Key: ok
50610% LEFT button Key: left
50 611% RIGHT button Key: right
50612% UP button Key: up
50613% DOWN button Key: down
50616% MENU button (enter OSD) OSD: Enter
50618% EXIT button (exit OSD) OSD: Exit
Inquire Commands
Command Function Feedback Example
50630% Check the volume level LINE Volume: xx (xx= 0~66)
MIC Volume: xx (xx=0~66)
50631% Check the input source Input: xx (xx= HDMI1/HDMI2/
HDMI3/VGA1/VGA2/YPbPr1/
YPbPr2/AV1/ AV2)
50632% Check the output resolution Resolution: xx (xx=1920×1200/
1920 ×108 0 / 160 0 ×120 0 / 1360
×768/ 1280×800/ 1280×720/
1024×768
50633% Check the image mode Picture Mode: xx (xx= Dynamic/
Standard/ Mild/ User)
50634% Check the audio mode Sound Mode: xx (xx= Standard/
Music/ Movie/ Sports/ User)
50635% Check the image aspect ratio Aspect Ratio: xx (xx= 16:9/ 4:3/
auto/ panorama/ justscan/ zoom1/
zoom2, when the input source is
VGA format, xx can only be 4:3,
16:9 or Panorama)
50636% Check the brightness Brightness: xx (xx = 0–99)
50637% Check the contrast Contrast: xx (xx = 0–99)
50638% Check the saturation Saturation: xx (xx = 0–99)
50639% Check sharpness Sharpness: xx (xx = 0–99)
Table 4-2 (continued). RS-232 commands.
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Chapter 4: Operation
Table 4-2 (continued). RS-232 commands.
Inquire Commands (continued)
Command Function Feedback Example
50783% Display function
50640% Check the color temperature Color Temperature: xx
(xx = Cool/Medium/Warm/User.)
50651% Check Volume Icon display status Volume Icon: xxxx
50652% Check Digital audio output status Embedded Audio Output: enable/
disable
50712% Check the audio input sources for
HDMI 1, 2, 3
HDMI1 Audio from XXXX port
HDMI2 Audio from XXXX port
HDMI3 Audio from XXXX port
50751% Check whether the LINE audio is
muted or not
LINE Mute/Unmute
50752% Check whether the MIC audio is
muted or not
MIC Mute/Unmute
50753% Check the freeze status Freeze: enable/disable
50754% Check the panel locked status Front Panel Lock/UnLock
Adjustment Commands
Command Function Feedback Example
50678% Enable screen output adjusting Enter Output Position Adjust
50679% Disable screen output adjusting Exit Output Position Adjust
50670% Move the image to left Output Position Adjust X xx
50671% Move the image to right Output Position Adjust X xx
50672% Move the image up Output Position Adjust Y XX
50673% Move the image down Output Position Adjust Y xx
50674% Stretch left from left side (increase
image width)
Output Width Adjust xx
50675% Pull right from left side (decrease
image width)
Output Width Adjust xx
50676% Stretch upwards from bottom side
(decrease image height)
Output Height Adjust xx
50677% Stretch downwards from bottom
side (increase image height)
Output Height Adjust xx
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Chapter 4: Operation
Table 4-2 (continued). RS-232 commands.
Adjustment Commands (continued)
Command Function Feedback Example
50730% Turn off HDMI output HDMI power off
50731% Turn on HDMI output HDMI power on
50732% Turn off HDBT output HDBT power off
50733% Turn on HDBT output HDBT power on
50734% Turn on HDMI and HDBT output
synchronously
HDMI HDBT power on
CEC Commands
Command Function Feedback Example
50687% Disable CEC HDMI CEC OFF
50686% Enable CEC HDMI CEC ON
50901% Play and pause CEC cmd: play and pause
50902% Stop CEC cmd: stop
50903% Menu CEC cmd: menu
50904% Retreat CEC cmd: rev
50905% Forward CEC cmd: fwd
50906% Up CEC cmd: up
50907% Down CEC cmd: down
50908% Left CEC cmd: left
50909% Right CEC cmd: right
50910% Confirm command CEC cmd: select
50 911% Exit command CEC cmd: exit
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Chapter 4: Operation
NOTES:
1. Screen output adjusting is available only when the screen output adjusting is on.
Send command 50678% to turn this on.
2. CEC commands with a gray background are available only when CEC is on.
3. MIC precedence: In Mute mode, if the MIC noise detection is on, the device will
unmute MIC automatically if the outer noise exceeds the noise detection limit. Send
50696% to enable MIC precedence, then the device will not be able to change the
mute mode no matter how loud the noise is.
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Chapter 4: Operation
4.4.4 Control AVSC-5DA1-HDB or a Third-Party Device Locally
1. Connect the AVSC-5DA1-HDB’s RS-232 port to the PC’s RS-232 port.
2. Send command 50787% (serial control mode 1, factory default) via RS-232
communication software.
3. Send the right command of AVSC-5DA1-HDB or other remote RS-232 device
connected in the present system. Connect as shown below:
PC
3rd-party
AVS-HDB-RX
Figure 4-8. Control AVSC-5DA1-HDB or third-party device locally.
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Chapter 4: Operation
4.4.5 Control AVSC-5DA1-HDB from Local or Remote
• Control AVSC-5DA1-HDB locally.
1. Connect the AVSC-5DA1-HDB’s RS-232 port to the PC’s RS-232 port.
2. Send command 50788% via RS-232 communication software.
3. Send the right command to control AVSC-5DA1-HDB. Connect as below:
PC
Figure 4-9. Control AVSC-5DA1-HDB locally.
1. Connect the RS-232 port of far-end RS-232 device to the PC’s RS-232 port.
2. Send command 50788% via RS-232 communication software.
3. Send the right command to control AVSC-5DA1-HDB. Connect as below:
AVS-HDB-RX
PC
Figure 4-10. Control AVSC-5DA1-HDB remotely.
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Chapter 4: Operation
4.5 OSD Menu Operation
The AVSC-5DA1-HDB provides a powerful OSD operation menu that contains four
parts: optional settings, image settings, audio settings, and system settings.
Press the MENU button on front panel (or the MENU button on IR remote or send command 50616%) to enter in OSD menu, so it can set values through the OSD menu.
4.5.1 Option
Options include Output Adjust, Input 4/5 Select, HDMI 1/2/3 Audio select, and
Software Update (USB).
Figure 4-11. OSD Menu.
Output Adjust: Adjust output image position (X: horizontal direction and Y: vertical
direction), ratio aspect (width and height), polarity adjustment (H Polarity and V
Polarity) and output setting (HDMI on/off and HDB on/off).
Input4 Select: Select the video source format for VGA input, including AV 1 (C-video
signal), VGA 1 (VGA signal) and YPbPr 1 (Component video signal). Press ENTER to
switch among the options, and press Input 4 on the IR remote to confirm the selection.
Input5 Select: Select the video source for VGA input, including AV 2 (C-video signal),
VGA 2 (VGA signal) and YPbPr 2 (Component video signal). Press ENTER to switch
among the options, and press Input 5 on the IR remote to confirm the selection.
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Chapter 4: Operation
For INPUT4 and INPUT5, to change to a new format signal:
1. Select a format through this menu (the signal format changes while the video source
is still the same).
2. Switch off the present signal channel (e.g. switch to another channel).
3. Switch to channel INPUT4/INPUT5 again.
HDMI1 Audio Select: switch between Embedded and Line to choose the desired audio
output port for HDMI1.
HDMI2 Audio Select: switch between Embedded and Line to choose the desired audio
output port for HDMI2.
HDMI3 Audio Select: switch between Embedded and Line to choose the desired audio
output port for HDMI3.
Software Update (USB): Insert the USB flash disk with update file into the USB port of
AVSC-5DA1-HDB, to update the software through this menu.
4.5.2 Picture
The menu includes Picture Mode, Color Temperature, Aspect Ratio, Noise Reduction,
Screen and Color Range.
Figure 4-12. Picture menu option.
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Chapter 4: Operation
Picture mode: Includes Dynamic, Standard, Mild, and User. You can set the image contrast and brightness only in User mode.
Color Temperature: Includes Cool, Medium, Warm, and User. Set to Red, Green and
Blue (RGB) only in User mode.
Aspect Ratio: Includes Native, 4:3, 16:9, Zoom1, Zoom2, Just Scan, and Panorama. VGA
format only supports 4:3, 16:9 and Panorama.
Noise Reduction (not for VGA format): Includes Off, Low, Middle, High, and Default.
Screen: (not for HDMI source): Includes Auto Adjust, Horizontal, Vertical, Size, and
Phase.
Color Range (not for VGA format): 0–255; use the ENTER button to select the color
range.
4.5.3 Sound
The Sound menu includes Sound Mode, Surround Sound, and EQ.
Figure 4-13. Sound menu.
Sound mode: Includes Standard, Music, Movie, Sports, and User. You can set treble and
bass only in User mode.
Surround Sound: Includes Off, Surround, and SRS Trusurround XT.
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Chapter 4: Operation
EQ: Adjusts the sound balance.
4.5.4 Setup
The Setup menu includes OSD Language, Restore Factory Default, Blending, HDMI CEC,
OSD Duration, and version inquiry.
Figure 4-14. Setup menu.
OSD Language: Supports 14 languages, including English (default), Chinese, etc.
Restore Factory Default: Restores settings to original system state.
Blending: Includes Low, Middle, High, and Off. Use the ENTER button to select.
HDMI CEC: Enable/disable CEC and auto-standby function. Default: CEC on, STANDBY
on.
OSD Duration: Includes 5 s, 10 s, 15 s and Off. “s” is for Second.
VERSION: Displays software version.
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Chapter 4: Operation
4.6 VGA Converter Cable
Because a VGA source supports YPbPr and C-video source, the AVSC-5DA1-HDB
includes two VGA converter cables that comply with these signals.
To select these VGA signals as the input source, switch to channel INPUT 4 (or INPUT
5), and then set the signal type in OSD. Switch to the other input channel and connect
INPUT 4 (or INPUT 5) to the corresponding source device. Then switch to INPUT4 (or
INPUT 5) again.
Connect to a Component Video (YPbPr) Source
A. Operation Examples:
1. Via front panel buttons and OSD:
Press the MENU button on front panel to enter the OSD, and then in the OPTION setting menu: set “INPUT 4 Select” to YPbPr1, and “INPUT 5 Select” to YPbPr2. Press the
SOURCE/AUTO button on front panel to switch to YPbPr1 or YPbPr2 source.
2. Via RS232 commands:
Send command 50681% (or 50684%) to switch to YPbPr1 (or YPbPr2) source.
3. Via IR remote and OSD:
Press the MENU button on the IR remote to enter the OSD, and then in OPTION setting
menu, set “INPUT 4 Select” to YPbPr1 and “INPUT 5 Select” to YPbPr2. Press INPUT 4
(or INPUT 5) button to switch to a YPbPr1 (or YPbPr2) source.
Figure 4-15. VGA converter cable connected to YPbPr.
Connect to a Composite Video (C-VIDEO) Source
A. Operation Examples:
1. Via front panel buttons and OSD:
Press the MENU button on the front panel to enter the OSD, then enter the OPTION
setting menu and set “INPUT 4 Select” to AV1, and “INPUT 5 Select” to AV2. Press the
SOURCE/AUTO button on the front panel to switch to the AV1 or AV2 source.
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Chapter 4: Operation
2. Via RS-232 commands:
Send the 50682% (or 50685%) command to switch to a YPbPr1 (or YPbPr2) source.
3. Via IR remote and OSD:
Press the MENU button on the IR remote to enter the OSD, then in OPTION setting
menu, set “INPUT 4 Select” to AV1, and “INPUT 5 Select” to AV2. Press INPUT 4 (or
INPUT 5) button to switch to AV1 (or AV2) source.
Figure 4-16. VGA convertor cable connected to C-Video.
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Chapter 5: Troubleshooting and Maintenance
5. Troubleshooting and Maintenance
Table 5-1. Problems, Causes, Solutions.
Problems Causes Solutions
Output image has snowflake pattern.
The connecting cable’s quality
is bad.
Failed or loose connection.
Try another high-quality
cable.
Make sure the connection
is good.
No output image when
switching.
No signal at the input/output
end.
Failed or loose connection.
The scaler is broken.
Check with oscilloscope
or multimeter if there is
any signal at the input/
output end.
Make sure the connection
is good.
Contact Black Box
Technical Support
at 724-746-5500 or info@
blackbox.com.
POWER indicator doesn’t
work or does not
respond to any operation.
Power cord connection failed. Make sure the power
cord connection is good.
EDID management does
not work normally.
The HDMI cable is broken at
the output end.
Change to another HDMI
cable that is in good
working condition.
There is a blank screen
on the display when
switching.
The display does not support
the resolution of the video
source.
Manage the EDID data
manually to make the resolution of the video
source automatically comply with the output resolution.
Static becomes stronger
when connecting the
video connectors.
Bad grounding. Check the grounding and
make sure it is
connected well.
Page 49
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724-746-5500 | blackbox.com
Chapter 5: Troubleshooting and Maintenance
Table 5-1 (continued). Problems, Causes, Solutions.
Problems Causes Solutions
Cannot control the
device by a control
device (e.g. a PC)
through the RS-232
port.
Wrong RS-232 communication
parameters.
Broken RS-232 port.
Type in correct RS-232
communication
parameters.
Contact Black Box
Technical Support
at 724-746-5500 or
info@blackbox.com.
Cannot control the
device by the front-panel
buttons, but can control
it through the RS-232
port.
The front panel buttons are
locked.
Send command 50605%
to unlock the front panel
buttons.
Cannot control the
device by RS-232/IR
remote/front panel
buttons.
The device is broken. Contact Black Box
Technical Support
at 724-746-5500 or
info@blackbox.com.
Page 50
Page 50
724-746-5500 | blackbox.com
NOTES
Page 51
Page 51
724-746-5500 | blackbox.com
NOTES
Page 52
Black Box Tech Support: FREE! Live. 24/7.
Tech support the
way it should be.
Great tech support is just 60 seconds away at
724-746-5500 or blackbox.com.
724-746-5500 | blackbox.com
AVSC-5DA1-HDB, version 1
About Black Box
Black Box provides an extensive range of networking and infrastructure products. You’ll find
everything from cabinets and racks and power and surge protection
products to media converters and Ethernet switches all supported by free, live 24/7
Tech support available in 60 seconds or less.
© Copyright 2015. Black Box Corporation. All rights reserved. Black Box® and the Double Diamond logo
are registered trademarks of BB Technologies, Inc. Any third-party trademarks appearing in this manual
are acknowledged to be the property of their respective owners.
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