Gefen Switch GTV HDMI13 441N User Manual

4X1 Gefen TV Switcher  
GTV-HDMI1.3-441N  
User Manual  
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CONTENTS  
1
Introduction  
2
Operation Notes  
Features  
3
4
Panel Layout  
5
Panel Descriptions  
IR Remote Description  
IR Remote Installation  
6
7
8
IR Remote Conguration  
9
Changing the IR Channel  
10  
10  
11  
11  
12  
12  
13  
15  
16  
Connecting and Operating the GefenTV 4x1 Switcher for HDMI 1.3  
Wiring Diagram  
Controlling the GefenTV 4x1 Switcher for HDMI 1.3  
Automatic Switching  
RS-232 Serial Control  
Settings  
Commands  
Specications  
Warranty  
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INTRODUCTION  
Congratulations on your purchase of the 4x1 GefenTV Switcher. Your complete  
satisfaction is very important to us.  
GefenTV  
GefenTV is a unique product line catering to the growing needs for innovative  
home theater solutions. We specialize in total integration for your home theater,  
while also focusing on going above and beyond customer expectations to ensure  
you get the most from your hardware. We invite you to explore our distinct  
product line and hope you nd your solutions.. Don’t see what you are looking for  
here? Please call us so we can better assist you with your particular needs.  
The GefenTV Switcher  
The GefenTV 4x1 Switcher for HDMI with RS232 switches between any of four  
Hi-Def sources to one HDTV display. Resolutions up to 1080p Full HD with  
multichannel digital audio are supported. 3D content can be displayed when  
connecting a 3DTV and 3D source. The front panel LEDs show the currently  
selected source. This 4x1 Switcher has an auto-switching feature: If a new  
source is connected or turned on, the Switcher will automatically switch to that  
input. The 4x1 Switcher will revert to the previous input once the current device is  
turned off or disconnected. Any of the four Hi-Def sources can be selected by the  
push-button, IR remote control, or using the RS-232 control.  
How It Works  
Connect up to four HDMI sources to the GefenTV 4x1 Switcher for HDMI with  
RS232 using the supplied cables. Connect the HDTV display to the HDMI output.  
Connect the 5V power supply to the 4x1 Switcher. Apply power to the source  
devices and the display. The Hi-Def source is displayed and will follow the current  
switching selection.  
1
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OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING OR  
OPERATING THE 4X1 GEFEN TV SWITCHER  
This product has an auto-switching feature: If a new source is connected  
or turned on, the Switcher will automatically switch to that input. The 4x1  
Switcher will revert to the previous input once the current device is turned off  
or disconnected. Any of the four Hi-Def sources can be selected by using the  
push-button, IR remote control, or using the RS-232 control.  
®
2
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FEATURES  
HDMI 1.3 Features  
225 MHz (up to 12-bit YUV 444 @ 1080p)  
Deep Color  
Dolby TrueHD and DTS HD Master Audio  
Lip-Sync  
CEC Pass-Through  
Features  
Supports resolutions up to 1080p Full HD and 1920x1200  
3DTV Pass-Through  
Supports LPCM 7.1 audio, Dolby Digital Plus, Dolby TrueHD, and DTS-HD  
Master Audio  
Local Switching / Auto-Switching feature  
RS-232 control  
IR remote control  
Supports DVI sources and DVI displays with an HDMI-to-DVI adapter  
Energy Star Compliant  
Package Includes  
(1) GefenTV 4x1 Switcher for HDMI with RS232  
(4) 6 ft. HDMI cable (M-M)  
(1) 6 ft. DB9 Serial Cable (M-F)  
(1) IR Remote Control unit  
(1) 5V DC Power Supply  
(1) User Manual  
3
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PANEL LAYOUT  
Front Panel  
2
3
4
®
1
Back Panel  
5
10  
6 7  
8
9
4
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PANEL DESCRIPTIONS  
1
2
IR Sensor  
Receives signals from the IR Remote Control.  
Power Indicator  
This LED will turn bright red once the locking power supply has been properly  
connected.  
3
4
Input Indicators (HDMI In 1 - HDMI In 4)  
Displays the current input of the 4x1 Switcher.  
Enhance Indicator  
This LED indicates that EQ (Pre-Emphasis) is active.  
5
RS-232 Serial Port (Output)  
Connects to the RS-232 control device. The 4x1 may be switched remotely  
using this port. See page 12 for details.  
6
7
EQ (Pre-Emphasis) Button  
Use this button to improve the signal over long cable distances.  
Select Button  
Used to select the input source.  
8
9
HDMI Output Port  
Connect an HDTV display to this HDMI port.  
HDMI Input Ports (4)  
Connect a Hi-Def source to these ports.  
10 5V DC Power Connector  
Connects the included 5V DC power supply to this receptacle.  
5
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IR REMOTE DESCRIPTION  
RMT-4IR Remote  
1
2
1
2
Activity Indicator  
This LED will be activated momentarily each time a button is pressed.  
Input Source Selection Buttons (1 - 4)  
These buttons are used to select which input source is routed to the  
HDTV display.  
6
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IR REMOTE INSTALLATION  
Installing the IR Remote Control Battery  
1. Remove the battery cover on the back of the IR Remote Control unit.  
2. Insert the included battery into the open battery slot. The positive (+) side of  
the battery should be facing up.  
3. Replace the battery cover.  
The Remote Control unit ships with two batteries. One battery is required for  
operation and the other battery is a spare.  
Battery Slot  
7
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IR REMOTE CONFIGURATION  
Resolving IR Code Conicts  
In the event that IR commands from other remote controls conict with the  
supplied IR remote control unit, changing the remote channel will alleviate this  
issue. The IR remote control unit has a bank of DIP switches for setting the  
remote IR channel.  
The DIP Switch bank on the IR remote control unit is located underneath the  
battery cover.  
DIP Switches  
It is important that the IR channel selected on the remote, match the IR channel  
on the GefenTV 4x1 Switcher for HDMI 1.3 for proper operation. For example, if  
you set both DIP switches on the remote to the down position (toward the “1” and  
“2”), IR channel 0, you must set the GefenTV 4x1 Switcher for HDMI 1.3 to use  
IR channel 0.  
Remote Channel 0:  
Default  
Remote Channel 1:  
1
2
1
2
Remote Channel 2:  
Remote Channel 3:  
1
2
1
2
See page 9 for information on how to change the IR channel on the GefenTV 4x1  
Switcher for HDMI 1.3.  
8
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CHANGING THE IR CHANNEL  
Setting The IR Channel  
Use the following procedure to set the proper IR channel on the Switcher.  
1
Press and hold the EQ button for approximately 5 seconds to enter the IR  
channel selection mode. The currently selected IR channel will by indicated  
by a ashing blue LED on the Input Indicators (page 5).  
2
Press the Select button to cycle through each IR channel.  
IMPORTANT: The selected IR channel must be the same as the IR channel  
set on the IR Remote (see page 8). Refer to the table below for setting the  
IR channel.  
3
Once the proper IR channel has been selected, press the EQ button to  
conrm and exit the IR channel selection mode. The currently selected input  
source will now be indicated.  
IR Channel Table  
Input LED  
IR Channel  
1
2
3
4
0
1
2
3
9
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CONNECTING AND OPERATING THE  
GEFENTV 4X1 SWITCHER FOR HDMI1.3 WITH RS232  
How to Connect the 4x1 GefenTV Switcher  
1. Use the provided HDMI cables to connect the source devices to the HDMI  
input port of the GefenTV 4x1 Switcher for HDMI 1.3.  
2. Use an additional HDMI cable to connect an HDTV to the Output on the  
Switcher.  
3. Connect the included 5V DC locking power supply to the power receptacle  
on the Switcher.  
4. Connect the other end of the power supply to an available power outlet.  
Wiring Diagram for the GefenTV 4x1 Switcher for HDMI 1.3  
HDMI CABLE  
RS-232 CABLE  
HDMI So
HDMI
HDMI S
HDMI Display  
HDMI So
HDMI Switcher  
GTV-HDMI1.3-441N  
RS-232 Controller  
10  
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CONTROLLING THE THE GEFENTV  
4X1 SWITCHER FOR HDMI1.3 WITH RS232  
How to control the GefenTV 4x1 Switcher for HDMI 1.3  
There are three ways to control the GefenTV 4x1 Switcher for HDMI with RS232:  
1. Use the IR Remote Control Unit to select the current source. Each  
corresponding to a numbered source connected on the back of the Switcher. The  
corresponding source will be shown on the display.  
2. Press the Select button on the rear of the unit to cycle through each input  
source.  
3. Send RS-232 commands to the serial port on the rear panel via computer or a  
control automation device. Page 12 for details.  
Automatic Switching  
The GefenTV 4x1 Switcher for HDMI 1.3 has an auto-switching feature: If a new  
source is connected or turned on, the Switcher will automatically switch to that input.  
The 4x1 Switcher will revert to the previous input once the current device is turned  
off or disconnected. The remote and input select button will always allow you to  
switch manually. The IR Remote Control Unit will switch discretely to any input,  
while the Select button will allow you to toggle between inputs.  
11  
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RS-232 SERIAL CONTROL  
5 4 3 2 1  
9 8 7 6  
1 2 3 4 5  
6 7 8 9  
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface  
This feature allows for easy long-distance control by computer or integration into  
automated systems capable of transmitting RS-232 commands. Please use the  
settings listed below to congure the RS-232 port of the controlling device.  
Transmitting appropriate numeric ASCII characters will simulate key presses on  
the RMT-4IR remote control. All possible control actions are shown as follows:  
Table of Commands and Results  
ASCII  
RMT-4IR  
Button  
Binary  
Result  
1
2
3
4
1
2
3
4
0011 0001  
0011 0010  
0011 0011  
0011 0100  
Selects Input 1  
Selects Input 2  
Selects Input 3  
Selects Input 4  
RS-232 Settings  
Bits per second ................................................................................................. 19200  
Data bits .................................................................................................................... 8  
Parity .................................................................................................................. None  
Stop bits .....................................................................................................................1  
Flow Control ....................................................................................................... None  
12  
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RS-232 SERIAL CONTROL  
Commands  
These commands are not case-sensitive.  
Command  
Description  
A
N
S
V
Enable Auto-Switching  
Disable Auto-Switching  
Get System Status  
Displays Firmware Version  
Command Descriptions:  
A Command  
The A command enables auto-switching. The Switcher will automatically switch  
to the last source device that was powered on.  
Syntax:  
a
Parameters:  
None  
N Command  
The N command disables Auto-Switching.  
Syntax:  
n
Parameters:  
None  
13  
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RS-232 SERIAL CONTROL  
S Command  
The S command displays the current routing status of the Switcher. The S com-  
mand will also display the current auto-switching status (A or N). Please see the  
examples below the syntax description.  
Syntax:  
s
Parameters:  
None  
Examples:  
s
2A  
In the rst example above, 2Aindicates that Input 2 is selected and Auto  
Switching Mode is active.  
s
3N  
In the second example above, 3Nindicates that Input 3 is selected and Auto  
Switching Mode is not active.  
V Command  
The V command returns the rmware version.  
Syntax:  
v
Parameters:  
None  
14  
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SPECIFICATIONS  
Video Amplier Bandwidth ........................................................................225 MHz  
Input Video Signal .............................................................................. 1.2 Volts p-p  
Input DDC Signal ......................................................................... 5 Volts p-p (TTL)  
HDMI Input Connectors ..........................................(4) HDMI Type A 19 pin female  
HDMI Output Connector ............................................. HDMI Type A 19 pin female  
RS-232 Interface................................................................................ DB9 female  
Power Supply .............................................................................................. 5V DC  
Power Consumption ...................................................................... 10 Watts (max.)  
Operating Temperature............................................................................. 0 - 40 °C  
Dimensions ...................................................................... 6.9" W x 2.1" H x 6.9" D  
Shipping Weight ............................................................................................. 5 lbs  
15  
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WARRANTY  
Gefen warrants the equipment it manufactures to be free from defects in material  
and workmanship.  
If equipment fails because of such defects and Gefen is notied within two (2)  
years from the date of shipment, Gefen will, at its option, repair or replace the  
equipment, provided that the equipment has not been subjected to mechanical,  
electrical, or other abuse or modications. Equipment that fails under conditions  
other than those covered will be repaired at the current price of parts and labor in  
effect at the time of repair. Such repairs are warranted for ninety (90) days from  
the day of reshipment to the Buyer.  
This warranty is in lieu of all other warranties expressed or implied, including  
without limitation, any implied warranty or merchantability or tness for any  
particular purpose, all of which are expressly disclaimed.  
1. Proof of sale may be required in order to claim warranty.  
2. Customers outside the US are responsible for shipping charges to and from  
Gefen.  
3. Copper cables are limited to a 30 day warranty and cables must be in their  
original condition.  
The information in this manual has been carefully checked and is believed to  
be accurate. However, Gefen assumes no responsibility for any inaccuracies  
that may be contained in this manual. In no event will Gefen be liable for  
direct, indirect, special, incidental, or consequential damages resulting from  
any defect or omission in this manual, even if advised of the possibility of such  
damages. The technical information contained herein regarding the features and  
specications is subject to change without notice.  
For the latest warranty coverage information, refer to the Warranty and Return  
PRODUCT REGISTRATION  
Please register your product online by visiting the Register Product page  
under the Support section of the Gefen Web site.  
16  
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Rev A3  
20600 Nordhoff St., Chatsworth CA 91311  
1-800-545-6900 818-772-9100 fax: 818-772-9120  
Pb  
This product uses UL listed power supplies.  
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