RGBlink GX4 User manual

GX4 Quick Start
● Dedicated RGBlink Subito™ Quatro Sender
● Support for up to 2.6 mega pixels
● Seamless witching between any input
● Picture-in-Picture (PIP)
● Transition effects
● RGBlink instant TAKE with pre-Sync
● Audio controls
● Support for additional input options
● EDID management on board
● On board test patterns
● Support for multi-device cascade
● Compact 1U footprint

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Content
Overview.................................................................................................................................................................... 2
Packing Configuration..............................................................................................................................................3
Hardware Orientation...............................................................................................................................................4
Front Panel.......................................................................................................................................................... 4
Rear Panel............................................................................................................................................................5
Menu Tree........................................................................................................................................................... 6
USE YOUR PRODUCT ...............................................................................................................7
LED Configuration................................................................................................................................................7
Output............................................................................................................................................................... 10
Input.................................................................................................................................................................. 15
Transition...........................................................................................................................................................17
Audio................................................................................................................................................................. 17
Split....................................................................................................................................................................18
System............................................................................................................................................................... 19
Language........................................................................................................................................................... 20
Factory Reset.....................................................................................................................................................20
【TAKE】Button................................................................................................................................................21
【PIP】Button...................................................................................................................................................23
【SCALE】Button..............................................................................................................................................24
【FREEZE】Button............................................................................................................................................25
【BRI】Button.................................................................................................................................................. 25
【SAVE】Button................................................................................................................................................26
【LOAD】Button...............................................................................................................................................27
Load LED Configuration File.............................................................................................................................. 28
CONTACT INFORMATION...................................................................................................................................31

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Overview
GX4 is an video processor integrated with RGBLink LED control system-Subito. Subito provides 2.3
mega pixels display up to horizontal 3840 pixels or vertical 2048 pixels, through 4 RJ45 ports.
GX4 supports DVI output resolution at 2048x1152@60 and offers multiple test pattern output resolution
options. Beside standard with a 1 HDMI (with loop), 1 CVBS, 1 VGA, 1 DVI and 1 pair of Audio analog
connectors, it also comes with two empty module slots for any single input modules selecting from
HDMI,DP,DVI,SDI,VGA,CVBS and USB modules. Capability of support any input makes GX4 have
features of PIP (dual pictures) , synchronized video with audio control and seamless switching
betweeen different inputs. Moreover Extended Display Identification Data(EDID management) make
sure display perfectly spot to spot.
GX4 SYSTEM CONNECTION DIAGRAM
System Connection
RGBlink offers solutions to demanding technical problems. Any application questions, or required further
information, please contact with our customer Support Engineers.

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Packing Configuration
Note:
AC Power Cable supplied as standard according to destination market.
AC Power Cord
USB Cable
HDMI to DVI
Cable
Anti-Static Bag

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Hardware Orientation
Front Panel
Front panel
Show operation and menu items
Menu and back button
Confirm ,Select button and volume
adjust ,functioned by pushing and
spinning,
Optional Input module selection area
OK button
Select CVBS input signal, digit 6
Save current settings as preset
Select VGA and YPbPr input signal, digit 7
Freeze current screen, digit 1
Select HDMI input signal, digit 8
Scale button, digit 2
Select DVI input signal, digit 9
Picture in picture, digit 3
Select SDI input signal, digit 0
Full screen, digit 4
Switch mode
Image adjustment, digit 5
Load the saved setting

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Rear Panel
INPUT CONNECTORS
OUTPUT CONNECTORS
1
Optional SDI in and SDI loop
8
Audio Output
2
1 slot for optional single input
9
DVI Output
3
VGA input
10
Subito Sender
4
CVBS Input
CONTROL PORT
5
HDMI In/Loop
6
DVI input
13
USB-A
7
Audio input
RS232
POWER
11
Power switch
12
Power IEC-3

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Menu Tree

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USE YOUR PRODUCT
LED Configuration
GX4 is built in Subito Sender which can control LED screen with RBGLink receivers.
Here is the led configuration sub-menu.
1. QUICK CONNECT
1.1 SEND CARD SET
X,Y : the horizontal and vertical position of the
display that the Sender card control the
on LED scressn
One port of Subito Sender can control
650K pixels. If a LED screen is under 650K pixels
X,Y can be 0.
X maximum 1920
Y maximum 1080
SAVE SENDER CARD: save the X,Y setting to sender card.
RESET SEND CARD: reset sender card if parameters set above is not proper.
1.2 RECEIVE CARD SET
CHOOSE CABLE:choose the output LAN port on the
Sender. There are 4 ports available.
HORIZONTAL CARD: how many receive cards needed
to receive the data that the chosen sender
port offer
WIDTH: width of each led cabinet
>QUICK CONNECT >>
ADVANCED >>
>SEND CARD SET >>
RECEIVE CARD SET >>
RESET ALL CARD
>X
Y
SAVE SENDER CARD
RESET SENDCARD
>CHOOSE CABLE 4
HORIZONTAL CARD 0
VERTICAL CARD 0
WIDTH 64
HEIGHT 64

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HEIGHT:height of each led cabinet
HOR OFFSET: horizontal offset, -1-4095
VER OFFSET: vertical offset,-1-4095
CONNECT TYPE: the connection type of led cabinet. There are 8 types available .
SAVE RECEIVER CARD: save setting above to receiver card.
1.3 RESET ALL CARD: reset all sender card and receiver card.
2. ADVANCED
2.1 COLOR TEMP: color temperature adjustment
for led screen
RED,GREEN,BLUE: value range from 0 to 255
SENDER CARD GAMMA:value from range
from 0.0 to 9.9
SAVE TO SENDER CARD: save above setting to
sender card
2.2 SYSTEM INFO: system of sender version
2.3 OSD CONTROL
OSD ENABLE: ON or OFF
CONTENT: POSITION or STATE
TEMP MODE: Fahrenheit or Celsius
2.4 CLS SWITCH:Clean LED screen Switch when the switch is ON, the LED screen will be black.
2.5 LOCK SWITCH: lock the Led screen, when the it is ON, the led screen will be frozen.
>HOR OFFSET 0
VER OFFSET 0
CONNECT TYPE >>
SAVE RECEIVER CARD
>COLOR TEMP >>
SYSTEM INFO >>
OSD CONTROL >>
TEST MODE >>
CLS SWITCH >>
>RED 255
GREEN 255
BLUE 255
SENDCARD GAMMA 2.8
SAVE TO SENDER CARD
>OSD ENABLE ON
CONTENT POSITION
TEMP MODE F
>LOCK SWITCH OFF

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3. CONFIG FILE
Users can load LED configuration files from LED manufacturers to the GX4 devices by XTOOL. There are 15 manufacturers items in
the sub-menu and each manufacture can store 16 files. 270 files in total allow to be loaded.
4. OUT BRIGHT
Output brightness to adjust the brightness of LED screen, value ranging from 0-255
>CHOOSE CABLE 3
PREINSTALL FILE >>

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Output
1. OUTPUT INFO: show current input information
2. OUTPUT FORMAT
2.1 STANDARD: standard output resolution, 26
types available to choose
from 720x480i@60 to 2560x816@60
2.2 CUSTOMIZE: custom resolution
Turn the knob to resolution line and press the knob “>” (arrow )change to “*” (star ) put in the numbers for
width, then press the knob to confirm the number.
Put in the numbers for height and frame rate in the same way. For example setting resolution 1450x900@60,
here are the steps:
OUTPUT INFO >>
OUTPUT FORMAT >>
OUTPUT ADJUST >>
SCREEN >>
RATIO NORMAL
TEXT OVERLAY >>
DISPLAY MODE >>
GAMMA LINEAR
SENDCARDTYPE OTHER
>1920x1080@60
DVI MODE DVI
BITS 8 BIT
COLOR SPACE IMAGE
DE OFF
DE H POS 185
DE V POS 41
DE H SIZE 1920
DE V SIZE 1080
H POLARIRY POS
V POLARITY POS
Customize :
*1450x0000@00
>STANDARD >>
CUSTOMIZE >>
CUSTOMIZE:
>1920x1080@60
Customize
*1920x1020@60

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>DE OFF
H POS 185
V POS 41
H SIZE 1920
V SIZE 1080
Note: The number buttons lighting up indicate that users can use button to key in numbers.
3. OUTPUT ADJUST
DVI MODE: DIV or HDMI
BITS: DVI 8bit
HDMI 8/10/12 bit
COLOR SPACE: IMAGE or VIDEO
DE ADJUST:
DE: ON or OFF
H POS: horizontal position, value from 0 to 1920
V POS: vertical position, value form 0 to 1080
H POLARITY:horizontal polarity, POS (positive) or
NEG (negative)
V POLARITY:vertical polarity,
POS (positive) or NEG (negative)
RESET: reset above setting if not proper
4. SCREEN
The setting of <SCREEN> is based on the resolution of the LED screen,applicable under single picture mode. For
example to display picture on a LED screen with resolution 1408x832, first of all, a resolution close to or bigger
than 1408x832 shall be selected. In this case, 1440x900 or resolution above will be proper choice. The closer to
the LED screen resolution, the better the display will be.
H SIZE:horizontal pixels, turn the knob or use the digital button to input 1408.
V SIZE:vertical pixels, turn the knob or use the digital button to input 832.
H POS:horizontal position, default 0, set the value as the way of H SIZE and V SIZE.
V POS:vertical position, default 0, set the value as the way of H SIZE and V SIZE.
Customize:
*1450x900@60
Customize:
*1450x900@00
DVI MODE DVI
BITS 8 BIT
COLOR SPACE IMAGE
DE ADJUST >>
RESET
H POLARITY POS
V POLARITY POS
RESET
H POS 185
V POS 41
H SIZE 1920
V SIZE 1080
MODE FULL SIZE

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MODE-- Mode option, select SCREEN SIZE.
RESET:If image quality distorts by improper operation, it can be recover by reset.
Note：Users can also set <SCREEN> by 【FS】. Push FSbutton light on, Led display image in screen size,
Push 【FS】again, button light off, Led display image in full size.
5. RATIO: NORMAL, 16:9, 4:3
6. TEXT OVERLAY
Text overlay function is to add subtitle on output image, more often used on such fields as live broadcasting, live
concert, live commentary, and advertisement.
Before text overlay, the subtitle input channel need to be ensured, e.g subtitle input channel VGA
And the overlayed channel need to be decided, e.g overlay text on DVI channel.
Set as follows:
Push 【VGA】to check VGA input, LCD shows the VGA input.
Push 【DVI】to check DVI input, LCD shows the DVI input.
Push 【PIP】, make sure VAG is the small picture and DVI the big picture,
if not, turn the <SWAP PICTURE> “ON”in 【PIP】menu.
Select <SELECT> in 【PIP】menu, push【OK】turn Knob to select”IMAGE B”, Push <SCALE> to set the size and
position of ”IMAGE B” which the VGA picture in this case.
PIP ON
LAYOUT PIP L+B
>SWAP PICTURE ON
ALPHA 0
SELECT IMAGE A
PIP ON
LAYOUT PIP L+B
SWAP PICTURE ON
ALPHA 0
>SELECT IMAGE
B

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If there is black rim on top, bottom, left or right of the VGA picture, use <MASK TOP>,<MASK BOTTOM>,<MASK
LEFT><MASK RIGHT> to crop the black rim.
Push【MENU】,select<OUTPUT>,push 【OK】；
Select <TEXT OVERLAY>, push 【OK】and enter <TEXT OVERLAY> menu as follows:
Select <PRESET>Push 【OK】and turn the knob to “WhOnBk1”or “WhOnBk2”and Push 【OK】again
Note:TEXT OVERLAY only support monochrome subtitles.
PRESET:User, WhONBk1 (white on black )
WhONBk2 (white on black ),BkOnWh1(black on
white),BkOnWh2(black on white),
GrnOnBk1 (green on black),GrnOnBk2
(green on black), GrnOnWh1 (green on white)1
GrnOnWh2(green on white),RedOnBk1 (red on black), RedOnBk2 (red on black), RedOnWh1 (red on white),
RedOnWh2(red on white)
BLEND MODE:MODE 1 or MODE2
BLEND LEVEL:0-15
STAND (standard):BELOW or ABOVE
AND/OR :choose “and” or “or”
RED,GREEN,BLUE:value from 0 to 255
7. DISPLAY MODE
MODE：BLACK OUT, LIVE IMAGE, FREEZE IMAGE,
SOLID COLOR, TEST PATTERN
>H SIZE >>
V SIZE >>
H POS >>
V POS >>
RESET
>TEXT OVERLAY ON
PRESET WhOnBk1
BLEND MODE MODE1
BLEND LEVEL 12
STAND ABOVE
TEXT OVERLAY ON
>PRESET WhOnBk1
BLEND MODE MODE1
BLEND LEVEL 12
STAND ABOVE
>MODE LIVE IMAGE
TEST PATTERN 》
SOLID COLOR 》

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TEST PATTERN 66
AUTO SWITCH ON
HOR STEP 64
VER STEP 64
COLOR WHITE
TEST PATTERN:Value 0-66
AUTO SWITCH: ON or OFF
HOR STEP:horizontal color graduation value 0-64
VER STEP:vertical color graduation value 0-64
COLOR:WHITE, BLUE, GREEN, RED.
SOLID COLOR
RED,GREEN,BLUE: value 0-255
8.GAMMA：LINEAR,sRGB, -1.2, 1.2, -1.4, 1.4, -1.6, 1.6
RED 255
GREEN 255
BLUE 255

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INPUT INFO >>
SIZING ADJUST >>
USB CONTROL >>
VGA ADJUST >>
ADC AJUST >>
H POS 0
V POS 0
CLOCK 0
PHASE 0
>AUTO ADJUST
Input
1. INPUT INFO
Show the current input format
and resolution
2. SIZE ADJUST
H SIZE:set the horizontal pixels of input image to zoom or scale the input signal
V SIZE:Set the vertical pixels of input image to zoom or scale the input signal
H POS:set the horizontal position of image
V POS:set the horizontal position of image；
RESET SIZE:if the size is not proper, turn knob to RESET SIZE and press 【OK】
MASK TOP:crop the top of image
MASK BOTTOM:crop the bottom of image
MASK LEFT:crop the left part of image
MASK RIGHT:crop the right part of image
RESET MASK:If the crop not proper, turn knob to RESET MASK and press【OK】.
3. VGA ADJUST
Non-standard VGA input signal can cause the input image shifting or not in full screen, therefore, users need to
ajust VGA input as follows:
After selecting <AUTO AJUST> the device will automatically adjust the H POS,V POS, CLOCK and PHASE to make
input image no shifting and full screen.
Note:If one <AUTO AJUST> cannot meet the needs, users can do <AUTO AJUST> many times. The system can
automatically save the ADJUST parameter. Users can also go to <AUTO AJUST> by pressing 【VGA】button for
10s.
SDI ADJUST
EDID MANAGE
VGA TYPE
H SIZE 1024
V SIZE 768
H POS 0
V POS 0
RESET SIZE
MASK TOP >>
MASK BOTTOM >>
MASK LEFT >>
MASK RIGHT >>
RESET MASK

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H POS 127
V POS 127
ANTI ALIAS STEP_0
RESET
4. ADC ADJUST
AUTO ADUST
YES <OK>,NO <MENU>
RESET
YES <OK>,NO <MENU>
5. SDI ADJUT
GX4 with SDI optional module come with
SDI ADJUST in the menu.
6. EDID MANAGE
DESTINATION: DVI or HDMI
SOURCE: RGB DVI, RGB HDMI, FOLLOW, CUSTOM
CUSTOM EDID
Customize resolution for EDID
7.VGA TYPE
Choose signal type for VGA button. VGA or YPbPr.
8.DVI4In1 DVI 4 In 1)
GX4 with optional DVI module installed comes with such signal types as VGA, DVI, CVBS, YPbPr. It is offered to users to choose the
signal type through the DVI connector which is compatible with VGA, DVI, CVBS, YPbPr via adapter.
>AUTO ADJUST >>
RESET >>
DESTINATION HDMI
SOURCE RGB DVI
CUSTOMIZE:
>1920x1080@60

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>MUTE OFF
VOLUME 59
AUDIO IN IMAGE A
HDMI INTERNAL
Transition
Transition is used to set the switching mode between different input sources.
MODE：Special effects switching modes, including FADE, CUT, WIPE SOUARE IN, WIPE SOUARE OUT, WIPE TOP
LIEFT IN, WIPE TOP LIEFT OUT, WIPE TOP RIGHT IN, WIPE TOP RIGHT OUT, WIPE BOTTOM LEFT IN, WIPE
BOTTOM LEFT OUT, WIPE BOTTOM RIGHT IN, WIPE BOTTOM LEFT OUT, WIPE LEFT IN, WIPE LEFT OUT, WIPE
RIGHT IN, WIPE RIGHT OUT, WIPE TOP IN, WIPE TOP OUT, WIPE BOTTOM IN and WIPE BOTTOM OUT
DURATION:set the transition time ranging from 0.0 to 1.0 S
ALPHA:set the image transparency ranging from 0 to 16
DEINTERLACE:select ON or OFF to enable or shut down the deinterlacing function
IMAGE ENHANCE:image enhancement function, for image edge sharpening, color reduction and image scaling.
TAKE: Select ON or keep pressing 【TAKE】button 3s to enable the function. The selected input signal will be
switched to output as the TRANSITION set.
Audio
MUTE:select ON or OFF
Volume:adjustment range from 0 to 100
Users can also adjust volume without entering AUDIO menu. Rotate the knob anytime the LCD screen shows the
main interface.
AUDIO IN:select the source of the input audio from IMAGE A or IMAGE B
HDMI:select internal or external audio for HMDI input
>MODE FADE
DURATION 0.5S
ALPHA 16
DEINTERLACE ON
IMAGE EHANCE OFF
>TAKE ON

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Split
GX4 can be used in multiple cascade mode to finish split. When do cascade, connect the signals to the signal
distributor first, and then connect from the outputs of the signal distributor to each input of GX4. User can also
do cascade via HDMI LOOP port.
H TOTAL:set the total horizontal pixels of the LED screen
V TOTAL:set the total vertical pixels of the LED screen
H POS: select the total number of horizontal screens
V POS: select the total number of vertical screens
H SIZE:set the horizontal pixels this device will provide.
V SIZE: set the vertical pixels this device will provide.
Reset: If image quality distorts by improper operation, it can be recover by reset.
When doing equal splitting, set H SIZE and V SIZE of each device with same resolution, and then set H POS and V
POS of each device correspondingly. When doing unequal splitting, set and save H SIZE and V SIZE of each
device according to actual needs.
>SPLIT ON
H TOTAL 1920
V TOTAL 1080
H POS 0
V POS 0
>H SIZE 1920
V SIZE 1080
RESET

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After-Sale Service:
4008-592-315
[email protected]
www.rgblink.com
TEL [phone]
System
1. SYSTEM INFO
Show flowing information
MCU VERSION, VIDEO VERSION, EXT VERSION,SN
2. TECH SUPPORT
3. WORK TIME
WORK TIME: the consistent working time since
Latest boot up.
TOTLAL TIME: the accumulative working time since
the first boot up.
BOOT TIMES: the total boot up times up to now.
4. LOCK FRONT PANEL
YES <OK>, NO <MENU>
After the panel is locked, keep pressing MENU for 3 S to release the panel.
5. LICENSE SET UP
ENETER PASSWORD.
6. HOT BACKUP
HOT BACKUP: ON or OFF
HOT BACKUP_1,2,3,4,5,
Chose Hot Backup On and choose one input source for the each backup. Up to 5 backups can be set
SYSTEM INFO >>
TECH SUPPORT >>
WORK TIME >>
LOCK FRONAT PANEL >>
LICENSE SET UP
HOT BACKUP >>
DELAY RECALL 252S
WORK TIME >>
TOTAL TIME >>
BOOT TIMES 10
Hot Backup ON
Backup_1 VGA
Backup_2 DVI
Backup_3 CVBS
Backup_4 HDMI
Backup_5 OFF