RGBlink GX4 User manual

GX4
Quick Start
● 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
● Two empty slots reserved for universal sender cards
and RBGlink Subito™Quatro sender module to install
● Support for XPOSE 2.0 control
● Support for RGBLink OpenAPI

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Content
Overview.................................................................................................................................................................... 2
Packing Configuration..............................................................................................................................................4
Hardware Orientation...............................................................................................................................................5
Front Panel.......................................................................................................................................................... 5
Rear Panel............................................................................................................................................................6
Menu Tree........................................................................................................................................................... 7
USE YOUR PRODUCT ...............................................................................................................8
Single Image Switching................................................................................................................................8
PIP Setting................................................................................................................................................... 8
Split Setting................................................................................................................................................. 9
Set Output Format.................................................................................................................................... 10
Screen Size Switching................................................................................................................................ 10
Scale the Image......................................................................................................................................... 11
Text Overlay Setting...................................................................................................................................12
TAKE Button...............................................................................................................................................12
Transition Setting....................................................................................................................................13
Set the Audio.............................................................................................................................................13
Black Out................................................................................................................................................... 13
Save Preset.............................................................................................................................................14
Load Preset............................................................................................................................................. 15
Load LED Configuration File................................................................................................................ 16
CONTACT INFORMATION...................................................................................................................................19

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Overview
GX4 is an video processor which 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 1 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 can work as LED display controller when universal senders cards is installed. There are 2 empty
slots fitting for one 2.6mega pixels sender card or two 1.3mega pixels sender cards. RGBlink dedicated
sender card module Subito™Quatro is an also an option to control LED display. It provides 2.3 mega
pixels display up to horizontal 3840 pixels or vertical 2048 pixels, through 4 RJ45 ports.
GX4 Standard System Connection
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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GX4 with Subito Quatro Sender Module SYSTEM CONNECTION DIAGRAM

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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
Button Instruction
HDMI
HDMI signal source button
SAVE
Save button
CVBS
CVBS signal source button
LOAD
Load button
VGA
VGA signal source button
SCALE
Scale button/Play next
DVI
DVI signal source button
PIP/DSK
PIP and DSK
SDI
SDI signal source button
SPLIT
Split button/Play and Pause
MODULE
Optional signal source button
TAKE
Seamless effect switching button
Audio
Audio signal source button
0~9
Number button, use for scale, crop, zoom
and custom setting
BLACK
Black out button
OLED Panel
Show operation menu items
MENU
Menu and back button
Knob
Confirm and adjust OLED menu

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Rear Panel
INPUT CONNECTORS
OUTPUT CONNECTORS
1
SDI in and SDI loop
8
Audio Output
2
1 slot for optional single input
9
DVI Output
3
VGA input
10
Slots preserved for sender cards
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
Single Image Switching
Default HDMI for the current input source, if need switch other signal, for example, DVI, push the DVI button.
DVI button light will be blinking after pushing the DVI button, indicating the singal is about to switched. Users
can check whether the output resolutions of DVI signal source is correct in the LCD menu, and then switch to
the main output through the TAKE button.
Same with above, switch the signals among SDI, VGA, CVBS and input module option signal.
PIP Setting
Enable the PIP function
GX4 supports seamless switching for single image and double images.
Push the [PIP/DSK] button, the LED light is on, and enter to the PIP menu items. OLED module show as follows:
Layout :
Select any one from PIP L+T, PIP R+T, PIP L+B, PIP R+B, PIP CENTER, PBP L+R and PBP T+B, take 3 layouts for
example, shown as follows:
PIP L+T PBP L+R PBP T+B
->PIP ON
LAYOUT PIP L+T
SELECT IMAGE A
SWAP WINDOW OFF
->ALPHA 0

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Select:
Select image A or image B. For example, select image B, the settings will be available for image B.
Swap Window:
Enable or disable the swap window function.
Alpha:
Image transparency setting, the adjustment range is 0 to 16.
Split Setting
SPLIT is used when multiple GX4 are used in cascade mode. 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 DVI LOOP port, and it needs to select “DVI LOOP” for <DVI1 OUTPUT> in menus. The operations
are as follows:
Push the [SPLIT] button, the button LED light will turn on, and enter to the split function menus. Turn the knob
to select the split mode, there are two split modes, fixed split and normal split.
FIXED SPLIT: Menus are as follows:
SPLIT: Split function, can choose “ON” or “OFF”. System default “OFF”.
HORIZONTAL SPLIT: Horizontal fixed split, select it and push the number button to set the total horizontal screen
number.
VERTICAL SPLIT: Vertical fixed split, choose it and push the number button to set the total vertical screen
number.
SPLIT INDEX: Use can select the split index, and the LED screen will show the corresponding image.
H SIZE: The width of the device when do split.
V SIZE: The height of the device when do split.
ADVANCE: H SIZE, V SIZE, H POS and V POS setting. If image quality distorts by improper operation, it can be
recover by reset.
NORMAL SPLIT: For normal split, user should enable the split function, that is, turn the knob, and set the
<SPLIT> as “ON”, push the knob to confirm. System default “OFF”. User can set the normal split in the sub
menus:
H TOTAL: LED screen Horizontal total size.

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V TOTAL: LED screen Vertical total size.
H POS: This device display image Horizontal size.
V POS: This device display image Vertical size.
H SIZE: This device display image Width setting.
V SIZE: This device display image Height setting.
ADVANCE: H SIZE, V SIZE, H POS and V POS setting. If image quality distorts by improper operation, it can be
recover by reset.
RESET: If image quality distorts by improper operation, it can be recover by reset.
Set Output Format
Select standard resolution:
1. Push the [MENU] button to enter the menu items, turn the rotary knob, and select <OUTPUT>.
2. Push the knob to confirm, turn the rotary knob and select <STANDARD>, push the knob to confirm.
3. Turn the rotary knob again, and select the output resolution according to actual need.
Custom the output resolution:
1. Push the [MENU] button to enter the menu items, turn the rotary knob, and select <OUTPUT>.
2. Push the knob to confirm, turn the rotary knob and select <CUSTOMIZED>, push the knob to confirm.
3. Turn the knob on each digital position, and change the value of the digital by the digital buttons on the front
panel.
4. After the digital, push the knob will add *, means before * is the horizontal size. Same operation for vertical
size.
5. After the digital, push the knob will add @, means before the @ is the vertical size, and after the @ is the
refresh rate. Only digital 50 or digital 60 supports for the refresh rate. Use the digital buttons to finish the
settings.
6. After input all the values, push knob to enable GX4 to output this resolution. GX4 will take 5~10 seconds to
enable this output resolution.
Screen Size Switching
GX4 supports the screen parameters to meet the requirement where user want to switch between scale screen
size and full display size (like monitor). This is only enable for a single display window. Following is an example of
a screen size is1408 x 832.
Operator can defined the GX4 output resolution from standard output resolution list or customized the output
resolution which is higher than1408 x 832. For this application 1440x900 is an example:

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Push the [MENU] button to go into the main menu, turn the knob and select <OUTPUT>, push the knob to
confirm, turn the knob to select <SCREEN >, push the knob and goes into the SCREEN PARAMETERS menus as
following:
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.
MODE-- Mode option, select SCREEN SIZE.
SCREEN FOLLOW SCALE--User can enable or disable this function. When choose “ON”, the size of the screen will
change according to scale setting
RESET: If image quality distorts by improper operation, it can be recover by reset.
Scale the Image
Push the [SCALE] button, and enter the scale function menus, user can adjust the following items by knob or
number buttons.
H SIZE: Width setting.
V SIZE: Height setting.
H/V SIZE: Width and height equal proportion scale setting.
H POS: Horizontal phase setting.
V POS: Vertical phase setting.
RESET: If image quality distorts by improper operation, it can be recover by reset.
Zoom function: the default function of the system is zoom . The zoom control will be selected in the zoom
menu,Confirm by lightly touching the knob.
Adjustment function: the image width, height, width/height, horizontal position and vertical can be adjusted by
means of a light knob or directly input digital mode
Position equivalent, adjust to preset value, and then touch the knob to determine.

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Refer to the zoom Settings for details.
At this point, the button 0~9 digital button lamp is on, and users can set it through the knob or digital button.
Text Overlay Setting
Before setting the text overlay, please make sure the input channel of the text. For example, set VGA input as
the text channel. Then make sure the channel that the text will overlay, for example, overlay the text on DVI
channel. The operations are as follows:
1. Push the VGA button to make sure there is VGA input.
2. Push the DVI button to make sure there is DVI input.
3. Push the [MENU] button, turn the rotary knob, select <PICTURE>, push the knob to confirm, turn the rotary
knob, and select <TEXT OVERLAY>, push the knob to confirm.
Then enter into TEXT OVERLAY menu items, turn the rotary knob, and select <TEXT OVERLAY>, push the knob
to confirm, turn the rotary knob again, and select “ON” to enable the text overlay function.
4. Make sure VGA input is IMAGE B, and DVI input is IMAGE A, if not, select <SWAP WINDOW> option by
pushing [PIP] button, and select “ON” for <SWAP WINDOW>.
5. Select the VGA image in “IMAGE B” in <SELECT> option by pushing <PIP> button, and push [SCALE] button to
adjust the size and position of VGA image, then set the VGA image to the required position.
The standard position and size is: ensure the VGA image overlay on the DVI image, display normally and
without black edges. If there are black edges around VGA image, select <ZOOM> option in <INPUT> to adjust.
6. Set the text overlay mode: select <PRESET> option in <TEXT OVERLAY>, push the knob to enter into the
<PRESET> menu items. Turn the rotary knob to select the preset mode, for example, set the VGA text as
WhOnBk, choose WhOnBk1 or WhOnBk2 (Note: Text Overlay only support monochrome subtitles), user can
also adjust the <BLEND MODE> or <BLEND LEVEL> to get a better effect.
7. Push the [SAVE/1] button to save the above parameters.
TAKE Button
1.The default of system is turn on the button"TAKE"
2. Select the signal that need to take, for example, gently push [DVI/5] button, the signal source button turns
blinking ,and the OLED screen will display the selected TAKE signal source;
3. Pressing 5 seconds frequently can be able to cancel the selection of the "TAKE" key.
4.After select the signal, push the [TAKE], and the signal will be taken to the output in the way of special effect.

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Transition Setting
Push the [MENU] button two times, and enter the effect switch function menus, effect menu shown as follows:
DEINTERLACE: Force Deinterlace function, select “ON” or “OFF”.
ON: Force deinterlace.
OFF: No deinterlace.
IMAGE ENHANCE: Image enhancement function, for image edge sharpening, color reduction and image scaling.
MODE: Special effects switching modes, including DISSOLVE, CUT, WIPE SQUARE IN, WIPE SQUARE OUT, WIPE
TOP LEFT IN, WIPE TOP LEFT 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.
FADE TIME: Switch time setting. Turn the rotary knob to select the fade time and push the knob to confirm. The
switching time ranges from 0 to 3S.
ALPHA: Set the image transparency, the adjustment range is 0 to 16.
Set the Audio
Push the [MENU] button, the OLED module show the menu items, turn the knob, and choose <AUDIO>, push
the knob to confirm. Audio menu shown as follows:
MUTE: User can enable or disable the mute function.
VOLUME: Volume adjustment, the adjust range is 0~100.
AUDIO IN: Can choose audio input source for IMAGE A or IMAGE B.
HDMI/EXT AUDIO: Choose internal or external audio for HMDI/EXT.
INPUT AUDIO COFIG: The input audio includes: CV1, VGA, DVI, HDMI and M_8_SDI. Input audio 1 can select
any input except the inputs of input audio 2 and input audio 3. Input audio 2 can choose any input except the
inputs of input audio 1 and input audio 3. Input audio 3 can select any input except the inputs of input audio 1
and input audio 2.
Black Out
Black out descriptions:
Black signal realizes one-key-touch to a black screen.
GX4 provides black effect processing for output with cut black effect. Operation is as below:
Push the [BLACK/0] button, then output will cut to BLACK, shown as below:

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Save Preset
GX4 provides 16 positions for saving or recording parameters. To save current parameters and settings:
1. Push the [SAVE/1] button, the button light is on, and enable the SAVE function.
2. Turn the rotary knob, and select the position that will save, push the knob to confirm.
3. The number button 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 means SAVE1~10, push any button on to save. For example, push
number button 2 and save to SAVE 2, the OLED panel will show as follows after saving.
4. Push the [SAVE/1] button again, the button light is off, and disable the SAVE function.
SAVE TO
->SAVE 1
Button is on can be saved
Button flashes will be overwrite
SAVE TO
->SAVE 2 FINISHED!
Button is on can be saved
Button flashes will be overwrite

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Load Preset
GX4 provides 16 positions for saving or recording parameters. To recall saved settings:
1. Push the [LOAD/6] button, the button light is on, and enable the LOAD function:
2. Turn the rotary knob, and select the position that will load, push the knob to confirm.
3. Push the [LOAD/6] button again, the button light is off, and disable the LOAD function.
RECALL SAVE
->SAVE 1
Button on is ready for recall
Button flashes means just recall

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Load LED Configuration File
For GX4 installed with Subito Quatro Sender Module, user can upload LED manufacturer’bin file to set the LED screen parameter.
1.Prepare LED configuration file provided by the manufacturer and store it in somewhere easy to find on your computer or USB
disk.
2.Download and install XTOOL V1.0.1.3. Download XTOOL from RGBLink www.rgblink.com/support#downloads
3.Connect GX4 and computer with the USB cable (USB A-B cable) from In The Box.
4.Open up XTOOL
If you find it in Chinese, switch the language by clicking this
5.Set Connection
Click connection icon , select Serial Comm and Confirm.

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When it is done, a window will pop up showing “Serial port set”and the Device Type and SN (serial number) can be identified.
6.Click Screen File to load the LED configuration file saved previously.
Select Manufacturer from 1 to 15 and File Index from 1 to 16. Type in the File Name according to real manufacturer and the LED
screen specification. Click Browse to open up Local file to select the Led configuration file stored before and click Set to confirm.
7.When it is done, a window showing Set Success will pop up.

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The file has been loaded to the device and users can find and use the file in Menu Configuration - Config File - Preinstall File. Under
the Manufacturer index set on XTOOL, there is the file name. Select the file, and press OK, the Led screen will be set as the
configuration file.

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CONTACT INFORMATION
Warranty:
All video products are designed and tested to the highest quality standard and backed by full 3 years parts and
labor warranty. Warranties are effective upon delivery date to customer and are non-transferable. RGBlink
warranties are only valid to the original purchase/owner. Warranty related repairs include parts and labor, but
do not include faults resulting from user negligence, special modification, lighting strikes, abuse(drop/crush),
and/or other unusual damages.
The customer shall pay shipping charges when unit is returned for repair.
Headquarter: S601~609 Weiye Building Torch Hi-Tech Industrial Development Zone Xiamen, Fujian Province,
P.R.C
● Tel: [phone]
● Fax: [phone]
● Customer Hotline: [phone]
● Web:
~ http://www.rgblink.com
~ http://www.rgblink.cn
● E-mail: [e-mail]