1. Manuals
  2. Brands
  3. GeoBox Manuals
  4. Media Converter
  5. G804
  6. User manual

GeoBox G804 User Manual

Quad channel edge blender
Hide thumbs
Table of Contents

Advertisement

Quick Links

G804 User Guide
Document: G804-3
-----------------------------------------------------------------------------------------------------------------------------------------------
-
The absolute opposite of ordinary
G804 Quad Channel Edge Blender User Guide
Max. Input: 4096*2160 @60Hz 4:4:4
Max. Output: 2048*1080 @60Hz 4:4:4
New generation Warp & Edge blending
Full functions in one box, simple, reliable
No PC required
0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the G804 and is the answer not in the manual?

Questions and answers

Related Manuals for GeoBox G804

Summary of Contents for GeoBox G804

  • Page 1 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- The absolute opposite of ordinary G804 Quad Channel Edge Blender User Guide Max. Input: 4096*2160 @60Hz 4:4:4 Max. Output: 2048*1080 @60Hz 4:4:4 New generation Warp & Edge blending Full functions in one box, simple, reliable...

  • Page 2: Table Of Contents

    3.3. Relation between Overlap pixels and geometry alignment accuracy…………………………. 3.4. Get installation data from VNS Excel Spread Sheet……………………………………………… 3.5. Apply Spread Sheet data for projector installation and GeoBox setting………………………. 3.6. Projector settings before edge blending…………………………………………………………… 3.7. GeoBox settings before edge blending……………………………………………………………...
  • Page 3 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 6. [Edge Blend] settings……………………………………………………………………………………… 6.1. [Edge] selection location and set edge blending value…………………………………………. 6.2. [Shift]: shift image position and execute Edge Mask……………………………………………. 6.3. [Gamma]: color correction in edge blending area……………………….………………………. 6.4. Black level uplift: [Offset] & [Corner] adjustment…………………………………………………...

  • Page 4: Disclaimer/Copyright Statement

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 13.1. Front panel LED indicators………………………………………………………………………... 67. 13.2. Intermittent or loss of input signal………………………………………………………………... 13.3. Video quality issues………………………………………………………………………………… 68 13.4. Image position shift after installation……………………………………………………………… 68 13.5. System crash and malfunction ……………………………………………………………………. 69 13.6. Synchronization issue in the outputs……………………………………………………………… 69 14.

  • Page 5: Introduction

    8 inputs (2x HDMI, 1x DP, 1x VGA) and 4x HDMI outputs are designed in G804. Input supports up to 4096*2160 @60Hz with 4:4:4 full color sampling. Output supports up to 2048*1080 @60Hz. It is integrated with 10-bit high end processor, 3D motion adaptive de-interlace, low angle smooth algorithm, 3:2/2:2 pull- down and supports non-VESA standard input timing for connecting with various input sources.

  • Page 6: Functions And Features

    V=+_1200 pixels adjustment range in full HD output through USB or Ethernet. After finishing geometry alignment, the parameters can be stored inside GeoBox and no more PC tool is needed. 6. Corner wall geometry alignment at 90 degrees corner wall up to 900 pixels adjustment range in H&V directions with up to 1200 pixels position adjustment in horizontal direction.
  • Page 7 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- D. Edge mask Image [SHIFT] to execute edge mask up to 500 pixels following the image after geometry adjustment and Edge [Mask] with 8 adjustment points to provide irregular edge mask up to 900 pixels in each control point.

  • Page 8: Content In The Packing Box

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 1. Content in the packing box  The G804 Quad Channel Video Wall Controller  1x RC-400 IR Remote Controller with AAA battery 1x IR Extending Receiver with 1.8m cable  1x AC Main Power Cord ...

  • Page 9: Input / Output Selection & Led Indicators

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  For 4 projectors edge blending application, user can connect any output to any projector and select projector location via [Video Wall] [Pan] menu.  If independent content display is required, user needs to arrange the input source and output connection and let input source be displayed at specific projector.
  • Page 10 For one content edge blending display (all-in-one), user needs to select HDMI-1 or HDMI-3 input source and loop out to next processing module. If multiple units of G804 are cascaded for edge blending, user needs to select HDMI-1 or ...

  • Page 11: System Connection And Power On

     When power is switched on G804, the booting time is about 19 seconds and the Input & Output LEDs on front panel will stay “Lighted” all the time for the channel with correct input source and output device connections.

  • Page 12: System Settings: Box Id, Rs232, Ethernet

    User can control or operate G804 settings through Ethernet. Default IP address is 192.168.0.100.  When multiple units are used at the same time, user can set different IP address in each G804 so that each G804 can be controlled independently. 2.6.1. Box ID ...

  • Page 13: How To Use Ir Remote Controller

    IR receiver is on Front Panel. One 3.5ø mm audio connector for IR extender is located at Back Panel of G804. 1.8m IR extension cable is equipped in the packing. User can add audio cable to extend the distance up to more than 20 meters.

  • Page 14: Full Screen And Native Aspect Ratio

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  IR remote control system is possible to be interfered and cause abnormal or discontinuous operation. Under this condition, Ethernet operation may be the best choice. Audio connector for IR extender Profile [Load] shortcut key Power on/off.

  • Page 15: Image Rotation And Flip

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- [Full Screen]: to display full screen image no matter the input source is in what kind of aspect ratio. [Original AR]: the output display will keep the same display aspect ratio as signal source original aspect ratio. If the input is 4:3, then the output display will keep the same 4:3 aspect ratio.

  • Page 16: Osd Lock And Unlock

    - 850: to unlock all units and user can control all GeoBox. - User will see flashing LED on front panel after press 85x number keys. It means the OSD menu in GeoBox with flash LED is locked and will not be controlled by remote controller. ...

  • Page 17: Project Plan And Preparation For Edge Blending

    -----------------------------------------------------------------------------------------------------------------------------------------------  [Normal] (Frame Locked): when user uses multiple units of GeoBox, we propose to set at [Normal] to let all output synchronized together. The sync time will be longest. When user reset system or adjust video wall settings, you may see projector re-searching the input source.

  • Page 18: Determine Overlap Region Size And Pixels

    For 1024*768 projector, the overlap range is 1024*20%-1024*40%=205~409 pixels. GeoBox test pattern default size is 32x32 pixels. Therefore, the final result will be around 7 grids (224 pixels) to 13 grids (416 pixels) for XGA projector and 12 grids (384 pixels) ~ 24 grids (768 pixels) for 1080p &...
  • Page 19 G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  If the overlap area between two adjacent projectors has the same or multiple number as above, the geometry alignment control points in overlap region will be less. User can increase or decrease two or three grids (64 or 96 pixels) in overlap area to increase the control points in overlap region for more accurate alignment between adjacent projectors.

  • Page 20: Get Installation Data From Vns Excel Spread Sheet

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Recommended overlap pixels in different output resolutions Below is the list for the accuracy of geometry adjustment in different overlap pixels: GeoBox output resolution 1920*1080 1280*800 1024*768 Min. adjusting flexibility 256/480/704 320/480/640 256/384/512 Max. adjusting flexibility...
  • Page 21  Input all the data in Yellow column, including Source Resolution, Projector Resolution (GeoBox output resolution), Screen size, Projector throw ratio, Projector Lumens, No. of projector and Overlap Pixels. User can try different configurations and select most cost effective one ...

  • Page 22: Apply Spread Sheet Data For Projector Installation And Geobox Setting

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 3.5. Apply Spread Sheet data for projector installation and GeoBox setting 3.5.1. Installation data from Spread Sheet from previous section:  Image size for each projector: 250cm *156cm Overlap region: 50cm   Installation distance based on throw ratio 1.1-1.7: between 300cm-425cm ...

  • Page 23: Projector Settings Before Edge Blending

     3.7. GeoBox settings before edge blending  Reset GeoBox to default setting. [Reset] will apply to two channels at the same time.  Select input port. Two HDMI inputs will apply to both channels. User can’t select HDMI-1 &...

  • Page 24: Grid Pattern Pixel Size Selection

    If user sees different grid size in different projectors, please check the output timing setting in each output channel and also check the aspect ratio settings in the projectors. GeoBox needs to set at [Full Screen] display mode under [Image Properties] [Scaling] menu.

  • Page 25: Geometry Alignment

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  In low resolution projector with low overlap grid number, user can select a grid size to maximized the overlap region to improve edge blending quality. For example, when the overlap pixel is only 186 pixels, if user selects 32x32 pixels as grid size, then user needs to reduce the grid size to only 160 pixels (5 grids) to let the grids from adjacent projector to stack together.

  • Page 26: Geometry Alignment Through Remote Controller

    User can install IR extender receiver near each projector for easy GeoBox operation. If multiple units of GeoBox are used and IR receivers are put together, please set [Box ID] for each G804 so that user can control each G804 separately through [85x] command.

  • Page 27: 2X2] 4 Corner Geometry Alignment

     No need to do keystone correction in the projectors before geometry alignment unless the image has too big distortion and GeoBox can’t cover the alignment range.  [2x2] alignment will adjust whole image with the same scaling factor. [War] alignment will adjust only some portions of the image.

  • Page 28: Linearity Grid Line Adjustment

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- [3x3] warp hotkey  Please use [5X3] & [9x5] for further geometry alignment and let all the grids in overlap area with good grid stacking from two projectors.  For curved screen, if there is some difference in the grid size in adjacent projectors, please use [9x5] Linearity Grid Line adjustment (in next section) to adjust the grid size and finish the image position fine tune.
  • Page 29 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 4.3.5. Linearity grid line adjustment The control point can shift the lines in both horizontal and vertical directions.  Linearity grid line adjustment menu is under [9x5] warp alignment in OSD. User can select the control point, then press ENTER to see complete grid line for the adjustment.

  • Page 30: Corner Wall Geometry Adjustment

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Grid line gap adjustment 4.3.6. Corner Wall geometry adjustment Important note: When apply Corner Wall function, all the other geomtry alignment function will be disabled. User can only execute geometry alignment through 8 points of Corner Wall adjustment.
  • Page 31 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Example A: Single projector application...

  • Page 32: Gwarp]

    Corner Wall alignment. Then user can execute curve alignment and Corner Wall adjustment at the same time. If only only one G804 is used, user can only input the signal from VGA or DP port in the 1...

  • Page 33: Video Wall] Settings

    The purpose for Video Wall Setting is to determine the display Matrix, split the image and assign the right image to each GeoBox/display device in the matrix. The overlap pixel between two images can be adjusted pixel by pixel. The maximum video wall can be up to 15x15 matrix display.

  • Page 34: Zoom]: Split The Signal Source

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 5.1. [Zoom]: split the signal source Use [Zoom] to split input image in horizontal and vertical directions. Maximum split images are 15x15 in both horizontal and vertical directions from single input source. For 3 projectors at horizontal position, Horizontal Zoom=3,...

  • Page 35: Overlap]: Crop The Right Image For Each Projector

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 5.3. [Overlap]: crop the right image for each projector Use [Overlap] to determine overlapped pixels between two adjacent projectors. It will change image cropping area and can change image aspect ratio. In projector edge blending, user needs to select correct Edge and crop the right overlapped pixels for each projector.

  • Page 36: Edge] Selection Location And Set Edge Blending Value

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- To let the image has the same grid size (same scaling factor in both horizontal and vertical directions) To let images overlapped together in horizontal lines and vertical lines.  Sub-menu under [Edge Blend] menu...

  • Page 37: Shift]: Shift Image Position And Execute Edge Mask

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  User needs to adjust the color indicating lines to match together (green to green, red to red). There is no need to calculate the overlapped pixels. For 3 projector edge blending as example: To select [Right Edge] for LH projector To select both [Right Edge] &...
  • Page 38 G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  User needs to select right display mode (gamma curve 2.2 is the best gamma value in the projector setting) and fine tune the color difference among the projectors to minimize the possible banding effect in edge blending region.

  • Page 39: Black Level Uplift: [Offset] & [Corner] Adjustment

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Left picture is to show banding effect in edge blending area. This issue is related to many factors:  Screen: gain value under 1.0 is recommended  Projector: shall be the same model with the same gamma and Display Mode settings.
  • Page 40 G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  [Offset] is to set the level for color uplift. It should be determined based on the brightness level in overlap region.  For projector with horizontal edge blending, please select center region of the [Offset] block, then adjust RGB offset value to around 100 each.

  • Page 41: Color]: Individual Projector White Balance And Color Correction

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Projector display imager, such as DMD, LCD and LCOS, will have some image borders  due to active display window is not at full range of the imager. In dark environment, viewer may see this kind of light leakage in image borders. It is outside active display area and can’t be fixed.

  • Page 42: Edge [Mask]

    User needs to check the result with full range color image. 6.6. Edge [Mask] There are two edge mask functions in G804. One is image [Shift] and another one is Edge [Mask] under Edge blending menu. ...
  • Page 43 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- each control point is +_ 900 pixels in H&V directions.  The adjusting range for [Shift] is based on the image position after geometry alignment and the range for [Mask] is calculated from the original edge position before geometry alignment and before [Shift] edge adjustment.

  • Page 44: Grid] (More Details In Section 4.2)

    [Offset] menu.  GeoBox edge blending gamma setting range is from 0.9-3.0 and default setting is 2.2 gamma curve. To select projector display mode near 2.2 gamma setting will get the best result.

  • Page 45: Example For 3 Projector Edge Blending Procedures

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- To adjust image position of the projector and reduce keystone angle. Increase Overlap region & reduce off axis angle To reset projectors with the same settings. To select Display Mode. Usually Standard, sRGB/Neutral will get better result.

  • Page 46: Mark Image Location And Install The Projectors

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  User can use geometry alignment to draw the vertical height to the dimensions you need. The final image height is 1.5m after geometry alignment.  Optimized content resolution: 3328*800 (This is the ideal resolution for the content and EDID).

  • Page 47: Projector Settings

    Check input/output LED indicators and make sure to have correction system  connection. Set Box ID for each G804 if multiple units are used. (under Options Setting Box  ID menu). If control by Ethernet, please set different IP address in each G804 (under ...
  • Page 48 User can install IR extender receiver separately near each projector for easy GeoBox operation. If multiple units of GeoBox are used and IR receivers are put together, please set [Box ID] for each GeoBox so that user can control each G804 separately through [85x] command.

  • Page 49: Video Wall Settings

    G804 User Guide Document: G804-3 -----------------------------------------------------------------------------------------------------------------------------------------------  Apply [2X2 Corner] geometry alignment and draw the corners to expected locations. It doesn’t matter to have some image inside the screen once it covers entire screen before 4 corner adjustment. [Warp] alignment will adjust the image position back to the required position.
  • Page 50 VNS Excel spread sheet calculation.  Example for [Video wall] settings for 3 projectors horizontal edge blending with two G804 cascaded: [Zoom]: set to H=3, V=1 in all channels. Each channel should be set separately.

  • Page 51: Edge Blending Setting

    If banding effect is visible in overlap area, please try below method:  GeoBox [Gamma] adjustment: Please try to adjust Gamma value in [Transition] & [Gain] menu and adjust [Shift] value to “-“ to do color uplift in the edge of overlap region.

  • Page 52: Save/Load System Settings

     When user power off the system, G804 will save user setting without loss even the setting is not saved into Profile Index, unless someone to change it.

  • Page 53: Multiple Unit Applications

    Connect input signal to G804 HDMI-1 or HDMI-3 input port and looped out to next unit. No special sequence is required.  In big scale display application, no limitation in the number of G804. The key point is that the system resolution needs to meet the requirement. ...

  • Page 54: Content Overlap Setting Issue

    Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Usually, one 4k signal source can be applied for up to 20 meters screen through 2x G804 & 8x projectors. If bigger screen is required, user can apply multiple signal sources through multiple synchronized media player or multiple output display card to achieve higher system resolution.
  • Page 55 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- PC display card should be able to set overlap pixel up to 25% of the output resolution among the outputs. User can use similar function cards as Matrox TripleHead 2 Go, ATI Display Group, NVidia SLI Surround or NVidia Mosaic mode.

  • Page 56: Convenient Setting In Multiple Unit Application

    Box for individual control. For IR control, the [Box ID] number range is #1 - #9.  When all G804 or IR extenders are installed together in the control range of single remote controller, user can do individual G804 control through below method.

  • Page 57: Webgui And Gwarp3 Pc Tool

    The connection can go through Ethernet router LAN port, WiFi Router or Crossover Cat 5/6  cable. User can set each G804 with different static IP address in the same domain, then open Google Chrome or Microsoft Explorer browser with IP address to access each unit of G804 for independent operation.

  • Page 58: Gwarp3 Pc Tool

    11.1.1. Assumption  3 walls display: W1=2m, W2=5m, W3=3m  Signal source: 3840x1080, GeoBox output resolution: 1920x1080 11.1.2. Usually, 5000 Lum projector can cover 3-4 meters image width. Four projectors are required to cover entire screen.  W1: one projector is enough ...
  • Page 59 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- W2=5m W1=2.5m W3=3m 11.1.3. Need to let all projectors with the same scaling factor to avoid image size difference among the walls. Total screen dimensions: 2.5+5+3=10.5m   Total image width: 3840 pixels ...

  • Page 60: Portrait Edge Blending

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Under this condition, the image cropped for PJ2 should be in the range from coordinate 914 to 1914.5 (914+1829/2+86=1914.5). The image for PJ3 should be in the range from coordinate 1742.5 (914+1829/2-86=1742.5) to 2743 (914+1829=2743).

  • Page 61: Flexible Display

     G804 can rotate source image before edge blending. It will be more convenient for user to connect with all kinds of conventional signals without the need to rotate the image in advance. ...

  • Page 62: Discrete Content Displayed In Each Projector

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 11.4. Discrete content displayed in each projector User can configure to show independent content in each projector. Below are the guidelines:  Signal source selection: only one HDMI input source can be selected as discrete display input source in one processing module.
  • Page 63 G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Activate [Overlap] under [Video Wall] menu User can select the channel and the edge required for edge shift, then adjust Overlap value to see aspect ratio change. The image position shift range is +_1800 pixels in each edge.

  • Page 64: Miscellaneous Settings

    Draw the image into screen and keep some blanking border at some borders.  If the signal is from PC, user can set customized EDID in GeoBox to let PC output expected output resolution. Some PC may not follow GeoBox EDID resolution setting and require customized output setting from display card.

  • Page 65: Edid Settings

    ----------------------------------------------------------------------------------------------------------------------------------------------- 12.2.1. System Structure:  G804 consists of two G802 processing modules. It can serve as one 4 channel processor or two dual channel processors. HDMI-1 & HDMI-2 (or HDMI-3 & HDMI-4) input signals will go through the same HDMI ...
  • Page 66 The purposes for EDID setting are as follows:  GeoBox can support big range of input signal timing—from XGA up to 4k/2k @60Hz. In order to get the best video performance, user needs to select the best input signal resolution.

  • Page 67: Hdmi Vs. Dvi Output Signal

    If set [Standby Time] at 60, the system will get into Standby Mode after 60 seconds when no input signal is detected. The output signals from G804 will also be terminated at the same time. If G804 detects input signal again, it will automatically turn on the system.

  • Page 68: Turn Off Splash Screen Logo

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- 12.7. Turn off splash screen Logo  Use can turn off splash screen Logo through [Options] [Accessibility] [Logo Time Out] and set the value at “0”. Default setting is 10 seconds.  It will reduce the boot up time.

  • Page 69: Video Quality Issues

    13.3. Video quality issues  Use the highest resolution and number of color bits (RGB 4:4:4) images allowed by G804 to be used as a signal source whenever possible. There are a number of lower-quality AV players, the specification and actual output are ...

  • Page 70: System Crash And Malfunction

    Check projector image shift condition after some time with GeoBox in OFF condition. User will clearly identify that the position shift is from GeoBox or not after this procedure. GeoBox is digital processor and will not change image position only for few pixels.

  • Page 71: Technical Support

    Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- [Disable] (Free-Run mode): Once [Disable] is selected, when GeoBox changes input source or timing, the output will be still running without losing any signal. The projector will not search the input source again. There will be no loss signal when Reset or executing video wall settings.
  • Page 72 Apart from what is detailed in User Guide, maintenance should be carried out by competent technician assigned by VNS. If G804 is physically damaged, it should be returned for repair using VNS RMA procedures. If the unit is opened by user, it will lose the right for warranty protection.

  • Page 73: Specification

    Support Corner Wall adjustment in H&V at (Contact discharge) flexible location with the same image scaling Dual power supply in G804-AC. User can use either factor. AC 100-240V or DC 12V 3A power supply. When Support Linearity Grid Line adjustment for quick use AC power supply, there is a DC 12V 1A output H&V line position alignment.

  • Page 74: Revision History

    G804 User Guide Document: G804-3 ----------------------------------------------------------------------------------------------------------------------------------------------- Revision History Revision Date Originator Comments V1.0 2018-12-30 Steve Wang First version...

Table of Contents