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GeoBox G812 User Manual

Dual channel edge blender
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G812 User Guide
Document: G812-3
G812 Dual channel Edge Blender User Guide
Max. Input: 4096*2160 @60Hz 4:4:4, 7680*1200 @30Hz
Max. Output: 2048*1080 @60Hz 4:4:4
New generation Warp & Edge blending
Full functions in one box, simple, reliable
No PC required
Sales & Technical support
www.VigilLink.com
Web site:
E-mail:
info@vigillink.com
Version: VL-V1.01
Tel: +949-502-4484
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Summary of Contents for GeoBox G812

  • Page 1 G812 User Guide Document: G812-3 G812 Dual channel Edge Blender User Guide Max. Input: 4096*2160 @60Hz 4:4:4, 7680*1200 @30Hz Max. Output: 2048*1080 @60Hz 4:4:4 New generation Warp & Edge blending Full functions in one box, simple, reliable No PC required Sales &...

  • Page 2: Table Of Contents

    3.3. Relation between Overlap pixels and geometry alignment accuracy ..........23 3.4. Get installation data from VNS Excel Spread Sheet… ................ 25 3.5. Apply Spread Sheet data for projector installation and GeoBox setting… ........26 3.6. Projector settings before edge blending ....................27 3.7.
  • Page 3 G812 User Guide Document: G812-3 5. [Video Wall] settings 5.1. [Zoom]: split the signal source……………………………………………………………………. 5.2. [Pan]: assign image location……………………………………………………………………… 5.3. [Overlap]: crop the right image for each projector……………………………………………… 5.4. [Position]: shift image position without changing image size…………………………………. 6. [Edge Blend] settings …………………………………………………………………………….

  • Page 4: Disclaimer/Copyright Statement

    G812 User Guide Document: G812-3 12.8. Limitation in image flip and rotation…………………………………………………………… 13. Trouble shooting 13.1. Front panel LED indicators ........................89 13.2. No image in the projector………………………………………………………………………. 13.3. Intermittent or loss of input signal ....................... 89 13.4. Video quality issues ..........................90 13.5.

  • Page 5: Introduction

    4 inputs (2x HDMI, 1x DP, 1x VGA) and 2x HDMI outputs are designed in G812. Input supports up to 7680*1200 @30Hz, 4096*2160 @60Hz with 4:4:4 full color sampling. Output supports up to 2048*1080 @60Hz.

  • Page 6: Functions And Features

    Document: G812-3 Function and features: A. Input and output: ➢ G812: single processing model, G814: dual processing modules. ➢ Each processing module has below input and output ports: ✓ Input ports: 2x HDMI, 1xVGA, 1x DisplayPort. ✓ HDMI & DisplayPort support 4096*2160 @60Hz, 3840*2400 @60Hz with 4:4:4 sampling without compression.
  • Page 7 G812 User Guide Document: G812-3 F. Edge blending ➢ Four direction edge blending up to H=1920, V=1200 overlapped pixels for flat, curved & cylindrical screens. ➢ Independent RGB gamma selection for edge blending color fine. ➢ White balance and individual color correction for each projector.

  • Page 8: Background Color Adjustment

    G812 User Guide Document: G812-3 Support side by side and top/bottom 3D input signal. After warp and edge blending, output RH/LH eye frames signals for passive 3D display. M. Background color adjustment White balance and individual color correction for each output channel.

  • Page 9: Content In The Packing Box

    HDMI & DP input ports support up to 4096x2160 @60 Hz, 7680x1200 @30Hz. ➢ Only HDMI 2.0-1 input signal can be looped out. Loop out signal is unprocessed signal same as HDMI 2.0-1 input signal. User can connect to next GeoBox for cascade application or as source monitoring signal. ➢...

  • Page 10: System Connection

    [Video Wall]—[Pan] menu. ➢ If multiple units of G812 are used and independent content display is required, user needs to arrange the input source and output port connection and let input source be displayed at desire projector.

  • Page 11: Input/Output Selection & Led Indicators

    G812 User Guide Document: G812-3 ➢ Multiple G812 application: connect multiple units through loop out port. ➢ Once input signal and output ports are properly connected, LED indicator on the front panel will show up. If any of the LED in CH-1 ~ CH-2 is not lighted up, please check the input/output connection and cable.

  • Page 12: Input Source Selection

    Press channel selection button to select input port. Default input port is HDMI 2.0-1 for CH1 & CH2. ➢ For one content edge blending display (all-in-one), user can select any input source in one G812 application. ➢ If multiple units of G812 are cascaded for edge blending, user needs to select HDMI-1 input source and cascade to next unit through loop out port for big scale edge blending.

  • Page 13: Led Indicators

    ➢ When power is switched on G812, 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...

  • Page 14: Hdmi Loop Out For Daisy Chain Connection

    DP or VGA input ports, please add DP or VGA video distributor and feed signal to all G812 and processing modules. ➢ User can connect any Loop Out signal to any HDMI input port in next GeoBox. No specific HDMI input port is assigned. ➢...
  • Page 15 UART protocol for the control from RS-232 or Ethernet is available in the website. 2.7.3. Ethernet ➢ User needs to connect GeoBox to WiFi Router or switch/hub through RJ45 to LAN port. Then user can control the system through Ethernet. ➢...

  • Page 16: 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 G812. 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 17: Osd Lock And Unlock In Multi-Unit Application

    - 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 18: Full Screen And Native Aspect Ratio

    2.12. System Power on sequence If it is possible, please open GeoBox 30 seconds before power on signal source. It will make sure signal source can detect correct EDID. If user doesn’t have source connection, it can be neglected.

  • Page 19: Color Adjustment

    G812 User Guide Document: G812-3 2.13. Color adjustment In edge blending application, color adjustment is important due to multiple units of projector images are combined together. 2.13.1. Global color adjustment: [Picture] [Picture] can execute below color adjustment for each processing channel.

  • Page 20: System Synchronization

    Sync] is applied, it is possible to lose sync during system setup and cause the projector to re-search the signal source. In order to provide smoother setup, GeoBox provides OSD for user to select different synchronization methods for easy setup.

  • Page 21: System Reset

    G812 User Guide Document: G812-3 2.15. System Reset User can rest system through below method: ➢ Use small pin to insert RESET hole at back panel for 5 seconds, user will see [Reset to Default] message. It will apply to all channels at the same time. Profile Index data will be erased at the same time.
  • Page 22 G812 User Guide Document: G812-3 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 23: Preparation For Edge Blending

    The most common overlap region is about 20% to 40% based on single projector native resolution. 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 24: Relation Between Overlap Pixels And Geometry Alignment Accuracy

    Proper selection of Overlap pixels will affect the control points in geometry alignment. If the Overlap pixel is 25% of the projector native resolution (or GeoBox output resolution), it will have less geometry alignment points due to control points in adjacent projectors will be at the same location.
  • Page 25 G812 User Guide Document: G812-3 If the overlap is 256 pixels (25%) in XGA resolution, total adjusting points in overlap region are 3*5=15. The adjusting points in projector A & B will be at the same position in overlap region. User will have less adjustment flexibility. If increasing two grids (64 pixels) to 320 overlap pixels, user can have 30 adjusting points to get more accurate geometry alignment.

  • Page 26: Get Installation Data From Vns Excel Spread Sheet

    ✓ 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 the most cost effective one with the image height a little higher than required.

  • Page 27: Apply Spread Sheet Data For Projector Installation And Geobox Setting

    It is allowed to have different overlap pixel among projectors. “Irregular” Spread Sheet is required to calculate the data. ✓ Please download the Spread Sheet from our website under Support tab. 3.5. Apply Spread Sheet data for projector installation and GeoBox setting 3.5.1. Installation data from Spread Sheet from previous section: ➢...

  • Page 28: Projector Settings Before Edge Blending

    G812 User Guide Document: G812-3 3.5.3. Installation the projector ➢ To install the projector at a location as showed above with the image just a little over required region at any point. Too large image will lose image resolution and brightness.

  • Page 29: Geobox Settings Before Edge Blending

    3.7. GeoBox settings before edge blending ➢ Use small pin to insert into RESET hole on the back panel of GeoBox for 5 seconds to reset GeoBox to default setting. This [Reset] will apply to all channels at the same time.

  • Page 30: Grid Pattern Pixel Size Selection

    G812 User Guide Document: G812-3 ➢ PS. User can select the last pattern mode [OSD Value + background] and apply external test pattern for geometry alignment. 4.2. Grid pattern pixel size selection ➢ The pixel size in grid pattern for geometry alignment is selectable to meet high end simulation system geometry alignment requirements.

  • Page 31: Geometry Alignment

    G812 User Guide Document: G812-3 ➢ Below is the OSD menu for the selection of grid size. 4.3. Geometry alignment 1.1.1. Geometry alignment is to align the image position to let the projection image match the screen and also let image grids between two adjacent projectors be combined together. This step will take most of the time for edge blending.

  • Page 32: Geometry Alignment Through Remote Controller

    User can install IR extender receiver near screen for easy GeoBox operation (Please add audio extending cable to extend the distance up to 20 meters). 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 GeoBox separately through [85x] command.

  • Page 33: 2X2] 4 Corner Geometry Alignment

    ➢ If using short throw ratio projector in curved screen display, the image will have big distortion. Please use projector to do geometry alignment first before GeoBox. ➢ [2x2] alignment will adjust whole image with the same scaling factor. [Warp] alignment will adjust only some portions of the image.
  • Page 34 Geometry alignment range from remote controller can be up to 600 pixels in [2x2] + 600 pixels more in [3x3] for one corner/edge. ➢ If over GeoBox geometry adjustment range, the image will be broken. Please adjust projector installation position or use projector geometry alignment function to cover some adjustment. ➢...

  • Page 35: Linearity Grid Line Adjustment

    G812 User Guide Document: G812-3 4.3.5. Linearity grid line adjustment The control point can shift grid lines in both horizontal and vertical directions. ➢ Linearity grid line adjustment is under [3x3], [5x3], [9x5] & [17x9] warp alignment menu. User can select the control point, then press ENTER to do grid line adjustment.

  • Page 36: Corner [Wall] Geometry Adjustment

    G812 User Guide Document: G812-3 “W” shape Corner Wall geometry alignment 4.3.6. Important note: When apply Corner Wall function, all the other geomtry alignment function will be disabled. User can only execute geometry alignment through 10 points of Corner Wall adjustment. 4 corner control points can execute 4 corner alignment same as [2x2] geometry alingment function.
  • Page 37 G812 User Guide Document: G812-3 Corner wall application on curved screen If user wants to implement Corner Wall function on curved screen, user can connect the signal to another G116 or G110 to do warp alignment, then connect the output to another unit for further Corner Wall alignment.

  • Page 38: Important Notice On Curved Screen Display

    If shorter throw ratio projector is used, to select a projector with warp function will get more flexible geometry alignment range. ➢ User can use projector warp or keystone correction function to do preliminary alignment before GeoBox alignment to enlarge the flexibility in geometry alignment range.

  • Page 39: Geometry Alignment Via Gct Pc Tool

    G812 User Guide Document: G812-3 4.4. Geometry alignment via GCT PC Tool ➢ GCT is a PC tool executed through PC. No software driver is required. Once user opens GCT and connects with PC through Ethernet or USB, user can execute edge blending settings through PC keyboard and mouse up to [17x9] control points and [120x68] pixel position fine-tune.

  • Page 40: Save Settings

    G812 User Guide Document: G812-3 [Raw Grid] is for detailed position fine-tune after [17x9]. The maximum adjustment point is 100. After [Raw Grid] alignment, user can go back to [17x9] or [2x2] to do further adjustment. The adjustment points under [Raw Grid] adjustment will remain at the same location without changing by [2x2] or other alignment.

  • Page 41: Video Wall] Settings

    G812 User Guide Document: G812-3 [Video Wall] setting ➢ The purpose for Video Wall Setting is to split the image and assign specific image to each projector. The overlap pixel setting is to change the cropping area for each projector based on the overlap size.

  • Page 42: Pan]: Assign Image Location

    G812 User Guide Document: G812-3 For 3 projectors at horizontal position, Horizontal Zoom=3, Vertical zoom=1 For 3x3 displays (9 projectors), Horizontal Zoom=3, Vertical Zoom=3 5.2. [Pan]: assign image location Use [Pan] to determine the location of each split image in both horizontal and vertical directions.

  • Page 43: Position]: Shift Image Position Without Changing Image Size

    G812 User Guide Document: G812-3 ➢ In multiple projector applications, the Overlap value can be determined by VNS Excel Spread Sheet as showed in below chart with RED mark. User can follow this value to get the right overlap settings with clear image.

  • Page 44: Edge Blend] Settings

    G812 User Guide Document: G812-3 [Edge Blend] settings ➢ Edge Blend is to merge the images from multiple projectors to become one seamless image. ➢ The scaling factor between two adjacent images shall be the same. It means the image size under the same resolution should be the same.

  • Page 45: Edge] Selection Location And Set Edge Blending Value

    G812 User Guide Document: G812-3 [Edge Blend] hotkey 6.1. [Edge]: select location and set edge blending value ➢ [Edge] is to select the edge for edge blend and set overlapped pixel number. ➢ User can execute edge blending at any edge.

  • Page 46: Gamma]: Color Correction In Edge Blending Area

    G812 User Guide Document: G812-3 [Shift] is to shift [Edge Blend] location in [Edge Blend] edge. If the value is set to “-“, it will uplift the color in the border of edge blending area. It will execute [Edge Mask] on the edges in non-overlapped region.
  • Page 47 G812 User Guide Document: G812-3 Three sub-menus under [Gamma] menu: ➢ [Transition] Gamma: ✓ To set edge blending area gamma value via discrete RGB gamma curve value adjustment. The gamma value range for each RGB color is from 0.9-3.0. ✓...

  • Page 48: Black Level Uplift: [Offset] & [Corner] Adjustment

    G812 User Guide Document: G812-3 6.4. Black level uplift: [Offset] & [Corner] adjustment ➢ If the ambient light is dark, audience will see grey region in Edge Blending area. It is due to light leakage from projector optical system and can’t be fixed by signal processing. Low contrast ratio projector will be more serious.
  • Page 49 G812 User Guide Document: G812-3 6.4.1. [Offset] ➢ [Offset] is to set the level for color uplift. It should be determined based on the brightness level in overlap region. ➢ User can select the region for black level uplift and apply the offset value in R.G.B. color to compensate the color difference between overlap region and non-overlap region.
  • Page 50 G812 User Guide Document: G812-3 ➢ 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 a little light leakage in image borders.
  • Page 51 G812 User Guide Document: G812-3 ➢ Procedures for black level uplift: ✓ Select CH-1 (LH projector), select center block as showed in red circle. ✓ Press [OK] and adjust RED color to 150. User will see red color enhancement. ✓...

  • Page 52: Color]: Individual Projector White Balance And Color Correction

    G812 User Guide Document: G812-3 6.5. [Color]: Individual projector white balance and color correction The [Color] function can be applied to individual projector for white balance and color difference correction through separate RGB Gain and Offset adjustment. It will be helpful to compensate projector color difference, lamp brightness decay and lamp replacement issue.
  • Page 53 G812 User Guide Document: G812-3 ➢ When implement edge mask, OSD menu will be also masked. To imlement through GCT will be more convenient without OSD masked issue.

  • Page 54: Grid] (Determine Grid Patter Size)

    6.8. Final image quality fine-tune ➢ The final performance will be a combination of many factors—projector characteristics, projector setting, screen, ambient light and GeoBox setting. ➢ Banding in overlap area under dark environment is caused by light leakage in the projector optic system.
  • Page 55 G812 User Guide Document: G812-3 When using ultra-short throw projectors, the reflection angle in overlap area will be very big. Viewer will see different color banding when watch the image from different viewing angle especially the screen gain value is more than 1.0.

  • Page 56: Example For 3 Projector Edge Blending Procedures

    ➢ Number of projectors: 3 projectors at 3x1 horizontal position ➢ Projector resolution and lumens. 1280*800 (native resolution), 3200 Lum. GeoBox output resolution shall be the same as projector native resolution to get the best video quality. ➢ Overlap pixels and dimension. 8 grids=8*32= 256 pixels ➢...

  • Page 57: Mark Image Location And Install The Projectors

    If setup by IR remote controller, please install IR extender near screen for easy ➢ access by remote controller. The maximum adjusting points is 9x5. User can setup GeoBox through Ethernet. Please use WebGui or GCT PC tool for the ➢ setup. GCT can implement up to 17x9 adjusting points.

  • Page 58: Projector Settings

    Install projectors at a place with image size that can cover required image area and ➢ with minimized keystone to get the best video quality. 7.5. GeoBox Settings Reset GeoBox to default setting. ➢ Select input port. ➢ Select output resolution to be the same as projector native display resolution.

  • Page 59: Geometry Alignment

    [9x5], [17x9]) alignment) ➢ User can install IR extender receiver near screen for easy GeoBox operation. IR receiver extender can be extended through audio cable. ➢ Click channel selection key and [Pattern] key to show grid patterns in all projectors. Press [Pattern] key again will change grid color.
  • Page 60 G812 User Guide Document: G812-3 ➢ If user doesn’t execute VNS Excel Spread Sheet calculation, please use [2x2] alignment and try to let all projectors have similar image size with the overlap area having the same grid number. ➢ Apply [3x3 Curved] geometry alignment to let 9 adjusting points be located at the required position including four corners, edge center points and center line position in each projector.

  • Page 61: Video Wall Settings

    G812 User Guide Document: G812-3 7.7. Video Wall settings Channel selection [Overlap] [Video Wall] hotkey ➢ Click [INFO] key to check if correct input and output timing is in the system. User needs to apply the same input/output timing as VNS Excel Spread Sheet calculation.

  • Page 62: Edge Blending Setting

    G812 User Guide Document: G812-3 ➢ For dual projector edge blending, user can apply still image, select correct edges and adjust [Overlap] value simultaneously and let the image in edge blending area comes closer till without double image. Two projectors shall have the same value (same cropping range). The difference shall not be over 2 pixels.

  • Page 63: Final Image Quality Fine-Tuning

    If banding effect is visible in overlap area, please try below method: ✓ GeoBox [Gamma]: 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 64: Save/Load System Settings

    G812 User Guide Document: G812-3 Save/Load System Settings After finishing system settings, user can save the setting via OSD menu through ➢ [Menu] [Options] [Setting] [Profile] [Save] [Index 1-5]. It will take effect for ➔ ➔ ➔ ➔ ➔ one channel only. User needs to save each channel separately.

  • Page 65: Multiple Unit Applications

    [Load] user settings channels at the same time Multiple unit applications 9.1. System connection in multiple unit edge blending ➢ Connect input signal to G812 HDMI-1 and looped out to second processor HDMI input port. No special sequence is required.
  • Page 66 Press [INFO] hotkey to check if the final in/out timings are the same as expected. Usually, one 4k signal source can be applied for up to 20 meters screen through 2x G812 & 8x projectors. If bigger screen is required, user can apply multiple signal sources through multiple...

  • Page 67: Content Overlap Setting Issue

    ➢ These PC or media player needs to be synchronized. ➢ GeoBox can crop the right overlap pixel inside one content for each projector but not for the pixel between two independent contents. ➢ The Overlap content between two independent signal sources shall be handles through below methods: To set Overlap image through PC display card.

  • Page 68: Convenient Setting In Multiple Unit Application

    9.3.2. Setup by Ethernet User can connect all G812 in one Ethernet Router (WiFi Router or switch/hub) through LAN ports and set different Static IP address for each Box, then use WebGui virtual keys or GCT PC tool to control...

  • Page 69: Webgui And Gct Pc Tool

    There is no limitation in the number of M810 that can be controller at the same time. ➢ If the system is connected through UPT cat 5/6 cable between PC and GeoBox, user needs to manually set TCP/IPv4 with the same network segment such as 192.168.0.105 with subnet Mask at 255.255.255.0 and connect through Chrome or Edge.
  • Page 70 New GCT version needs to match MCU code and FW version. When user apply new GCT and see [MCU code is too old] message, please update new FW & MCU code. Please download from website under SUPPORT tab. ➢ When user turns off GeoBox, the settings will not change.
  • Page 71 G812 User Guide Document: G812-3 10.1.2. Procedures for edge blending via GCT System connection Ethernet: For multiple unit control, please user Ethernet Router for the connection with multiple boxes and set different IP address for the control. USB: connect with USB-Type B cable.
  • Page 72 G812 User Guide Document: G812-3 Set output resolution Output resolution should be the same as projector Native Resolution. Set required output resolution under [Output] menu. [Warp Adjust]: start geometry alignment All channels should execute geometry alignment at the same time to let grid lines perfect matching.
  • Page 73 G812 User Guide Document: G812-3 Start from [2x2] geometry alignment in all channels and let the image in each projector to be located at desired (pre-marked) location. Following [3x3]➔ [5x3]➔ [9x5]➔ [17x9] in all channels at the same time to let all grid lines in overlap area to be stacked perfectly.
  • Page 74 G812 User Guide Document: G812-3 (14) [Video Wall] settings ➢ [Video Wall] is to split the image and assign the location for each projector. It will also adjust the overlap pixels for related edges based on the overlap size. ➢ Please see detailed description in [Video Wall] section,...
  • Page 75 G812 User Guide Document: G812-3 [Edge Blend] setting [Edge Blend] is to set seamless edge blending effect between two adjacent projectors. (15) Click [Show Marker]: green and red lines will show up at both edges in edge blending each region. Please select the edge...
  • Page 76 G812 User Guide Document: G812-3 Save final settings User can save the final settings into two locations: (21) [Save Profile]: under [System] menu, user can save the final setting into profile index by selecting number in [Save Profile] (22) [Save Setting]: it will save current settings into BSF file in PC. It will not include Profile data.
  • Page 77 G812 User Guide Document: G812-3 Miscellaneous functions (30) (31) (27) (28) (29) (27) [Picture]: Input selection, image rotation, aspect ratio, color adjustment. (28) [PIP Setting]: select PIP/POP/3/4 split view types and set PIP size and location. (29) [Sub Win setting]: select sub-win signal source, rotation, aspect ratio and overlap setting...

  • Page 78: Advanced Applications And Settings

    2D screen. 10.1.2 System installation and setup a. GeoBox should not be installed at side of the projector where the ventilation hot air comes out. b. Two projectors can be put side by side or top/bottom. Closer position will reduce geometry adjustment range and reduce the loss of the image resolution and brightness.
  • Page 79 GeoBox. GeoBox will decode and distribute the signals for two projectors. d. Each GeoBox output is connected to one projector for right/left eye display. e. Install polarized filter at some distance from projector lens to avoid thermal damage (at least 5-10 cm depending on projector lumens).

  • Page 80: Active 3D Application

    720p/XGA/WXGA 100Hz/120Hz or FHD 60Hz frame sequential 3D signal for DLPLink 3D Ready projectors. GeoBox can also apply geometry alignment for active 3D curved screen display. If user wants to implement active 3D edge blending, user can’t use color wheel synchronization system in DLP 3D Ready system and needs to find a method for the synchronization of multiple projectors because the color wheel in multiple projectors can’t be synchronized.
  • Page 81 G812 User Guide Document: G812-3 W2=5m W1=2.5m W3=3m The dimension of W1 is only 2.5m, it is possible using one projector to project onto W1 & W2. User needs to use [Corner Wall] or the geometry alignment. Due to big geometry alignment and off axle projection, the video quality will be lower.
  • Page 82 G812 User Guide Document: G812-3 ✓ W1: Zoom: H=4, V=1, Pan: H=1, V=1 Overlap: 3840/4=960, 914-960= -46➔ Right Edge = -46, Other Edge=0 ✓ W3: Zoom: H=4, V=1, Pan: H=3, V=1, Overlap: 3840/4=960, 1097-960= +137➔ Left Edge = +137, Other Edge=0 ✓...

  • Page 83: Portrait Edge Blending

    When execute image 90/270 degrees rotation, the input source resolution can be up to 4k/30Hz. Original image at landscape • Projector at portrait position to increase image height • Source image is rotated by GeoBox at 90° • Zoom: H=3, V=1 in all projectors • PAN settings are showed in each image. •...

  • Page 84: Flexible Display

    If the content has the same aspect ratio as the screen, the system can be setup to show no distortion image. ➢ In order to reserve flexibility for different user environments, GeoBox allows user to set different display modes. Below is the example for 3 projector edge blending system. Case A: All-in-one: display one content across entire screen.

  • Page 85: Discrete Content Displayed In Each Projector

    Signal source selection: only one HDMI input source can be selected as discrete display input source in one processing module. User shall select from below combinations: HDMI+VGA, HDMI+DP or DP+VGA。It means one G812 can provide two HDMI signals and the rest shall be from VGA or DP.

  • Page 86: Miscellaneous Settings

    G812 User Guide Document: G812-3 12. Miscellaneous settings 12.1. Helpful tips for edge blending ➢ G810 can support interlaced signal source (i.e. 1080i). However, if user rotates or flips the image, there will be no 3D motion adaptive de-interlaced function. User may see some small flick image while the input is still image.

  • Page 87: Edid Settings

    VESA standard timing. ➢ If the signal is from PC, user can set customized EDID in GeoBox to let PC output expected resolution. Some PC may not follow GeoBox EDID resolution setting and require customized output setting from display card or re-boot.

  • Page 88: Hdmi Vs. Dvi Output Signal

    G812 User Guide Document: G812-3 Factory setting mode. Inside factory setting mode, user can select [EDID Write] and press [Enter] to do EDID reset. After see PASS, then back to [Exit] to close OSD window. Activate EDID setting menu: [Options]➔ [Setting]➔ [EDID] Use IR remote controller to select desired EDID.

  • Page 89: System Standby And Automatically Turn Off 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 G812 will also be terminated at the same time. If G812 detects input signal again (hot plug sinal), it will automatically turn on the system.

  • Page 90: Limitation In Image Flip And Rotation

    HDCP compliant issues: If the input source or the monitors are not HDCP compliant, it is possible to stop GeoBox from negotiating HDCP link and show intermittent, abnormal or no image. Please check HDCP condition in signal source or display device.

  • Page 91: Video Quality Issues

    13.4. Video quality issues ➢ Try to use the highest signal resolution and number of color bits (RGB 4:4:4) allowed by GeoBox. Please click INFO key to verify input/output resolution. ➢ There are a number of lower-quality AV players, the specification and actual output are difference.

  • Page 92: Image Position Shift After Installation

    GeoBox is digital processor and will not change image position only for few pixels. ➢ Please open test patters in GeoBox before edge blending and put marks on 4 corners of each projector as reference for future image position recovery by [2x2] alignment.

  • Page 93: Synchronization Issue In The Outputs

    Sink device (projector): type and model number Screen details or specific application details. GeoBox model No. and series No. Details of the signal source and the resolution. Press [Info] key to get System Information and send the data to us, including input/output timing and F/W version.

  • Page 94: Safety Precaution And Maintenance

    Apart from what is detailed in User Guide, maintenance should be carried out by competent technician assigned by VNS. If G812 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 95: Specification

    Output is progressive RGB.  G812: 1x HDMI 2.0b loop out ports for multiple unit daisy chain connection. G814: 2x HDMI loop out.  Warp engine for geometry alignment up to 17*9 control points in IR control and GCT PC Tool.
  • Page 96 DC 12V 1A output for signal extender.  Power consumption: - Without DC12V/1A output: G812: AC 240V, 0.05A/11.9W, 110V: 0.106A/11.7W, G814: AC240V 0.139A/33.4W, AC110V: 0.295A/32.5W - With DC12V/1A output: G812: AC 240V: 0.10A/23.9W, 110V: 0.215A/23.7W, G814: AC240V: 0.139A/33.4W, AC110V: 0.295A/32.5W...