Page 2 - Contents; Introduction; Figures
VP-790 Blending Images – Introduction i Contents 1 Introduction 1 2 Setting the Basic System 2 2.1 Optical Alignment 3 3 Setting Blend Width 7 4 Warp Adjustment 10 4.1 Warp the Projection Image on to a Curved Screen 10 Figures U Figure 1: Basic Setup U 2 U Figure 2: Image Projection U 3 U Figure 3: ...
Page 3 - Warp Generator application software.
VP-790 Blending Images – Introduction 1 1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront the video, audio, presentation, and broadcasting professional on a...
Page 4 - Setting the Basic System; Figure 1
2 VP-790 Blending Images - Setting the Basic System 2 Setting the Basic System The basic system, illustrated in Figure 1 , shows a video source distributed to two VP-790 units and output to two identical projectors. Figure 1: Basic Setup One video source is distributed to both VP-790 units via a dis...
Page 5 - Optical Alignment; Figure 2; Use the
VP-790 Blending Images – Setting the Basic System 3 2.1 4B Optical Alignment U Figure 2 U shows an example of the two 4:3 projectors being used to project a single 16:9 image. Figure 2: Image Projection Set the projectors so that the light from both projectors covers the whole screen area. Use the V...
Page 6 - Setting the VP-790 Functions
4 VP-790 Blending Images - Setting the Basic System 2.1.1 Setting the VP-790 Functions Set the VP-790 functions via the OSD menu as follows: • Select Setup, Control Setup and then set the Menu Timeout to Infinite to turn off the menu timeout • Select Output, then select Resolution to set the output ...
Page 7 - Setting the Position in the Matrix
VP-790 Blending Images – Setting the Basic System 5 2. Select the horizontal grey bars test pattern in one of the two following ways: Exit the OSD menu and use the up/down arrow buttons on the front panel to cycle through the available patterns In the top OSD menu select Input, and then Test Pat...
Page 8 - Define the blend region for the
6 VP-790 Blending Images - Setting the Basic System 4. Define the blend region for the VP-790 units: In the Multiunit menu, select Blend Width and set the overlap region to Right on the left hand VP-790 unit and Left to the right hand unit 5. Set Auto zoom to ON. Figure 5: Two Overlapping Images o...
Page 9 - Setting Blend Width; In the Multiunit menu:
VP-790 Blending Images – Setting Blend Width 7 3 Setting Blend Width In the Multiunit menu: 1. Select Blend Curve Type and select Align Pattern to turn on the Blend Width alignment tool. The align pattern displays a sharp border of the blend and non-blend regions, making it easier to determine the w...
Page 10 - Figure 6; Figure 8
8 VP-790 Blending Images - Setting Blend Width The two vertical lighter stripes near the center of the screen are the blend width alignment tool. This is a visible cursor which will move as the blend width is adjusted: • Line 1 is the left hand edge of the right hand projection • Line 2 is the right...
Page 12 - Warp Adjustment; To clearly see each projection separately; Warp the Projection Image on to a Curved Screen; For curved and irregular shaped screens, use the
10 VP-790 Blending Images - Warp Adjustment 4 Warp Adjustment The images from both processors/projectors must be geometrically corrected to fit the screen and the overlapped regions must be set to align accurately. This is achieved by warping (changing the shape) the image. 1. Change the test patter...
Page 13 - Downloading and Installing the Warp Generator
VP-790 Blending Images – Warp Adjustment 11 4.1.1 9B Downloading and Installing the Warp Generator To download, install and use the VP-790 Warp Generator software, refer to the VP-790 Warp Generator online guide. Connect your PC to both VP-790 units via a LAN connection (refer to the VP-790 Warp Gen...
Page 14 - Click the Connect button on the top left corner of the screen.; The following window appears:
12 VP-790 Blending Images - Warp Adjustment 2. Click the Connect button on the top left corner of the screen. One of two connection windows appears: The Auto Connect window to reconnect to a previously connected unit (see Figure 11 ) The Connect to Unit window if you need to enter a new IP addre...
Page 15 - Resample the grid to start with a grid mesh of nine points.; the comment Warp Success to appear in the Send Warp area.
VP-790 Blending Images – Warp Adjustment 13 4. Resample the grid to start with a grid mesh of nine points. Figure 14: Setting a Grid Mesh of Nine Points 5. Check the Mirror and Snap boxes in the Evaluator Control window to turn them off. 6. Adjust the position of the nodes with either the mouse or t...
Page 16 - Note that in the example in
14 VP-790 Blending Images - Warp Adjustment Note that in the example in Figure 15 , the size and shape of the squares are not even across the whole screen. The linearity needs adjustment. Linearity is achieved by adjusting the center positions as indicated in Figure 16 . Note the relative sizes of t...
Page 17 - In the Multiunit OSD menu switch the Blend Curve Type to S-Curve.
VP-790 Blending Images – Warp Adjustment 15 Figure 17: Complete Linear Adjustment 8. In the Multiunit OSD menu switch the Blend Curve Type to S-Curve. Figure 18: Blend Curve Type – S-Curve 9. Select the video source (via the Input OSD menu item) on both VP-790 units.