Bk-precision 1253 - Manual Bedienungsanleitung

Model 1253 HDTV Multi-Standard Pattern Generator Operator's Manual Version 3.00

3: Needle Description: This pattern is black on the top half and white on bottom half, with lines (needle pulses) drawn from top to botto

4: Color Bars Color Bars 75% Same as the top of the SMPTE Bars Pattern Description: Seven equal-width vertical bars with 75% (gray) at

5: Cross Hatch Description: A grid of 16 x 9 boxes, separated by white lines. Pattern Usage: Used to check and adjust convergence of red

6: DVD Aspect Ratio Description: Grayscale rectangles occupying a user selected aspect ratio, on top of a black background. The outer rec

DVD Aspect Ratios as seen on TVs and Monitors These images show how different aspect ratios will appear on SDTV (4:3) and HDTV (16:9) monitors.

7: Raster Description: Full field color raster patterns at 75% amplitude. Variations: Pressing The Raster button multiple times, seq

8: Multiburst Description: Consists of 6 frequency bands increasing in frequency, from left to right, and separated by gaps of mid gray.

9: Focus BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK

10: Staircase Description: 11 equal-width vertical bars step from black at 0 IRE (7.5 IRE for NTSC) on the left, to 100 IRE (white) on th

11: ANSI Gray Description: Pattern is an all white raster with two centered three-step gray scales. The top gray scale steps are at 10%,

Index Introduction _________________________________________________________________ 2 Operation __________________________________________________

12: Window This PLUGE Bar is the only bar which should be visible Description: Centered 1/3 white window on black background. L

13: Checker Description: Alternating picture areas of black and white in a checkerboard pattern. Pattern Usage: Checks the regulation of

14: Overscan-Bounce (Regulate) Description: Sometimes called "Regulate", this pattern consists or 4 horizontal and vertical lin

Specifications: Number of Video Formats 12: 1: 1920x1080 30i 2: 1920x1080 30p 3: 1920x1080 24p 4: 1280x720 60p 5: 1280x720 30p 6: 1280x720 24p 7: 70

Display Calibration Important Notes: The information in this document describes how the BK Precision BK-1253 HDTV Test Pattern Generator ma

Black-level Calibration Procedure: Black-level should be adjusted at the beginning of a complete display calibration. It must also be monitored and

than is a full screen measurement. Most fixed-pixel projection systems produce the same brightness in full fields as small areas because they have fi

Short-term high-voltage stability problems may be evident on the inner horizontal staircase of the PLUGE pattern. Look for trapezoidal distortion

3. Geometry Calibration Geometry calibration is the process of adjusting the display for the correct picture size, while ensuring that horizontal and

4. Convergence Calibration Convergence calibration is the process of aligning the separate red, green and blue CRT beams in direct-view monitors, or

Introduction Thank you for purchasing the BK-1253, the affordable HDTV-Component test-pattern-generator, designed to be a useful tool for the new ge

5. Color Temperature and Grayscale Calibration Accurate color depends on calibrating the display for the proper grayscale color temperature of 6500 d

A good initial procedure is to adjust the Bias controls for D65 using the 25 IRE Grayscale Window pattern and then adjust the Gain controls for D65 u

6. Color Saturation & Hue Calibration HDTV displays with YPbPr component video inputs include a Color saturation control. This changes the amplit

7. Sharpness/Detail Enhancement Calibration If the display includes Sharpness or Detail Enhancement controls they should be calibrated to maximize ap

8. Other Performance Checks A Checkerboard pattern with black and white squares is included for measuring the amount of light leakage in the black

Limited One-Year Warranty B&K Precision Corp. warrants to the original purchaser that its product and the component parts thereof, will be f

Service Information Warranty Service: Please return the product in the original packaging with proof of purchase to the below address. Clearly

22820 Savi Ranch Parkway Yorba Linda, CA 92887 USA TEL: 714-921-9095 FAX: 714-921-6422 SN: 481-419-9-001 Printed in USA  2003 B&K Preci

OPERATION: The POWER Switch This Power Switch, on the right side of the unit, turns the power to the unit on and off. Slide the switch the upward

The PATTERN Buttons These 14 buttons may be pressed at any time, to select the Pattern displayed as an icon on the button. Some Pattern buttons may

Connecting the unit There are 3 BNC connectors on the top of the unit, labeled Y, Pb and Pr. These are HDTV-Component video connections to be connec

Patterns 1: SMPTE Bars (Society of Motion Pictures and Television Engineers) Description: 7 equal width vertical bars in 3 groups. The

There are various other applications for SMPTE Bars. It has value in VTR testing and in quick checks of the system phasing thru monitors and Vectorsc

2: PLUGE (Picture Line Up Generator Equipment) Description: The Pluge pattern (Picture Line-Up Generator Equipment – BBC development) is ar