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Display Technologies and Video Systems Flashcards

7 cards from real CTS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Display Technologies and Video Systems flashcards as text
  1. Which video synchronization method embeds sync information within the luminance signal itself, eliminating the need for separate sync lines?

    Answer: Sync-on-green (SOG)

    Sync-on-green (SOG) embeds the horizontal and vertical sync pulses onto the green channel of an RGB signal, requiring no dedicated sync wire.

  2. A CTS candidate is evaluating ambient light for a display installation. The room measures 150 lux at the screen surface. Using the recommended screen luminance-to-ambient ratio guideline, what minimum screen luminance (in nits) should the display produce?

    Answer: 450 nits

    A 3:1 screen luminance to ambient illuminance ratio is commonly recommended; 150 lux × 3 = 450 nits minimum screen luminance for adequate contrast.

  3. What is the primary advantage of using DisplayPort Multi-Stream Transport (MST) in a professional AV installation?

    Answer: It allows multiple independent displays to be daisy-chained from a single DisplayPort output

    DisplayPort MST allows multiple independent video streams to be transmitted over a single cable and daisy-chained through compatible displays or hubs.

  4. A technician is aligning a dual-projector edge-blend system. After geometry correction, there is still a visible bright seam at the overlap zone. What should be adjusted next?

    Answer: Apply gamma correction to the overlap zone using the blend overlap width and falloff curve settings

    The bright seam in an edge-blend overlap zone is corrected by adjusting the blend width and the luminance falloff curve so that the two projectors' contributions sum to uniform brightness.

  5. Which VESA display standard defines the mounting hole pattern commonly used for professional flat-panel displays up to 800×400mm spacing?

    Answer: VESA FPMPMI (Flat Panel Monitor Physical Mounting Interface)

    The VESA FPMPMI standard defines the standardized mounting hole patterns (e.g., 75×75, 100×100, up to 800×400mm) used for flat-panel display mounting.

  6. A client wants to display different content zones on a single large LED videowall simultaneously. Which technology enables independent content regions on one display surface?

    Answer: Video wall processor with multi-window/zone capability

    A video wall processor with multi-window capability can accept multiple independent video inputs and assign each to specific zones or regions across the display surface.

  7. When specifying an LCD display for a 24/7 digital signage deployment, which panel rating should be prioritized over consumer-grade specifications?

    Answer: Commercial-grade with rated MTBF and continuous-duty hours specification

    Commercial-grade displays are engineered and rated for continuous 24/7 operation with specified MTBF (Mean Time Between Failures), unlike consumer panels rated for 8-12 hours daily use.