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Panasonic BT-4LH310 31" 4K Production Monitor

Panasonic
SKU
BT-4LH310P
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$12,500.00
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Product Highlights:

  • 4096 x 2160 (DCI 4K) Native Resolution
  • 10-Bit, LED Backlit IPS Panel
  • 4 3G-SDI, 2 HDMI & 2 DisplayPort Inputs
  • Covers 100% of EBU & SMPTE-C Color Space
  • Focus Assist, Markers, and Grids
  • Y-Map, Zebra, and RGB Display Modes
  • LUT Upload Function
  • Time Code and Closed Caption Display
  • 12VDC Powerable
  • Aluminum Frame
main product photo

The Panasonic BT-4LH310 31" 4K Production Monitor is suitable for a variety of production environments both in studio and out in the field. It features a 10-bit, 31" LCD panel that is LED backlit, and has a DCI-spec 4K (4096 x 2160) native resolution. It will accept 4K sources through SDI, HDMI, and DisplayPort. In addition to DCI 4K, it will accept QFHD/UHD 4K (3840 x 2160), 2K, and high definition video sources along with up to 16 channels of embedded audio.

The monitor features four 3G-SDI inputs. When used with 4K signals, the image is split into quadrants and all four inputs will be combined into one 4K image. It features two HDMI inputs. Depending on the frame rate, bit-depth, and chroma sub-sampling one or both inputs may be required for 4K signals. And it features two DisplayPort inputs. As with HDMI, one or both inputs may be require, depending on the bandwidth of the 4K signal. For all other resolutions up to 2K only a single input per image is required. This means that in non-4K applications the four SDI inputs can be used to create a "quadview image", displaying all four images on screen at once.

For local audio monitoring there is a stereo headphone jack as well as a 0.5W mono speaker. The monitor can be controlled remotely using RS-485, RS-232C, or GPI and has a tally port that will trigger red, green, or amber LED tally lights above the display. The monitor includes a removable desktop stand, and also features a VESA 200 x 200mm hole pattern on the back so that it can be attached to many standard monitor mounts.

10-Bit LED Backlit Panel

4K Support

The monitor supports 4K through four SDI, two HDMI, and two DisplayPort inputs. For HDMI and DisplayPort 4K sources one or both inputs may be required, depending on the bandwidth; for SDI all four inputs will always be used. Supported frame rates, bit-depths, and chroma sub-sampling ratios include:

3840 x 2160 (UHD)
  • HDMI: Supports up to 60p at 8-bit, 4:4:4 when using two HDMI connections
  • DisplayPort: Supports up to 60p at 10-bit, 4:4:4 when using two connections
  • 3G-SDI: Supports up to 30p at 10-bit 4:4:4; 60p at 10-bit 4:2:2 - four connections always required

4096 x 2160 (DCI 4K)
  • HDMI: Supports up to 60p at 8-bit, 4:4:4 when using two connections
  • DisplayPort: Supports up to 60p at 10-bit, 4:4:4 when using two connections
  • 3G-SDI: Supports up to 60p at 10-bit 4:2:2; 24 or 25p at 12-bit 4:4:4 - four connections always required

In-Plane Switching Technology (IPS)

The LCD panel features in-plane switching, designed to provide greater off-axis viewing angles before significant loss of image quality is experienced when compared to non-IPS panels

Wide Color Gamut

Covers 100% of BT709, EBU and SMPTE-C color gamut specifications for television applications, and covers 96% of the DCI (P3) color gamut specification for digital cinema applications

LUT Upload Function

Allows user-defined lookup tables (LUTs) to be imported, ensuring the same calibration parameters are adhered to when the footage is viewed, edited, or color-corrected across multiple monitors

3D-LUT and 6-Pole Color Correction

Designed to eliminate color phase shifts (drift) in the LCD panel caused by luminance level differences. By providing a look-up table (LUT) for each luminance level and applying 12-bit image processing to each RGB color, it balances the six coordinate poles of the three primary colors (RGB) and their complementary colors (CMY). This is designed to help reproduce the intermediate shades of extremely fine colors

Calibration Function

The built-in calibration function can be used to automatically adjust the white balance, which can drift out of calibration over time, by using commercially available probe sensors and display analyzers. Compatible calibration devices include:
  • Konica Minolta: PU32, PU35, PSU32, PSU35, CA 310
  • Photo Research: PR 655
  • Xrite: i1 Pro

Production Features

Focus Assist

Equipped with two focus assist modes:
  • Focus-In-Red: Overlays a red peaking outline over the parts of the image that are in focus
  • Zoom (4K): Enlarges either the center section of the image or one of the quarter sections 4x and displays it on the full screen

Y-Map, Zebra, and RGB Display Modes

  • Y-Map: Creates a false color image by assigning each luminance step a discrete color and overlays a reference chart identifying the luminance value of each color
  • Zebra: Similar to in-camera zebra overlays, generates 45° bands across parts of the image that exceed a certain, user-defined exposure level
  • RGB Color: Allows you to selectively view only one or two RGB channels at a time

Markers and Grids

  • Aspect Marker: Capable of indicating an image area in one of up to eight aspect ratios: 16:9 (only when 17:9 is set), 4:3, 13:9, 14:9, CNSCO2.39, CNSCO2.35, 2:1 and VISTA
  • Safe Area Marker: Within 17:9, 16:9, and 4:3 aspect ratios: 95%, 93%, 90%, 88%, 80%, USER, DOT / LINE, or VAR (user-defined)
  • Center Marker: Designates the center of the image, and can be used with other markers enabled
  • Cross Hatch Grid: A grid overlay to help determine if the camera is level on the horizon

Quad Display (2K / HD)

Taking advantage of 4K resolution when working with sub-4K video sources. The Quad Display function displays a waveform monitor (WFM) and a vector scope (VSC) as well as one of the Focus-in-Red, Y Map, or Zebra assist functions simultaneously with a full-pixel image from a 2K (2048 x 1080) or HD input source

Frame Grab

Allows a still image to be captured from video and temporarily displayed on the monitor. This function is useful for comparing camera angles or colors between takes or scenes

Error Indication

Transmission and other errors are detected in the SDI source, and the error status is displayed and logged

Audio Level Meter

The audio level meter can be overlaid on the displayed image. Up to eight channels can be simultaneously displayed, and a peak hold function is included. For 3G-SDI input, channels 1-8, or channels 9-16 can be selected

Time Code and Closed Caption Display

Can display either VTC or UB time code on one line, or both VTC and UB on two separate lines. From 2K and HD-SDI sources, can display EIA/CEA 708 closed captions

General Features

Aluminum Frame

Designed to provide a robust enclosure for the LCD panel for added confidence when using the monitor in the field

28VDC Powerable

Accepts 28VDC power to use in the field with professional battery systems. When both DC and AC are connected simultaneously, the AC source takes precedence

Fanless Cooling

Fanless, self-cooling design provides silent operation, for distraction-free use even in quiet editing rooms

Mercury Free LED Backlight

Backlight contains no mercury as an environmental protection measure

Additional Features

  • Tally lamp
  • Speakers and headphone jack on front panel
  • Includes detachable stand
  • Key Lock function disables front panel controls, except for the power switch, menu operation and audio level adjustment
  • Functions can be assigned to five function keys for one-touch operation
  • Energy-saving Auto Power Down when there is no signal input or operation
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