The Postium OBM-U090 is a high - performance 9 - inch 4K monitor perfect for UHD/4K field production monitoring. It can display up to UHD/4K signals, scaled down to a native 1920x1080 resolution. With standard 12G/6G/3G - SDI input interfaces (x2) and HDMI 2.0 input, it supports 4K Quad Link 2 - Sample Interleave and 4K Quad Link Square Division signals via SDI. It also has support for Analog Composite/Component I/O. Closed Captioning decode and display for CEA - 708 and CEA - 608 standards are available via SDI input, accepting signals up to 3840x2160/24,25,30,50,60p and 4096x2160/24,25,30,50,60p. The monitor offers excellent display functions. It supports a wide color space including DCI - P3 and ITU - R BT.2020, controlled by an advanced 3D LUT for accurate color reproduction. It supports 3D Look - up Table import for consistent color matching. The OBM - U series has built - in Camera Log to Linear conversion LUTs from various camera manufacturers. High Dynamic Range (HDR) Emulation is available, supporting PQ EOTF, Hybrid Log Gamma and S - Log3. It provides SDR/HDR Display modes and Color Space / Dynamic Range / Gamma Comparison features. Focus Assist helps with camera focus, and False Color indicates Luma levels. There are multiple Gamut Error Type display modes. Black Stretch enhances dark - area visibility. It also has 4K HDR Waveform Monitor and Vector Scope Display modes, adjustable Gamma control, and a Scan Mode. The OBM - U series comes with various Frame Markers/Mattes. Key features include a weight of 6.61 lbs, dimensions of 10.51 x 7.55 x 3.54 in, support for multiple input resolutions, a 9 - inch screen, and a native resolution of 1920x1080. Technical specifications cover a wide range of input/output interfaces, signal formats, audio options, and display details, with power requirements of DC 12V and a power consumption of 36W.

Using the Postium OBM - U090 monitor is straightforward. First, connect your device to the appropriate input interface like 12G - SDI, HDMI 2.0, or others based on your device type. When powering on, make sure to use a DC 12V power source. For color and display settings, you can choose from the available color spaces and dynamic range options to get the best visual output. If you want to compare different settings, use the color and gamma comparison features. When using the Focus Assist, it will help you sharpen the edges of the image on the screen to make focusing easier. For closed captioning, ensure your input signal has the relevant CEA - 708 or CEA - 608 standard. Regarding maintenance, keep the monitor in a clean environment. Avoid exposing it to extreme temperatures; it's designed to work between 0°C - 40°C (32°F - 104°F) and 20% - 80% humidity. If you need to update the firmware or perform color calibration, use the USB port. Also, handle the monitor gently to prevent any physical damage to the screen or the body. If you plan to use optional accessories like the rack - mount kit or carrying case, follow the installation instructions provided with them.