Super Contrast Lens System - Hitachi's exclusive lens design. Multiple, wide aperture precision-molded acrylic/glass elements make up Hitachi's Super Contrast projection television lens assemblies. Special anti-reflective coatings are applied to the lens surfaces and the inside of the lens barrel is blackened to eliminate internal reflections in order to enhance contrast and color accuracy. Designed as a single, coordinated unit, Hitachi's CRT and lens system produces a sharper, brighter, higher contrast image everywhere on the screen.
Dolby Digital - This is a digital surround sound technology used in movie theaters and upscale home theater systems that enhances audio. Home theater components with this technology work in conjunction with a "5.1-speaker" system (five speakers plus a low-frequency subwoofer) to produce true-to-life audio that draws the listener into the onscreen action.
Decibel (dB), loudness - A numeric expression of the relative loudness of a sound. The minimum change in sound intensity that a human ear can distinguish is approximately 3 dB.
Auto Programmable Scan - Allows you to check all available channels in your area (or on your cable system) and automatically tunes them into memory. You can then add or delete the channels of your choice.
Intercom/Two-way paging - The cordless phone doubles as a two-way intercom system. Found on speakerphone models, this feature allows for conversation between the handset and base station. Two-way paging allows the handset user and the base user to alert each other by pressing a button and emitting an audible tone.
A/D - Electronic device that connects an analog television signal to a digital system.
Data - The numbers that make up a digital file.
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