No matter which operating environment you’re working in, the ADDS 4000 will be right at home. The ADDS 4000 features two pages of display for full or split-screen viewing and variable-speed smooth scroll. The ADDS 4000 was designed with the utmost consideration for user comfort and convenience. The reduced-glare, high-resolution flat-faced screen of the CRT features selectable refresh rates of 60, 71, 82 and 100Hz for flicker-free viewing, phosphor white display and bezel-to-bezel overscan. Full tilt and swivel adjustment and conveniently located user controls make adjustments easy.