included: 2700 Series: on screen displays, C/Ku switching, digital sound, satellite memory increases with the model number. 2600 Series: similar to 2400 except with on-screen displays. 2400/2500 Series: There were no on-screen displays: everything was controlled from the remote and front panel. Two alphanumeric displays indicated the current satellite and transponder. A GI 2000PS was needed to use a dish motor. Digital Stereo Audio was available on VideoCipher channels, C/Ku compatible. The 2400 was re-branded in the early 1990s by Rural Cable and sold with a fixed C band dish pointed at Galaxy 5. 350 Regular: simple receiver with a separate dish mover (some will have a stationary G5 satellite). 350i Super: extensive on-screen displays, 50 satellites (C or Ku with external switch), digital sound. 450i/550i/650i: extensive on-screen displays, C/Ku pre-programmed satellites, digital sound, extras. 4DTV: interactive program guide, two favorite lists, C/Ku band, many other features. InfoCipher 1500P: an early satmodem used with one-way data services, such as X*Press X*Change. American Totalisator Corporation/AmTote American Totalisator was a division of General Instrument Corp. It manufactured tote boards for the horse racing industry. It is now owned by horse-track operator Magna Entertainment Corporation. Underseas Lab (Harris ASW) Underseas Lab, a division of General Instrument Corp., located in Westwood, Massachusetts. It invented and manufactured multibeam sonars used in ocean floor mapping. It was acquired by Channel Technologies and is now owned by L-3 Communications. Jerrold Jerrold was GI's original cable TV brand, active from 1948 into the early 1990s. Around 1993, GI dropped the Jerrold name from their product lines. The Jerrold brand was prominent on both addressable and non-addressable cable TV converter boxes that were used on non-cable ready sets and cable-ready sets with premium pay services. "Jerrold" is the middle name of the company's founder, Milton Jerrold Shapp, who became Pennsylvania's 40th governor in 1971. Shapp's given name was Milton Shapiro. GI Microelectronics GI Microelectronics was a manufacturer of LSI circuits and a pioneer in MOS technology and Electrically Alterable ROM (EAROM), with both off-the-shelf and custom circuits. GI spun the division off as Microchip Technology in 1987. In 1980, their product catalog included: 16-bit Microprocessor: CP1600 and 1610, a 16-bit CPU, used in the GIMINI TV-game set and in Mattel's Intellivision 8-bit Microcontroller: the PIC1650, an NMOS chip. The CMOS version of this chip is the basis of today's PIC microcontrollers. ROM EAROM Telecommunications chips Other products included the