sandersAssociates :: graphic8 :: H-82-0176 Vistagraphic 3000 Graphic 8 Series 8000 Operation and Maintenance Manual Feb1983 . momentary action, of which 50 areupper and lower case 16, momentary action 16, momentary action +5V, 4-1%, 750 mA lai+15V,~+1%, 50 mA max-15V, *1%, SO mA max Logic low is to* +0»45VLogic high is + to + Serial, RS-23 2 compatible,negative true • Rest * low m Logic 1 » low m Code ~ 10 bit {one start bit,eight data bits, one stop bit) Model 57 83 - 50 feet Model 5784 - 100 feet with external +5V power supply +4°C to +49°C (40°F to 120°P) -40°C to +60°C (~4Q°F
sandersAssociates :: graphic8 :: H-82-0176 Vistagraphic 3000 Graphic 8 Series 8000 Operation and Maintenance Manual Feb1983 . momentary action, of which 50 areupper and lower case 16, momentary action 16, momentary action +5V, 4-1%, 750 mA lai+15V,~+1%, 50 mA max-15V, *1%, SO mA max Logic low is to* +0»45VLogic high is + to + Serial, RS-23 2 compatible,negative true • Rest * low m Logic 1 » low m Code ~ 10 bit {one start bit,eight data bits, one stop bit) Model 57 83 - 50 feet Model 5784 - 100 feet with external +5V power supply +4°C to +49°C (40°F to 120°P) -40°C to +60°C (~4Q°F to 140°F) 5% to 95%, non-condensing 483 mm Hg to 813 mm Hg (19 to 32inches Hg) 1-21 Table 1-4. Model 5783/5784 Keyboard Specifications (Cont) PARAMETER Dimensions Weight CHARACTERISTIC 475 mm wide by 206 mm deep by 94 mmhigh ( by by inches) kg (7 lbs.) . • Model 5789 Keyboard. The model 5789 alphanumeric, fixedfunction, programmable function keyboard (AM/PF/PFK). is self contained in an aluminum housing, designed for desk top or similar use. Figure1-9 shows the AN/FF/PFK &m»2-»79-004M 82 Cfl-i. >.<» Figure 1-9. Model 5789 Keyboard The keyboard contains three separate key sets: a main block of75 ASCII alphanumeric, symbol, and fixed function keys; a four-by-fourmatrix of 16 programmable function keys to the right (the matrixkeyboard); and a row of 20 programmable function keys across the top(the function keyboard). In addition, 12 of the keys in the top rowof the main block are also programmable, making 48 programmablefunction keys in all. Each key (except the SHIFT, ALT, and LOCK keys), when pressed,causes a 10-bit code to be generated and sent to the multiport serialinterface in the terminal controller. The 10-bit code consists of astart bit, eight data bits, and a stop bit. The least significant•bitof the eight data bits is sent first,, the most significant bit serial data has the following characteristics:
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1, booksubjectcolor, booksubjectmemory
