Yamaha 02R96 Owner's Manual - Page 208
GPI (General Purpose Interface), USER DEFINED KEYS
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GPI (General Purpose Interface) 195 GPI (General Purpose Interface) The 02R96's CONTROL port (25-pin D-sub connector) provides a GPI (General Purpose Interface) for controlling external equipment. Pinouts are provided on page 271. The eight GPI outputs can be configured so that they output trigger signals when faders or USER DEFINED KEYS are operated. The GPI can also be used to control a "RECORDING" warning light outside a studio, or to trigger the Solo function of a Yamaha 02R Digital Recording Console. 1 Use the DISPLAY ACCESS [SETUP] button to select the GPI page. The names of the parameters currently assigned to each GPI Output are displayed in the left-hand box. The parameter currently assigned to the selected GPI Output appears highlighted in the right-hand box. 2 Use the Up/Down cursor buttons to select a GPI Output. 3 Use the Parameter wheel or the INC/DEC buttons to select a function. A function is selected when it appears inside the dotted box. See the "GPI Trigger Source List" on page 217 for a complete list of assignable functions. 4 Press the [ENTER] button to assign your choice. Once assigned, the selected function appears highlighted in the right-hand box. Faders: Faders can be used to control external equipment. A FADER ON event occurs when a fader is moved up from -∞. A FADER OFF event occurs when a fader is moved down to -∞. When such an event occurs, the assigned GPI Output goes High (+5 V) for approximately 250 msec. USER DEFINED KEYS: These buttons can be used as general-purpose triggers. For UNLATCH, when a USER DEFINED KEY is pressed, the assigned GPI Output goes High (+5 V) for approximately 250 msec. For LATCH, when a USER DEFINED KEY is pressed, the assigned GPI Output goes High (+5 V) and remains High until the USER DEFINED KEY is pressed again. REC LAMP: This source can be used to control a "RECORDING" warning light outside a studio. When the [REC] button indicator is lit, the assigned GPI Output goes High (+5 V). POWER ON: While the 02R96 is powered up, the assigned GPI output is High (+5 V). The 02R96 also features two fixed GPI inputs for use with talkback and dimmer. Each time the GPI0 input goes Low (ground), the TALKBACK button is turned on or off. Each time the GPI1 input goes Low (ground), the DIMMER button is turned on or off. 02R96-Owner's Manual