Yamaha CS-R5 CS-R5 Owners Manual [English] - Page 21

Rear panel                ! ?  LAMP jacks These four 4-pin female XLR output jacks are used to supply power to optional Yamaha LA1L gooseneck lamps.  MIDI OUT/IN jacks These jacks are used to transmit/receive MIDI messages to/from external MIDI devices.  GPI connector This is a D-sub 25-pin female connector that allows communication (8-in, 8-out) with a GPI-equipped external device.  [FAN] switch Sets the internal cooling fan to operate at either HIGH or LOW speed. NOTE This switch is set to LOW when the unit is initially shipped from the factory. As long as the unit is operated within the specified ambient temperature range either the LOW or HIGH setting can be used. The HIGH setting is recommended if the ambient temperature is high, if the unit is in direct sunlight even if the ambient temperature is within the specified operating range, and in any situation in which fan noise is not a problem.  [RESET] switch Resets the control surface. Only the controls (screens, indicators, and control keys and knobs) on the control surface will restart without interrupting audio. Use this switch in case the control surface becomes non-responsive to your operations.  OMNI IN jacks These are balanced XLR-3-31 female input jacks for inputting analog audio signals from line level devices or microphones. Male XLR plug 1 (Ground) 3 (Cold) 2 (Hot)  OMNI OUT jacks These are balanced XLR-3-32 male output jacks that transmit analog audio signals. Female XLR plug 2 (Hot) 3 (Cold) 1 (Ground)  AES/EBU jacks Both input and output jacks feature built-in sampling rate converters. IN These are balanced XLR-3-31 female input jacks that accept digital audio signals in AES/EBU format. OUT These are balanced XLR-3-32 male output jacks for outputting digital audio signals in the AES/EBU format. CS-R5 Owner's Manual 21