Yamaha AD8HR AD8HR Owners Manual - Page 6

Part Names and Functions NOTE: To avoid loud noise from the speakers, turn on the power first to the connected devices that are closest to the sound source. Example: Sound source → AD8HR → Mixer → Power amplifier To turn off the power to the system, reverse the order described above. Rear Panel 34 12 5 6 78 9 A Grounding screw For safety, use this screw to ground the AD8HR. The included power cable has a three-pin plug. If the AC outlet is grounded, the AD8HR will be grounded correctly via the power cable. If the AC outlet does not provide a suitable ground, this screw must be connected to a suitable ground point. Grounding is also an effective method for eliminating hum, interference, and other noise. B [AC IN] connector Connect the included power cable here. First, connect the power cable to the AD8HR, then insert the power cable plug into the AC outlet. WARNING Be sure to use the included power cable. Use of other cables may result in malfunction, heat generation, or fire. C [HA REMOTE] connector 1 This D-sub 9-pin connector is used to connect a computer or Yamaha PM5D Digital Console or DM2000 to control the AD8HR remotely. In a multiple AD8HR system, connect an AD8HR to [HA REMOTE] connector 1 on an additional AD8HR. NOTE: Please visit the following Yamaha website for the latest information about the devices that can control the AD8HR remotely. http://www.yamahaproaudio.com/ D [PC RS422] switch If you connect a computer to [HA REMOTE] connector 1, set this switch to PC. If you connect a Yamaha PM5D or DM2000, or an additional AD8HR in a multiple AD8HR system, to [HA REMOTE] connector 1, set this switch to RS422. E [HA REMOTE] connector 2 In a multiple AD8HR system, connect one AD8HR to this D-sub 9-pin connector on another AD8HR. F [DIGITAL OUT A/B] connector These D-sub 25-pin connectors output AES/EBU format digital audio. In Double Speed mode, each connector outputs digital audio data routed from Channels 1-8. In Double Channel mode, the [DIGITAL OUT A] connector outputs digital audio data routed from Channels 1-4, and the [DIGITAL OUT B] connector outputs digital audio data routed from Channels 5-8. G [WORD CLOCK OUT] connector This BNC connector outputs a wordclock signal. H [WORD CLOCK IN] connector This BNC connector inputs a wordclock signal. This connector is terminated at 75Ω. I INPUT 1-8 connectors These balanced XLR-3-31-type connectors are used to input analog signals to the corresponding channels. 6