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MRC88 / MRAUDIO8X8 QUICK START GUIDE
08905142A
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c) Slow Green Blink – indicates that the Zone is in the Active, is muted and is not within 5 dB of MAX-V.
d) Slow Red Blink – indicates that the Zone is Active, is muted and is within 5 dB of MAX-V.
e) Fast Green Blink – indicates that Zone is Active, is being ramped Up or Down and is not within 5 dB of
MAX-V.
f) Fast Red Blink – indicates that the Zone is Active, is being ramped Up or Down and is within 5 dB of
MAX-V.
g) Off to indicate that Zone is in Not Active (Keypad OFF).
5. Front Panel Access Door. Push gently on lower half of door to open. Allows access to programming
connections, Level Reset and Front Panel Source 8 A/V Input.
6. Level Reset. Pressing this button twice within 1 second restores all of the Factory Default Settings for all
zones. The Factory Defaults are as follows:
• Mute Off
• Treble and Bass Flat
• Balance Centered
• Z-Adjust Treble and Bass Flat
• Z-Adjust Balance Centered
• Z-Adjust Max-V Cleared
• Z-Adjust Max-On-V Cleared
• Trim Levels Cleared
NOTE: The Control Amp will always return to last set values (plus any unaltered factory defaults) after main
power shut down or after any power interruptions.
7. IR Learning Eye. The IR Eye on the MRC88 Controller front panel allows teaching IR Codes to Universal
Dragon™ Software via the Control Amp when connected to a PC‘s com port.
8. RS232 Com Port. DB9 Connector. Used to program the MRC88 Controller from a PC using Universal
Dragon™ Software and for Firmware Upgrades.
9. PROTECT On/Off Switch. Selects between Programming Mode (OFF position) and PROTECT (ON) position
to keep program secure in memory. It is recommended to leave this switch in the ON position at all times.
10. STATUS A Led. Green Activity LED, lights during Program Download from Universal Dragon™ Software,
during IR Learning and for Firmware Upgrades when using the RS232 Port located on the front panel.
11. USB Com Port. Used to program the MRC88 Controller from a PC using Universal Dragon™ Software and
for Firmware Upgrades.
12. STATUS B Led. Green Activity LED, lights during Program Download from Universal Dragon™ Software,
during IR Learning and for Firmware Upgrades when using the USB Port located on the front panel.
13. Source 8 AUDIO IN L/R. Front panel Source 8 line level audio input. Gold-plated RCA Jacks for use with any
desired A/V source component such as Camcorder, Video Game or other device.
14. Source 8 VIDEO IN. (MRC88 Only) Front panel Source 8 composite video input. Gold-plated RCA Jacks for
use with any desired A/V source component such as Camcorder, Video Game or other device.
15. Source 8 Front/Rear Selector Switch. Selects whether the Source 8 Audio/Video inputs will come from the
Front (F) or Rear (R) panel jacks.