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7 Unpacking and Installing
YOUR m905 BOX WILL CONTAIN
• The Audio Control Unit (ACU)
• The Remote Control Unit (RCU)
• The RCU tilt base and accompanying hardware, premounted to the RCU
• 25’ serial cable to connect the RCU and ACU
• m905 Analog comes with an ethernet cable and 2 serial adapter jacks . For RCU headphone operation a
RCU cable ugrade is required. This is available from your dealer or from the Grace Design factory)
• 6’ AC power cable which connects to the ACU’s universal power supply
• A bag with rubber feet and rack screws
• The owner’s manual and warranty registration
OPEN AND INSPECT THE BOX
Please take care when removing the m905 from its OEM packaging. Our packaging is designed with
‘Korrvu©’ suspension inserts, which provide the best protection from the dubious underworld of freight
handling – so save your packaging material. Inner boxes will contain all the items listed above. If you
think you are missing anything, give your dealer or us a call and we’ll get you taken care of right away.
REGISTER YOUR UNIT
Also, we strongly urge you to fill out your warranty registration card. We provide a 5 year transferable
warranty on all of our products, but without your registration it’s hard for us to help you if and when
help becomes necessary. So please take a few minutes to complete and send in the enclosed card, or
simply fill out the warranty registration form on our website. We always keep your information private.
Thank you!
8 Connecting the m905
Okay, let’s get started in making the necessary connections to get your m905 up and running. First
thing to do is mount the m905 in a rack. If you’re not rack mounting the unit, you should attach the
supplied rubber feet on each corner of the bottom cover so you won’t scratch it or the surface you
place it on. If you are installing the ACU in a rack, use the supplied rack screws and nylon washers which
prevent the rack ears from getting marred. The ACU will not run terribly hot, so it can be mounted with
other gear directly above or below. However, you should avoid mounting equipment that can radiate
noise near the m905 (ie power amp, power conditioners, etc).
POWER CONNECTIONS
The m905 ACU has a built-in universal power supply which accepts line voltages of 100 to
240VAC. We include power cable specified for the country where it was ordered, so it
should be supplied correctly. If not, please contact your dealer or distributor for help. For
safety, it is recommended that the AC power cable be connected to a grounded outlet.