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6.1 Handling Mu-so
Take great care when lifting, carrying and inverting
Mu-so to access the mains power, network and digital audio
sockets.
Do not invert your Mu-so or Mu-so Qb so that weight is
borne by its top panel or rotary control. Do not stand Mu-so
or Mu-so Qb on either end panel or grilles.
6.2 Cleaning Mu-so
Your Mu-so should not need cleaning beyond dusting.
Do not use wax or solvent based cleaning products. If
necessary, a damp cloth may be used on the external
casework, however it is important that all liquids are kept
away from the touch panel and rotary control.
6.3 Grille Replacement
The standard Mu-so and Mu-so Qb black grilles can be
replaced with a range of coloured grilles available through
your local Naim retailer or at naimaudio.com/mu-so.
•
To remove the Mu-so grille grasp both ends of the grille
simultaneously and gently pull the grille away from the
Mu-so body.
To fit a Mu-so grille, line-up the grille studs with the
fixing holes and gently push the grille home.
•
To remove the Mu-so Qb grille first gently peel the top
rear corner of one side grille away from the Mu-so Qb
body. Once the rear edge of one side grille is released,
repeat with the other side. With both sides released the
grille can be gently pulled away from the front.
To fit a Mu-so Qb grille first line-up the front grille
studs and fixing holes and gently push the front section
of the grille home. Next similarly fit the forward half of
one side grille followed by its rear edge. Repeat with
the other side grille.
Note: Do not touch any of the drive-units while the grilles
are removed.
6.4 Firmware Update
Updated Mu-so and Mu-so Qb firmware may from time to
time be released. Updated firmware may introduce new
features or modify existing behaviour or performance. The
Naim App incorporates a firmware update routine in its
Settings menu.
Important: Never switch off your Mu-so or Mu-so Qb or
disconnect it from the mains supply or network while a
firmware update procedure is underway.
6. Installation Notes
Note: The Naim App firmware update routine can also be
used to check that the currently installed firmware is up
to date.
Note: The Mu-so setup web page also includes a firmware
update link. This should be used only on the advice of
Naim support staff.
6.5 Lightning Precautions
Mu-so and Mu-so Qb can be damaged by lightning and
should be turned off and disconnected from the mains and
any wired connection when there is risk of lightning.
6.6 Defaults
To return your Mu-so or Mu-so Qb to its default settings
use the pin-tool supplied (or a straightened paperclip) to
press and hold the pin-hole button adjacent to the status
indicator. Hold the button pressed for six seconds. Mu-so
or Mu-so Qb will return to its default settings and restart.
The rotary control and logo illumination will flash while the
factory default procedure is underway.
6.7 Problems?
Consumer protection varies from country to country. In
most territories a retailer must be prepared to take back any
equipment sold if it cannot be made to work satisfactorily.
A problem may be due to a fault in the product or its
installation. Please contact your local distributor, or Naim
Audio directly, if any difficulties cannot be resolved. Contact
Naim Audio directly for help and advice if necessary.
6.8 Service and Contact
It is essential that repairs are only carried out by an
authorised Naim retailer or at the Naim Audio factory. Direct
contact to Naim for service or update information should be
made initially through Customer Services:
info@naimaudio.com
For help with Mu-so or Mu-so Qb installation and operation
please visit:
www.naimaudio.com/mu-so-support
For email support contact:
mu-sosupport@naimaudio.com
For telephone support call:
+44 (0)333 321 9923 (UK)
+1 800 961 5681 (USA and Canada)
Please quote the product serial number (found on its
underside panel) in all correspondence.
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