Martin Audio CDD Series User Manual page 31

CDD USER GUIDE
The ceiling bracket assembly may now be fixed to the ceiling. There are three 5.5 mm holes and a central 8.5 mm hole in the
bracket for this purpose. It is essential that appropriate fixings are used to allow safe and secure attachment to the ceiling
material, particularly as these may be fitted overhead public areas. The method of fixing will depend on the ceiling construction.
You can use the larger central 8.5 mm hole as the principal fixing initially: this lets you adjustment the bracket to obtain the
correct horizontal coverage by pivoting it on the single mounting. When the position is correct, tighten it, and add further fixings
to the other three holes to ensure a safe and secure mounting. Alternatively, if an adequate fix can be obtained using the three
smaller holes alone (e.g., by using wood screws into a batten above plasterboard), it may be possible to use the 8.5 mm centre
hole for cable routing.
In any case, it is good practice to terminate the speaker cables with the Phoenix connectors at this stage.
Second fix:
With ceiling mounting, the CDD5 will probably be used in landscape mode: fit the cabinet section of the wall bracket using the
four "upper" screws as shown below:
Note that is vital that the driver is orientated to suit the deployment used. "Out of the box" the driver is in the correct position
for "portrait" use and must be rotated through 90° for "landscape" use. Please see the chapter driver rotation for details.
It is also possible to ceiling mount the CDD5 in portrait mode by using the "lower" four screws to fix the cabinet section of the
wall bracket, but in this case the cabinet should be mounted upside down, and the driver and grille will both need to be rotated
180°. The sloping bottom of the cabinet allows a close fit to the ceiling which may be more aesthetically pleasing in some
installations.
CDD User Guide V1.0 30