Sennheiser AC 3 Instruction Manual page 9

Putting the AC 3 into operation
Stacking
several devices
CAUTION!
Fitting the
device feet
8 | AC 3
You can stack several AC 3 and the connected transmitters on
top of each other.
.
Danger of injury due to toppling stacks!
High stacks can easily topple over.
Place the stack on an absolutely flat surface.
Secure the stack against toppling over.
Stack the devices so that the recesses of the stacking
elements completely engage with each other.
If you want to stack the AC 3, only fit the device feet to
the base of the lowermost device.
Do not fit the device feet when mounting the AC 3 into
a 19" rack.
The device feet are fitted to the base of the AC 3 (see diagram).
Clean the base of the AC 3 where you want to fix the device
feet.
Fix the device feet to the base of the AC 3 by peeling off the
backing paper and fitting them as shown on the left.
Place the AC 3 on a flat, horizontal surface.
Please note that the device feet can leave stains on deli-
cate surfaces!