Philips Xenium X520 Manual page 81

Any changes or modifications not expressly
approved by the party responsible for compliance
could void the user's authority to operate the
equipment.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two
conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that
may cause undesired operation.
80 Precautions