C. Crane CC Observer - Manual (Page 12)

Model: CC Observer
ANSI C63.4: 2003
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERA-
TION 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.
Notice: Any changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority
to operate the equipment.