22 Warranty, Regulatory Information, and Specifications|The Load Number assigned to each terminal device denotesthe percentage of the total load to be connected to a telephoneloop which is used by the device, to prevent overloading. Thetermination of a loop may consist of any combination ofdevices subject only to the requirement that the total of theLoad Numbers of all the devices does not exceed 100.FCC Radio Frequency InterferenceStatement for 120-Volt ModelsThis equipment has been tested and found to comply with thelimits for a Class B digital device, pursuant to Part 15 of theFCC rules. These limits are designed to provide reasonableprotection against harmful interference in a residentialinstallation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used inaccordance with the instructions, may cause harmfulinterference to radio communications. However, there is noguarantee that interference will not occur in a particularinstallation. If this equipment does cause harmful interferenceto radio or television reception, which can be determined byturning the equipment off and on, the user is encouraged totry to correct the interference by one or more of the followingmeasures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and thereceiver.• Plug the unit into an outlet on a circuit different from thatto which the receiver is connected.• Consult the dealer or an experienced radio televisiontechnician for help.A properly shielded interface cable must be used in order toensure compliance of this equipment with FCC regulations.Changes or modifications not expressly approved by Okidatamay void your authority to operate this device.IC Radio Interference Statement for120-Volt ModelsThis OKI apparatus complies with Class B limits for radiointerference as specified in the Industry Canada RadioInterference Regulations.