User manual JBL JBL 5233 SERVICE MANUAL

[. . . ] Radio and Television Interference This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. [. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and then on, the user is encouraged to try to correct the interference by one or more of the following measures: · Connect the equipment to a different outlet so that the equipment and receiver are on different branch circuits. Do not drop, apply excessive force to the controls, or put heavy objects on top of the speaker. In order to protect the speaker system, avoid microphone feedback, continuous output from electronic musical instruments, or distorted output from any signal source Do not place the speakers close to fluorescent light sources or neon light fixtures. Although the speakers are magnetically shielded, keep magnetic storage media (disks and tapes) at least four inches from the speaker system in order to avoid data loss. [. . . ] Although the speakers are magnetically shielded, keep magnetic storage media (disks and tapes) at least four inches from the speaker system in order to avoid data loss. [. . . ]