User manual SONY NTM-1

[. . . ] --Take the battery out of the receiver to avoid damage from battery leakage. for detailed safety precautions , see the leaflet "IMPORTANT SAFEGUARDS". [. . . ] â· MONITOR indicator: Plaese note that it blinks only when the receiver receives a loud sound signal from the transmitter. If the sound is not loud enough, or when it is too far from the transmitter, the indicator does not blink. If the sound is too brief, the indicator may blink only once. The model and the serial numbers are located on the rear. Record the serial number in the space provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. 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 harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: --Reorient or relocate the receiving antenna. --Increase the separation between the equipment and receiver. --Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. No sound (even with both units turned on) nPower cord or AC power adaptor discon nected from the wall outlet nExhausted battery nReceiver too far from the transmitter nCH selectors of both units not on the same setting Too much noise nWeak battery nReceiver too far from the transmitter nInterference from another electric appliance Turn off the appliance, or move it further from the receiver. [. . . ] First test the operating range by using this system with another adult, or by placing a radio, etc. If the volume is too low, turn it towards 10. [. . . ]