Described is the use in the treatment of either male or female sexual dysfunction of selective antagonists of the \u03b11B-adrenergic receptor and the pharmaceutical compositions containing them as compounds capable of helping the sexual act avoiding at the same time excessive side effects due to acute hypotension. The voltagecurrent detector detects the voltage and current of the coil heater at the same time. In one aspect, a previously installed, airport inset light and stainless steel base of the present invention receives a variable length extension assembly for rotatably adjusting the height and azimuth alignment of an airport inset light. A new baseboard can be adhered to the wiring faceplate. The receive clock signal and the reference clock signal may be independent clocks configured to provide range control over one or more channels.