The present invention extends to independently programmable lights for use in gloves and to gloves that incorporate such lights. According to opposite properties of black and white, only the last few bits of the scanned digital signal are extracted for black correction, while only the first few bits of the scanned digital signal are extracted for white correction. The thermal conductive member has a thermal conductivity that is higher than the ceramic base and as such, the heating device achieves superior temperature uniformity of a heated object particularly in a semiconductor device manufacturing process. The package shelftonneau is moved from a packageshelf position below the rearward portion of the roof to a tonneau position above the retractable roof when the retractable roof is disposed in the storage compartment. When a call is received from a telephone which is not registered in the called systems database, after the caller has identified an extension and entered an appropriate password, the user is given an opportunity to register the external telephone with the system and to associate the telephone with and extension in the called system.