A method includes determining, by a tag, that a gateway is not within communication range of the tag using a first wireless communication mode and enabling, in response to the tag determining that the gateway is not within communication range of the tag, a second wireless communication mode. The end bearing is formed of a metallic plate by press forming and said web is provided with a bending part in the vicinity of said sliding-contact flange. The improved display provides one or more path indicators shown over the cross hairs. One or more lights are also positioned along the control box to produce an audiovisual effect.