16 MENU SCREEN16-97■ Others itemsVoltageOthers > Information > VoltageShows the battery voltage of the attached Li-ion battery pack or externalpower source.When the Li-ion battery pack is attached, the remaining battery voltage isshown in eleven level steps.When the optional battery case is attached, the battery voltage is shown.VersionOthers > Information > VersionShows the transceiver firmware’s version number.Clone ModeOthers > Clone > Clone ModeSelect to read or write the CS-51PLUS2 data from or to the PC, and/or toreceive data from a Master transceiver.See page 17-21 for details.Clone Master ModeOthers > Clone > Clone Master ModeSelect to write your ID-51A/E (Master) data to another ID-51A/E (Sub).See page 17-21 for details.