This study aims to investigate how tone 2 in Mandarin varies in different intonational contexts. Target tones were embedded in three focus positions and two non-focus positions in actual utterances. The high point and low point pitch values of the tones were observed and compared. The results witness a constant lower tonal high point of tone 2 over that of tone 1 and tone 4, while a similarly equal low point of tone 2 and tone 4. These results support our hypothesis in previous study that there exist [+upper] and [-upper] registers in Mandarin where tone 2 belongs to the latter one.