Controls on the Time toolbar let you select time ranges, remove time, scale it, insert it, or reverse its flow.

Lets you select a time range. Time selections include any keys that might be included within the time range. Use Insert Time, then Select Time to choose the time range. See Select Time .
 Delete Time
 Delete TimeRemoves selected time from the selected tracks. Cannot be applied globally to shorten the time segment. This removes keys but leaves “blank” frames behind. See Delete Time .
 Reverse Time
 Reverse TimeReverses the keys on selected tracks within a selected time segment. See Reverse Time .
 Scale Time
Scale TimeScales the keys within a selected time segment for selected tracks. See Scale Time
 Insert Time
 Insert TimeAllows you to insert a range of frames as a time insertion. Existing keys slide out of the way to make room for inserted time. Once you have made a time selection with Insert Time, you can then use all the other time tools. See Insert Time .
 Cut Time
 Cut TimeDeletes time selections from the selected tracks. See Cut Time .
Duplicates the selected time selection so it will be available for pasting. See Copy Time .
 Paste Time
 Paste TimeAdds cut or copied time selections into the selected tracks. See Paste Time .