User Manual

3-4 Communications
Expanded window displaying the Actiwatch Details.
Epoch length
The period of time Actiwatch will accumulate activity counts before saving the
sample to memory. Select the epoch length by clicking in this field. The choices
will appear sequentially.
When selecting epoch length:
• If actual recording time is in red, then the battery may need to be changed.
 •Timezoneselectionshouldbewherethedatawillbecollected,notthe
 currenttimezoneofthecomputerlocation.
• When configuring the Actiwatch for sleep analysis, use an epoch length of
2 minutes or less, otherwise sleep analysis statistics will not be calculated.
Data Collection Setup
During the Data Collection Setup, you can configure the Actiwatch setup items,
includingstarttime,epochlength,andtimezonewithasimplemouseclick.