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Memory Functions
Data are played back at a rate of 20 minutes of collected data per second. A 24-hour recording
session (the maximum memory saved) is played back in approximately 1 minute. After all data are
played back, the device should be shut off before collecting new animal data. The animal information
is held in memory as long as the batteries are good, so if the memory must be cleared, remove the
batteries for a period of 60 seconds or longer. Playing back the data in memory does not clear any
data from the memory.
The size of this file depends on the amount of data saved in the memory. The most recent data are
played back first. The memory data format is in binary. Bad data is represented by FF (hexadecimal)
or 255 (decimal). If the memory "wrapped around" (the recording time exceeded 24 hours) and the
final (i.e., the oldest) file of data has been truncated, the final start time will be represented by zeros
and the start times for that file will then not match up.
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