Chapter 1 MicroLog
30
1.3.4. Sleep Mode
The MicroLog battery's maximum lifespan is approximately 1.5
years. This long battery life is achieved by MicroLog putting itself
"to sleep" between recordings, or after 4 minutes goes by without
communication with the computer. While sleeping the data logger
consumes a minimal amount of power.
MicroLog "wakes up" every second for a very short time (a few
micro-seconds) to check if one of the keys has been pressed or if
there is a message coming in from the computer. This is the reason
you have to press and hold a key for at least two seconds before a
status message appears.
If you use high sampling rates, the MicroLog battery’s lifespan will
be considerably shorter (see Figure 2).
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