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2.1 A Quick Tour of TREK-120
Before starting to set up TREK-120, take a moment to become familiar with the
locations and functions of the buttons and indicators, which are illustrated in the
figures below.
2.1.1 Outlook
Figure 2.1 Front view of TREK-120
2.1.2 LED behavior
Figure 2.2 LED behavior of TREK-120
Replaceable battery
Start/Status Button
Power/Status LED
Alarm LED