Controls and indicators – UEi Test Instruments THL2 User Manual
Page 3

Controls and Indicators
1. USB: Connects to a USB port on a computer.
2. Start Button: Activates data logger.
3. Alarm LED: Illuminates red or yellow.
4. Record LED: Illuminates green.
5. RH and Temperature Sensors
6. Slot to Open Battery:
Refer to battery replacement.
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Front
Back
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NOTE: You
MUST
Install the
software provided
and initialize the
THL2 Prior to use.