TecTecTec ULT-S PRO English Manual page 37

4
If water vapor enters the unit
place it in direct sunlight for two
to three hours. DO NOT turn on.
5
When storing the rangefinder
for periods longer than 30 days,
remove the battery first to
avoid corrosion.
6
Always store the rangefinder at
room temperature or a controlled
temperature in a dry place with
low humidity. Never keep it in
a very hot or very cold place,
such as inside a car.
37