User manual

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20. Tips and notes
• Light refraction and sunlight can cause measuring errors during
outdoor use. Perform measurements under suitable light conditions.
• When using the product outdoors, protect it from moisture and
humidity.
• The following surfaces can affect the measurement due to their
physical characteristics:
- Transparent surfaces (e.g. glass, water)
- Reecting surfaces (e.g. glass, shiny metals)
- Porous surfaces (e.g. insulating materials)
- Structured surfaces (e.g. roughcast, natural stone)
21. Troubleshooting
Code Cause Solution
101 Batteries weak Replace the batteries.
104 Calculation error Repeat the process.
152
Operating temperature
exceeded
Observe the correct operating
temperature.
153
Operating temperature
beneath the limit
154
Measurement range
exceeded
Observe the correct
measurement range.
155
Reected signal too
weak
Choose another measurement
surface.
156
Reected signal too
strong
157
Measurement error or
surface too bright
Darken the measurement
surface or choose another
surface.
160 Vibration too heavy Hold the device still.