- 14 -
11 Appendix
11.1 Reference for general
material emissivity
Material
Emissivity
Human skin
0.98
Circuit board
0.91
Cement concrete
0.95
Ceramic
0.92
Rubber
0.95
Colour
0.93
Wood
0.85
Asphalt
0.96
Brick
0.95
Sand
0.90
Soil
0.92
Cotton
0.98
Cardboard
0.90
White paper
0.90
Water
0.96
11.2 Frequently asked questions (FAQ)
Q: The charging indicator flashes red.
A: Check the points below.
1. Check that the device is charged with the stan-
dard mains adapter.
2. Disconnect the battery once and reconnect it.
3. Make sure that the ambient temperature is
above 0 °C.
Q: Video or recording fails.
A: Check the points below:
1. Check if the device is connected to your PC
and the recording function is not available.
2. Check if the memory space is full.
3. Check if the device has a low battery level.
Q: The PC cannot identify the camera.
A: Check that the device is connected to your PC
via the standard USB cable.
F: The camera cannot be operated or does not
respond.
A: Press and hold the
button to restart the
camera
