Guide C640 Guia De Inicio Rapido página 31

Common Troubleshooting Guide
Phenomena
Unable to start
Great deviation
between the battery
power indication and
the actual use
Unclear infrared
images
Unclear visible light
images
26 EN
Cause
Low battery
Poor battery contact
Plug of the external power
supply not in place
Battery runs out
Expiration of battery life
Failure in focusing
Lens fogged or contaminated
Dark environment
Front end of visible light
fogged or contaminated
Measures
Recharge the battery before use
Take out the battery and put
it back in place in the battery
housing
Remove the power plug and
reinsert it in place
Replace it with a fully charged
battery
Replace with a new battery
Focus manually or automatically
to make images clear
Use professional equipment to
clean the lens
Take appropriate lighting
measures
Use professional equipment to
clean the front end of visible
light