Precautions
1. Watch the road. Don't pay much attention to your cycle computer
functions during riding to avoid accidents.
2. Don't expose the main unit to direct sunlight for a long time while
you're not riding with it.
3. Never disassemble the device or the accessories.
4. Don't poke a needle or any pointed article into the hole on the
bottom of the main unit. To poke anything into the hole may
damage the pressure sensor inside the device.
5. Check the positions of the sensor and magnet, and check the gap
between both parts regularly. Make sure they are always in normal
condition.
6. Use a dry or slightly damp cloth to clean the computer when
necessary. Do not use thinner, alcohol or benzine to clean the
product.
7. Do not operate the computer under water though it's waterproof.
Note there are sensitive components inside the main unit.
8. Be alert to the sudden weather change during long-distance riding
to avoid danger. And sudden change in temperature may cause a
temporary incorrect altitude display.