Canon WFT-E7 Instruction Manual page 9

Handling Precautions
The transmitter is a precision instrument. Do not drop it or subject it to

physical shock.
The transmitter is not waterproof. Do not use it underwater.

Wipe off any moisture with a dry and clean cloth. If the transmitter has been

exposed to salty air, wipe it with a clean, well-wrung wet cloth.
Never leave the transmitter near any equipment that generates a strong

magnetic field, such as magnets or electric motors.
Do not leave the transmitter in excessive heat, such as in a vehicle in direct

sunlight. High temperatures may damage the transmitter.
Do not wipe the transmitter using cleaners containing organic solvents. For

stubborn dirt, take it to the nearest Canon Service Center.
Avoid storing the transmitter where there are chemicals that result in rust

and corrosion such as in a chemical lab.
Safety Precautions
9