Datalogic DL-Axist User Manual page 203

Connections
Turn off the device when in any area with a potentially
explosive atmosphere. Observe restrictions and follow
closely any laws, regulations, warnings and best
practices on the use of radio equipment near fuel
WARNING
storage areas or fuel distribution areas, chemical
plants or where any operation involves use of
explosive materials. Do not store or carry flammable
liquids, explosive gases or materials with the device or
its parts or accessories. Areas with a potentially
explosive atmosphere are often, but not always,
clearly marked or shown. Sparks in such areas could
cause an explosion or fire, resulting in injury or even
death.
User's Manual 195