Preface VIIndustrial Touch Panel OMNI-2155-CMLSafety PrecautionsPlease read the following safety instructions carefully. It is advised that you keep thismanual for future references1. All cautions and warnings on the device should be noted.2. Make sure the power source matches the power rating of the device.3. Position the power cord so that people cannot step on it. Do not place anythingover the power cord.4. Always completely disconnect the power before working on the system’shardware.5. No connections should be made when the system is powered as a sudden rushof power may damage sensitive electronic components.6. If the device is not to be used for a long time, disconnect it from the powersupply to avoid damage by transient over-voltage.7. Always disconnect this device from any power supply before cleaning.8. While cleaning, use a damp cloth instead of liquid or spray detergents.9. Make sure the device is installed near a power outlet and is easily accessible.10. Keep this device away from humidity.11. Place the device on a solid surface during installation to prevent falls.12. Do not cover the openings on the device to ensure optimal heat dissipation.13. Watch out for high temperatures when the system is running.14. Do not touch the heat sink or heat spreader when the system is running15. Never pour any liquid into the openings. This could cause fire or electric shock.16. As most electronic components are sensitive to static electrical charge, be sureto ground yourself to prevent static charge when installing the internalcomponents. Use a grounding wrist strap and contain all electronic componentsin any static-shielded containers.