Contec PT-E831H, User Manual

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1. Introduction
4
PT-E831H, PT-E831HS User’s manual
Safety Precautions
Understand the following definitions and precautions to use the product safely.
Safety Information
This document provides safety information using the following symbols to prevent accidents resulting in
injury or death and the destruction of equipment and resources. Understand the meanings of these labels
to operate the equipment safely.
DANGER
DANGER indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION
CAUTION indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury or in property damage.
Caution on the PT-E Series
Handling Precautions
WARNING
- Always check that the power supply is turned off before connecting or disconnecting power cables.
- Procedures that could result in serious injury or loss of human life should never be performed from a
touch panel. Use system design methods that can guard against input errors.
- Do not modify the product.
- Always turn off the power before inserting or removing circuit boards or cables.
- This product is not intended for use in aerospace, space, nuclear power, medical equipment, or other
applications that require a very high level of reliability. Do not use the product in such applications.
- If using this product in applications where safety is critical such as in railways, automotive, or
disaster prevention or security systems, please contact your retailer.
- Do not attempt to replace the battery as inappropriate battery replacement poses a risk of explosion.
- When disposing of a used battery, follow the disposal procedures stipulated under the relevant laws
and municipal ordinances.
- Always power off the PT-E before installing or removing it to or from an enclosure.
Not doing so can cause a failure, fire or electric shock.
- Always start wiring after powering off the PT-E.
Not doing so can cause an electric shock or product damage.
- Earth the equipment securely. A failure to do so can cause an electric shock.
- Before starting cleaning the PT-E and/or peripheral devices, always power off the PT-E and/or
peripheral devices.
Not doing so can cause a failure or electric shock.
- Do not allow dust and foreign matter to enter the PT-E and peripheral devices.
Doing so can cause a fire or electric shock.