1. Introduction
4 SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
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.

Handling Precautions

CAUTION
- Do not modify the product. CONTEC will bear no responsibility for problems, etc., resulting from
modifying this product.
- Do not strike or bend this product.
- Otherwise, this product may malfunction, overheat, cause a failure or breakage.
- Do not touch this product’s metal plated terminals (edge connector) with your hands.
- Otherwise, this product may malfunction, overheat, or cause a failure. If the terminals are touched
by someone’s hands, clean the terminals with industrial alcohol.
- There are switches and jumpers on this product that need to be set in advance. Be sure to check
these before installing to the expansion slot.
- Only set the switches and jumpers on this product to the specified settings.
- Otherwise, this product may malfunction, overheat, or cause a failure.
DANGER
- Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used batteries according to the manufacture’s
instructions.