LEXIBOOK PLC251 Manual Del Usuario página 3

PLC251IM
Important
The calculator will display an error message "ERROR" in the following cases.
- When dividing by zero
- In calculations where the result exceeds the capacity of the calculator.
In order to delete the error message and any other calculations, press "C/CE".
Features
Power source:
1 AG10 battery and solar cell.
To replace the battery, open the battery compartment
at the back of the unit using a coin.
Insert a new battery (+ side facing up) and close back
the battery compartment.
Automatic switch off:
If no key is pressed, the calculator will switch itself off automatically after approximately 6 minutes.
Abnormal Conditions
If this calculator is exposed to a powerful external electric field or shock during use, an abnormal condition
may occur in which all the keys, including C/CE, do not function.
In this case, press the RESET switch on the back of the calculator. Note that the memory contents will be
completely cleared when this operation is performed.
Press the RESET switch only in the following cases:
After replacing the batteries.
To clear all memory contents.
When an abnormal condition occurs and all keys are inoperative.
Handling precautions
Your calculator contains precision components, never attempt to take it apart.
• Take care not to drop your calculator or allow it to receive any other impacts.
• Do not leave your equipment in areas exposed to dampness, dirt, dust or high temperatures.
• Make sure your calculator does not come in contact with water or with any other liquid substance; this
could produce a short circuit or a potential risk of fire.
• Avoid using chemical fluids or petrol to clean the equipment. Wipe it with a dry, soft cloth, or with a cloth
moistened with a solution of water and a neutral detergent.
• Under no circumstances will the manufacturer and its suppliers be liable to you or any third party for any
damages, expenses, lost of profits, lost of earnings, or any other damages arising from any malfunction,
repair, or battery replacement. The user should anticipate copies of physical records and data in order to
be protected against any possible loss.
• Never dispose of batteries, the liquid crystal panel, or other component in a fire.
• Should the calculator be exposed to a high electrostatic discharge, the content of the memory could suffer
damage or the keys could stop working.
• Before assuming malfunction of the equipment, make sure you have read this instruction manual and
check that the problem is not caused by the batteries running out or by calculation errors.
Copyright Lexibook 2008
PLC251IM
3
Warranty
This product is covered by our 2-year warranty.
To make use of the warranty or after-sales service, please contact your retailer and supply proof of
purchase. Our warranty covers material or installation-related defects attributable to the manufacturer, with
the exception of wear caused by failure to respect the instructions for use or any unauthorised work on the
equipment (such as dismantling, exposure to heat or damp etc).
Note: It is recommended that all packaging be kept for future reference. Keep this instruction manual in a
safe place as it contains important information. In our constant concern for improvement, the colours and
details of the product may differ slightly from those shown on the packaging.
Reference: PLC251
Lexibook UK ltd
Unit 10 Petersfield Industrial Estate
Bedford Road, Petersfield
Hampshire, GU32 3QA
United Kingdom
Freephone helpline: 0808 100 3015
www.lexibook.com
Environmental Protection
Unwanted electrical appliances can be recycled and should not be discarded along with regular
household waste! Please actively support the conservation of resources and help protect the
environment by returning this appliance to a collection centre (if available).
4 Copyright Lexibook 2008