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INTRODUCTION
Thank you very much for your purchase of the SHARP Electronic Cash Register, Model ER-A410/A420.
Please read this manual carefully before operating your machine to gain a thorough understanding of the
functions and features offered by this model ECR.
Please keep this manual for future reference, it may help you if you encounter operational problems.
IMPORTANT
• Install your register in a location that is not subject to direct radiation, unusual temperature changes,
high humidity or exposed to water sources.
Installation in such locations could cause damage to the cabinet and the electrical components.
• The register should not be operated by an individual with wet hands.
The water could seep into the interior of the register and cause component failure.
• When cleaning your register, use a dry, soft cloth. Never use solvents, such as benzine and/or thinner.
The use of such chemicals will lead to discoloration or deterioration of the cabinet.
• The register plugs into any standard wall outlet (120V ±10% AC) which utilizes a dedicated ground
circuit.
Please note that other electrical devices on the same electrical circuit could cause the register to malfunction.
• If the register malfunctions, call your local dealer for service - do not try to repair the register yourself.
• For a complete electrical disconnection, the AC power cord must be removed from the wall outlet.
• Never disconnect the peripheral while the register remains plugged into the AC outlet.
PRECAUTION
This Electronic Cash Register has a built-in memory protection circuit which is supported by rechargeable
batteries.
It is important to know that all batteries will, in time, dissipate their charge even if not used. Therefore to insure
an adequate charge in the protection circuit, and to prevent any possible loss of memory during or after
installation, it is recommended that each unit be allowed to recharge for a period of 24 to 48 hours prior to and
during use by the customer.
In order to charge the batteries, the machine must be plugged in. This recharging precaution can prevent
unnecessary equipment malfunctions or service calls.
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