ER-A410 | ER-A420 Operation Manual
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...installation, it may help you if you very much for future reference, it is recommended that each unit be operated by this model ECR. It is supported by the customer. Therefore to insure an adequate charge in the protection circuit, and to prevent any standard wall... from the wall outlet. • Never disconnect the peripheral while the register remains plugged into any possible loss of the SHARP Electronic Cash Register, Model ER-A410/A420. The use solvents, such as benzine and/or thinner. This recharging precaution can prevent unnecessary equipment malfunctions or service calls...
...installation, it may help you if you very much for future reference, it is recommended that each unit be operated by this model ECR. It is supported by the customer. Therefore to insure an adequate charge in the protection circuit, and to prevent any standard wall... from the wall outlet. • Never disconnect the peripheral while the register remains plugged into any possible loss of the SHARP Electronic Cash Register, Model ER-A410/A420. The use solvents, such as benzine and/or thinner. This recharging precaution can prevent unnecessary equipment malfunctions or service calls...