Sharp EL-377WB

Sharp EL-377WB Large Pocket Calculator User Manual

Model: EL-377WB

Indledning

Welcome to the user manual for your Sharp EL-377WB Large Pocket Calculator. This guide provides detailed instructions on how to set up, operate, and maintain your calculator to ensure optimal performance and longevity.

The Sharp EL-377WB is a professional 10-digit calculator designed for everyday use, featuring a large LCD display and essential functions for various calculations, making it ideal for business, home, or school.

Produkt overview

The Sharp EL-377WB is a compact yet powerful calculator with a clear 10-digit LCD display. It operates on a twin power system, utilizing both solar power and battery backup for reliable performance in various lighting conditions.

Nøglefunktioner:

Sharp EL-377WB Large Pocket Calculator front view

Figur 1: Forside view of the Sharp EL-377WB Large Pocket Calculator, showing the 10-digit LCD display and key layout.

Opsætning

Strømkilde

The Sharp EL-377WB calculator utilizes a twin power system, combining solar power with a battery backup for reliable operation.

Sharp EL-377WB Calculator showing solar panel and battery type

Figure 2: Illustration of the calculator's solar panel and the LR1130 battery, indicating its dual power source.

Indledende brug

No specific setup is required for initial use. The calculator is ready to operate once sufficient light is available for the solar cell or the battery is active. Simply press the C-CE key to turn it on and clear any previous entries.

Betjeningsvejledning

Grundlæggende operationer

Avancerede funktioner

Hukommelsesfunktioner

The calculator features a four-key independent memory system:

Tax Calculation Keys

The calculator includes dedicated keys for automatic tax calculations:

Opretholdelse

Rensning

To clean the calculator, gently wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray liquids directly onto the calculator, as this may damage the display or internal components.

Udskiftning af batteri

The Sharp EL-377WB uses an LR1130 button cell battery for backup power. If the display becomes dim or erratic in low light conditions, the battery may need replacement.

  1. Sørg for, at lommeregneren er slukket.
  2. Find batterirummet på bagsiden af ​​lommeregneren.
  3. Carefully open the compartment cover (you may need a small screwdriver).
  4. Fjern det gamle batteri, og isæt et nyt LR1130-batteri. Sørg for korrekt polaritet (+/-).
  5. Luk batterirummets dæksel forsvarligt.

Fejlfinding

Fælles problemer og løsninger

ProblemMulig årsagLøsning
Skærmen er tom eller svag.Insufficient light for solar cell, or low battery.Move to a brighter area. If problem persists, replace the LR1130 battery.
Forkerte beregningsresultater.Incorrect key input, or previous calculation not cleared.Trykke C-CE twice to clear all entries and memory. Re-enter calculation carefully.
Tasterne reagerer ikke.Batteriproblem eller intern funktionsfejl.Replace battery. If issue continues, contact customer support.

Specifikationer

FeatureBeskrivelse
ModelnavnEL-377WB
Vis cifre10-cifret LCD
StrømkildeSolar with LR1130 Battery Backup
Dimensioner (L x B x H)Cirka 4.6 x 2.75 x 0.37 tommer
VægtLightweight (exact weight not specified, but designed for portability)
FunktionerBasic arithmetic, percent, square root, backspace, automatic tax keys, 4-key independent memory.
Sharp EL-377WB Calculator with dimensions labeled

Figure 3: Dimensions of the Sharp EL-377WB calculator, showing its compact size for portability.

Garanti og support

For warranty information and customer support, please refer to the official Sharp website or contact their customer service department. It is recommended to keep your purchase receipt as proof of purchase for warranty claims.

You can find more information and support by visiting the official Sharp Store: Sharp Officiel Butik på Amazon

Vigtige sikkerhedsoplysninger

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