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Sharp QS-2760H Support Question

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Question posted by mlee27347 on February 17th, 2017

Problem With My Sharp Compet Qs-2770h - Number Keys Don't Work

When I type in numbers from the key pad, the display window does not change - it stays at zeros and nothing happens. I have unplugged it and moved it to another location, plugged it back in and tried again, but I get the same result.

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Related Sharp QS-2760H Manual Pages

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 2

... cause harmful interference to radio or television reception, which the receiver is encouraged to try to correct the interference by the manufacturer could void the user's authority to operate ...this device must accept any interference received, including interference that any unauthorized changes or modifications to this equipment not expressly approved by one or more of the FCC...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 4

...-free operation of your purchase of the SHARP electronic calculator, model QS-1760H/ 2760H/2770H. WARNING THE VOLTAGE USED MUST BE THE SAME AS SPECIFIED ON THIS CALCULATOR. Turn off the power switch prior to save work and increase efficiency in areas free from extreme temperature changes, moisture, and dust. 2. USING THIS CALCULATOR WITH A VOLTAGE HIGHER THAN THAT SPECIFIED...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 5

.../display calculator. (Print mode) "•" position: The calculator functions as a display calculator. (Non-print mode) Mode change print: When changing the print mode selector, the following : (The symbol " +" will appear P" (red print): When changing the selector from P to P" (red print): When changing the selector from • to P. Addition and subtraction totals obtained with the or key...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 6

...: Use of the A/+ mode permits addition and subtraction of numbers without an entry of the , , and keys will automatically override the Add mode and decimally correct answers will... decimal point was entered. Multiplication and division: When the A/x mode is activated, the number entered before or key will be printed at the preset decimal position. Set decimal to 3 Enter 123456 Tape prints...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 7

.... Note: • The count is printed when the calculated result is recalled. • Pressing of times that the key has been pressed in the ON position (GT), the counter will count the number of the key clears the counter. number entered following or key and before (or , , , , ) key will automatically override the A/x mode. This is in addition...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 8

... the maximum, the counter will automatically remember the first entered number and key functions for Add-on/Discount/ Mark up to or subtracted from zero. FIRST FACTOR ACCUMULATION SELECTOR: (Only QS-2770H) "FΣ" position: The first factor is rounded off . Add-on/Discount/Mark up: The calculator will recount from the memory. "•" position: Neutral ROUNDING...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 9

.... In the "F" position, the answer is printed with the symbol "P". NON-ADD/SUBTOTAL KEY: Non-add - By pressing this key even in the Non-print mode, the displayed number is displayed in entered numbers or calculated results shifts the number one digit correction. This key is rounded down . In floating decimal point system, an answer is used to print...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 10

...a "-" symbol and subtracts the number from the contents of the calculation register. PERCENT KEY DIVISION KEY MULTIPLICATION KEY FIRST MEMORY PLUS KEY FIRST MEMORY MINUS KEY FIRST RECALL MEMORY KEY FIRST RECALL AND CLEAR MEMORY KEY SECOND RECALL AND CLEAR MEMORY KEY SECOND RECALL MEMORY KEY SECOND MEMORY MINUS KEY SECOND MEMORY PLUS KEY DATE KEY: (only QS-2770H) Can be used to obtain...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 11

... calculation result will first obtain a square root of an absolute number of a number (i.e., positive to negative or negative to positive). SQUARE ROOT KEY: To obtain a square root of a negative number, this calculator will then be converted to perform mark-ups, percent change and automatic add-on/discount. CHANGE SIGN KEY: Changes the algebraic sign of the given number; TAX-INCLUDING KEY...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 12

DISPLAY Display format: (QS-1760H) (QS-2760H) (QS-2770H) Calculation display (main): Item counter display (sub): Symbols: : First memory symbol Appears when a number has been stored in First memory. : Second memory symbol Appears when a number has been stored in Second memory. - : Minus symbol Appears when a number is in the grand total memory. - 10 - E : Error symbol Appears when an overflow ...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 13

... around the outside of the reels on the reel shaft on the right. Remove the paper roll from the calculator. (Tear the paper and remove it from the print mechanism by sliding it towards the back of the reels... REPLACEMENT 1. With the black side of the ribbon facing upwards, place one of the calculator. (Fig. 1) 4. Take up any slack by manually turning one of the metal guides. (Fig. 2) 8.

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 14

Lift the paper holder up. (Fig. 1) 2. Press the paper feed key and feed the paper under the edge of the paper roll 3 to 5 cm. (Do not fold it slantwise.) (Fig. 2) 3. Fold the leading edge of the ...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 15

... answer exceeds 12 digits. (QS-2760H/2770H) 3. Entry of more than 10 digits or 9 decimals. (QS-1760H) Entry of the error, the key must be continued. The contents of the memory at the time of more than 12 digits or 11 decimals. (QS-2760H/2770H) This error can still be used to clear the calculator. If an "0⅐E" is...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 16

...the unit unplugged for about 5 seconds, reconnect the AC plug, then turn on /discount calculation, repeat addition and subtraction, square root calculation, reciprocal calculation, grand total calculation, item count calculation, markup calculation, average calculation, memory calculation, first factor accumulation calculation (only QS-2770H), etc. Type: Power source: Display: Operating capacity...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 44

...(4) 123. +I 45. +I 168. = 61,656. *3 : Press the key to clear the memory before starting a memory calculation. *3 : Apretar la tecla para cancelar la memoria antes de empezar a efectuar ... (2): (123 + 45) × (456 - 89) = (1) (2) (3) *3 123 45 456 89 123. I 72. MEMORY CALCULATIONS / CÁLCULOS CON MEMORIA EXAMPLE (1): EJEMPLO (1): 46 × 78 = ᶃ +) 125 ÷ 5 = ᶄ -)...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 49

... average of a series of items Total sales 131.20 AG Average 131.20 000 * QS-2770H only - 47 - Calculate the average. If not, set the decimal as specified in each example. Determine the NUMBER OF VALUES. 3. of values. The rounding selector should be in the "•" position (off position) unless otherwise specified. 3. Set the...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 50

...(principal) i = interest rate per period n = number of years × 4 EXAMPLE: If P = $6,150 i = 5% annum ÷ 4 periods = 0.0125 n = 16 (4 years × 4) Then 6,150 (1.0125)16 .=. $7,502.32 (New Balance) (QS-2760H/2770H): OPERATION DISPLAY PRINT .05 0.05 0.05 ÷ Annual int. rate 4 4. = 0.0125 Quarterly int. COMPOUND INTEREST Calculate the new balance on a deposit which...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 51

...104486099 (1 + i)8 1.104486099 × 1.104486099 = 1.219889542 (1 + i)16 1.219889542 × 6,150. = Principal 7,502.320683 New balance - 49 - rate 4. = 0.0125 Quarterly int. (QS-1760H): OPERATION .05 4 1 DISPLAY 0.05 0.0125 0.0125 1.0125 1.0125 1.02515625 1.02515625 1.050945336 1.050945336 1.104486099 1.104486099 6150 1.219889542 1.219889542 7,502.320683 PRINT 0.05 ÷ Annual int...

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 55

Accessories, and additional Sharp Products can be purchased from the Authorized Sharp Reseller where you purchased your convenience, Genuine Sharp Supplies. For your product or on-line at: www.sharpplace.com

QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 56

SHARP ELECTRONICS CORPORATION Sharp Plaza, Mahwah, New Jersey 07430-1163 www.sharpusa.com SHARP CORPORATION PRINTED IN CHINA / IMPRESO EN CHINA 02LT(TINSZ0586EHZZ)