User manual SHARP QS-2760H

[. . . ] Your SHARP calculator is specially designed to save work and increase efficiency in all business applications and general office calculations. Careful reading of this manual will enable you to use your new SHARP to its fullest capability. The calculator should be kept in areas free from extreme temperature changes, moisture, and dust. [. . . ] 2) When the grand total mode selector is in the ON position (GT), the counter will count the number of times that the calculation results have been stored in the grand total memory. 3) The memory item counter will count the number of times that the or key has been pressed in addition and subtraction. FIRST FACTOR ACCUMULATION SELECTOR: (Only QS-2770H) "F" position: The first factor is automatically added to or subtracted from the memory. A first factor means the first number in multiplication and division and each number is printed with "×I" and "÷ CONSTANT MODE SELECTOR: "K" position: The following constant functions will be performed: Multiplication: The calculator will automatically remember the first number entered (the multiplicand) and the instruction. Division: The calculator will automatically remember the second number entered (the divisor) and the instruction. Add-on/Discount/Mark up: The calculator will automatically remember the first entered number and key functions for Add-on/Discount/ Mark up calculation. 005 Note: The decimal point floats during successive calculation by the use of or key. RIGHT SHIFT KEY: Operation of this key in entered numbers or calculated results shifts the number one digit to the right together with the decimal point. NON-ADD/SUBTOTAL KEY: Non-add ­ When this key is pressed right after an entry of a number in the Print mode, the entry is printed on the left-hand side with the symbol "#". This key is used to print out numbers not subjects to calculation such as code, date, etc. subtotal ­ Used to get subtotal(s) of additions and/or subtractions. When pressed following the or key, the subtotal is printed with the symbol "" and the calculation may be continued. By pressing this key even in the Non-print mode, the displayed number is printed with the symbol "P". tOTAL KEY: Prints the total of addition and subtraction with the symbol " ". This key also serves as a clear key for the calculation register and resets an error condition. CLEAR ENTRY KEY: Clears number entered prior to use of a function key. NUMERAL KEYS MINUS EQUALS KEY: Prints the entered number with a "­" symbol and subtracts the number from the contents of the calculation register. This key is also used to obtain the product/quotient in negative multiplication and division and prints it with the symbol " ". [. . . ] In case of abnormal conditions When this unit is exposed to strong RF noise and/or extreme physical shock during the operation, or when the power cord is plugged into the AC outlet, the unit may start functioning abnormally which, in some rare occasions, all keys ­ including the power key ­ cease to respond. Key and the If such abnormal conditions are observed, unplug the AC cord from the socket. Keep the unit unplugged for about 5 seconds, reconnect the AC plug, then turn on the power. [. . . ]