User manual SHARP CS-4194

[. . . ] Before using for the first time, remove the attached lithium battery, and install it in the equipment according to the following procedure. If the power cord is unplugged by accident when operating with AC power only, the set tax rate and the contents of memory will be lost. 1) Turn the power switch "OFF" and unplug the power supply plug from the outlet. 2) Remove the battery cover on the back of the unit. [. . . ] STORE KEY: This key is used to store the tax/ discount rate. A maximum of 4 digits can be stored (decimal point is not counted as a digit). If you enter a new rate, the previous rate will be cleared. Symbols: M : 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 a negative. E : Error symbol Appears when an overflow or other error is detected. : Grand total memory symbol Appears when a number is in the grand total memory. * Although all available symbols are shown here for instruction purposes, these symbols will not appear on the screen simultaneously. Remove the paper roll from the calculator. (Tear the paper and remove it from the print mechanism by using . Remove the printer cover by sliding it towards the back of the calculator. Thread the ribbon around the outside of the metal guides. Take up any slack by manually turning one of the reels. Insert the paper roll from the left side of the paper holder and make sure the paper roll is set in the proper direction (with the paper feeding from the bottom). Insert the leading edge of the paper into the opening directly behind the print mechanism. Press the paper feed key and feed the paper under the edge of the paper cutter. There are several situations which will cause an overflow or an error condition. When this occurs, the error symbol "E" will be displayed and all keys will electronically lock. The contents of the memory at the time of the error are retained. if "0· E" then " , , , , , , , " is printed in red at the time of an error (in Non-print mode, error symbols are must be used to clear the only displayed), calculator. If an "E" with any numerals except zero is displayed, the error may be cleared with or and the calculation can still be continued. [. . . ] If an error is made while entering a number, press or and enter the correct number. Negative values are printed with "­" symbol in red. Note: All totals and sub-totals may be used for further calculations. RE-ENTER the number into the calculator by using the FUNCTION key and continue the problem. [. . . ]