User manual CITIZEN CX-77SIV

[. . . ] 3) Cut the edge of the paper roll (2) straight with scissors and insert the edge of the paper roll into the paper slot (3). [. . . ] Sign Change Key Uses to change the algebraic sign of a display number/operand. A : ADD Mode -- Addition and subtraction calculations are preformed with an automatic 2-digit decimal so that decimal point entry is not required. Data printout key Used for printing out displayed content but it does not affect calculation such as dates and serial numbers. Memory Plus Key Accumulates the displayed number or calculated result directly into the memory. Memory Minus Key Subtracts the displayed number or calculated result from the memory storage. Memory Recall Key / Memory Clear Key Recalls the content of the memory to the display and/or the printing paper. Clears the content of the memory after recalling its contents to the display and/or to printing paper. Deduct Tax key Used for deducting the tax amount from the displayed figure. [. . . ] The unit complies with the requirements of Directive 89 / 336 / EEC as amended by 93 / 68 / EEC [. . . ]