[. . . ] The wires in this mains lead are coloured in accordance with the following code: BLUE: Neutral BROWN: Live As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows, The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured black. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured red. [. . . ] in the ``F'' position , the answer is displayed in the floating decimal system. CONSTANT/ADD MODE SELECTOR: ``K'': The following constant functions will be performed: Multiplication: The calculator will automatically remember the first number entered (the multiplicand) and instruction. Division: The calculator will automatically remember the second number entered (the divisor) and instruction. When the Add mode is activated, the decimal point is automatically positioned according to the decimal selector setting. Use of , and will automatically override the Add mode and decimally correct answers will be printed at the preset decimal position. There are several situations which will cause an overflow or an error condition. If an ``0 E'' is displayed at the time of the error, must be used to clear the 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. When the integer portion of the contents of the memory exceeds 12 digits. Note: The decimal point floats during successive calculation by the use of or . If the decimal selector is set to "F" then the answer is always rounded down ( ). A maximum of 4 digits can be stored (decimal point is not counted as a digit). Calculate the dollar difference (a) and the percent change (b) between two yearly sales figures $1, 500 in one year and $1, 300 in the previous year. The rounding selector should be in the ``5/4'' position unless otherwise specified. [. . . ] The socket outlet shall be installed near the equipment and shall be easily accessible. This equipment complies with the requirements of Directives 89/336/EEC and 73/23/EEC as amended by 93/68/EEC. [. . . ]