10 Contents 11Contents6 Acoustic Mode.......................................................................... 1206.1 Beep tones at power-on .................................................... 1226.2 Beep tones during testing ................................................. 1236.3 Announcement of the result following a test ...................... 1236.4 Announcement of results and average values frommemory ............................................................................ 1266.5 Announcement of warnings and error messages ............... 1287 Checking your meter................................................................ 1297.1 What you need .................................................................. 1307.2 Performing a performance check ...................................... 1317.3 Possible causes of error during the performance ofperformance checks ......................................................... 1378 Cleaning the meter and lancing device................................... 1408.1 Cleaning the meter............................................................ 1408.2 Cleaning the lancing device............................................... 1449 Changing the batteries ............................................................ 14510 Blood glucose testing in a multi-patient setting –Information for healthcare professionals ............................... 15010.1 Replacing the lancing device with a blanking plate............ 15210.2 Performing a blood glucose test ........................................ 15410.3 Disinfecting the meter ....................................................... 15810.4 Suitable disinfectants ........................................................ 16211 Measurement and storage conditions .................................... 16311.1 Temperature range............................................................ 16311.2 Light conditions ................................................................ 16511.3 Humidity ........................................................................... 16611.4 Local sources of interference ............................................ 16612 Symbols, error messages and troubleshooting ...................... 16712.1 Symbols shown in the display ........................................... 16812.1.1 Single symbols ...................................................... 17012.1.2 Combinations of symbols ...................................... 17612.1.3 Symbols appearing in the numeric field ................. 17912.2 Interferences and error messages – causes andtroubleshooting recommendations .................................... 18113 Technical data .......................................................................... 19614 Alternate site testing ............................................................... 20014.1 Choosing the right moment ............................................... 20214.2 Obtaining blood and testing blood glucose ........................ 20414.3 Cleaning the AST cap ........................................................ 20715 Disposing of the meter............................................................. 20816 System components ................................................................ 20917 Patents...................................................................................... 21018 Accu-Chek Customer Care Line .............................................. 21118.1 Advice and troubleshooting ............................................... 21118.2 Addresses ......................................................................... 21219 Alphabetical index ................................................................... 213