3
Table of contents
1 Intended use ..................5
2 Getting started ...............5
2.1 Description of the instrument ............ 5
2.2 Package contents ......................6
2.3 Inserting the batteries ..................7
2.3.1 Replacement of batteries .............8
2.3.2 Saving data – Important notes .........8
2.4 Operation buttons and display ............9
2.4.1 Operation buttons ...................9
2.4.2 Display .........................10
2.4.3 Menu items ......................10
2.5 Starting the RQflex®20 the first time .....11
2.6 Settings ............................12
2.6.1 Overview .......................13
2.6.2 Setting the language ...............14
2.6.3 Setting the date format .............15
2.6.4 Setting the time format .............16
2.6.5 Setting the date ..................17
2.6.6 Setting the time ..................18
2.6.7 Setting the auto power off time .......19
2.6.8 Setting the audible signal (ON or OFF) ..20
2.6.9 Setting the acoustical countdown warning ..21
2.6.10 Setting the memory capacity warning
(ON or OFF) . . . . . . . . . . . . . . . . . . . . .22
2.7 Initial calibration .....................23
3 Measurement.................27
Method list ..............................27
3.1 Add a new method ....................28
3.1.1 Guided way .....................28
3.1.2 Shortcut........................30
3.2 Measuring with test kits................31
Continue with the last used method .........31
Choose from method list .................31
Shortcut.............................32
Measurement procedures .............. 33
3.2.1 Measurement procedure A ...........33
3.2.2 Measurement procedure B ...........35
3.2.3 Skip the timer....................39
3.2.4 Serial measurements ...............39
3.2.5 General notes on measurement .......40
3.3 Method details .......................40
3.4 Delete all methods ....................42
