Xylem TitroLine 7800 Mode D'emploi page 247

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We set the volume as a fixed volume (Fig. 221).
Fig. 221
If you select «manual input», then the pre-dosing volume is requested when starting the method.
There you can then select a variable volume. But we set a fixed volume of 20 ml (Fig. 222).
Fig. 222
Confirm with <ENTER/OK>.
You can set the following parameters in the pre-dosing menu (Fig. 223 and Fig. 224):
burette address, delay time, pre-dosing and filling speed, stirrer control and - stirrer speed.
Fig. 223