Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 194)

3.24 Manual control
182
PC Control / Touch Control
The specified volume is shown above the volume that is already dosed.
If the Fill automatically checkbox is deactivated then the button
[Fill] is available additionally.
[Stop] is used to stop the addition. You can use [Hold] to interrupt the
addition and continue it with [Continue].
Fill
You can fill the dosing cylinder manually with the [Fill] function. The
piston and valve positions are shown during the filling process. Filling is
carried out at the maximum filling rate.
Prepare
The [Prepare] function is used to rinse the cylinder and tubing of the
exchange unit or dosing unit and to fill bubble-free. You should carry
out this function before the first determination or once per day.
The parameters defined for the titrant under System/Titrants for
preparing the exchange or dosing unit and the tubing parameters will
be used for rinsing (see Section 3.8.6). For every dosing device you can
define in the Device manager when a message is to be shown to
remind you that the dosing device has to be prepared (see
Section 3.10).
Start the preparation process with [Prepare]. The display switches
automatically to the live display.