Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 189)

3 Operation
PC Control / Touch Control
177
Touch Control:
Touch the [Manual] fixed key.
Selecting the control device
If you have connected several control devices then, after selecting the
function, possibly you have to select the control device (Titrando, USB
Sample Processor etc.) that you want to work with. The respective
device names are displayed. The name and further settings are
configured under System/Device manager (see Section 3.10).