Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 24)

3.1 Operating principles: Touch Control
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PC Control / Touch Control
To the left of the block of numbers you can see the input range
together with its default value. If not only numbers but also special
values (e. g. off) can be entered for a parameter then the
corresponding buttons will be shown to the right of the block of
numbers. For many method parameters it is also possible to enter a
result which has previously been defined in the method sequence as a
value. The result variable can be selected under [R1] (see
Section 4.5.1).
Touch the required number or special value. The whole entry can be
deleted with [Delete entry].
Accept your entry with [OK] or [Back], or reject it with [Cancel].
To make the entry of texts and numbers easier you can also connect an
external PC keyboard with a USB connection to a Titrando system with
Touch Control (see Section 3.10.14).