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Zooming – Metrohm 797 VA Computrace User Manual

Page 137

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5.4 Determination curves

797 VA Computrace – Software

125

Automatic

Switch on/off the automatic peak baseline evalua-
tion.

Begin

Manual setting of the start base point for baseline
evaluation. The base point can be moved either by
manually changing the voltage value

(time for

CPVS)

in the first field or by clicking the

but-

tons of the second field indicating the current
value. This field can only be edited if

Automatic

is

disabled.

End

Manual setting of the end base point for baseline
evaluation. The base point can be moved either by
manually changing the voltage value

(time for

CPVS)

in the first field or by clicking the

but-

tons of the second field indicating the current va-
lue. This field can only be edited if

Automatic

is

disabled.

Type [ Linear, Polynomial, Exponential, Horizontal ; Linear

]

Selection of the baseline type. This field can only
be edited if

Automatic

is disabled.

Scope [ Whole peak, Front end, Rear end ; Whole peak ]

Selection of the range for baseline evaluation. This
field can only be edited if the

Linear

baseline type

is selected.

Start baseline evaluation with the current parame-
ters entered in the

EDIT BASELINE

window.

Zooming

Curve regions in the determination curves subwindow can be
enlarged by zooming the desired area while pressing the left mouse
button ("drag a box"; reset see Auto scaling).