Metrohm 746 VA Trace Analyzer User Manual
Page 246
5.5.3 CURVES
746 VA Trace Analyzer / 747 VA Stand
5-95
Softkeys
Meaning
Display
segment
Display segment
Switching to the display of the segment associated with the selected
substance.
Select
subst.
Select substance curves
The selection of substance and VR numbers determines what sub-
stance curves are displayed. First, the softkeys carrying the substance
name and segment name must be used to select the substance:
Subst.#
Segment#
Selection of the substance
Subst.#
allocated to the segment
Segment#
.
This is followed by entry of the numbers for variation
V
and replication
R
. For this, the system window shows the message:
VR max: ##
Maximum selectable VR values
Enter VR: [*0]
Entry of VR
The following possibilities are available for the entry of VR:
##
Entry of two numbers
##
for the display of a single
curve.
*#
Entry of an asterisk
*
and a number
#
for the display
of all variations with the same replication (shown by
(grouped VR: *#)
in the title line).
#*
Entry of a number
#
and an asterisk
*
for the display
of all replications of the same variation (shown by
(grouped VR: #*)
in the title line).
**
Entry of two asterisks
**
for the display of all curves
(shown by
(grouped VR: **)
in the title line).
Some of the possible entries can be selected directly by pressing the
appropriate softkeys. Without entry of VR, the default value
*0
is
effective for all variations with replication 0 as standard.
Select
curve
Select curve
The following curves can be selected for each substance using the
softkeys:
Original
Display of the original curve (original measured values)
Valid measured values
k
Recognized spikes
¡
Invalid measured values (overflow)
I
U
k
k
k
In determinations with
PSAMODE, the original
curve can not be dis-
played.
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