Message windows during determination – Metrohm 757 VA Computrace User Manual

Page 100

5 Determination mode

757 VA Computrace – Software

The

progress indicator below this field shows the progress of

the determination.
The

details of the running operation sequence step are dis-

played in the first line of the status field below the progress indi-
cator. In the second line of the status field

comments or error

messages concerning the running determination are displayed.
The red light at the right side of the status field indicates a

cur-

rent overload. In this case, stop the measurement and change
the measurement parameters.
For a running voltage sweep there is a live display in the

MONI-

TORING

window with automatic scaling of the axes. Manual re-

scaling can be done by pressing the button or selecting
the

Auto scale

option of the context sensitive menu. At the end of

each voltage sweep, the recorded curve is copied into the

DETERMINATION CURVES

window.

Message windows during determination

For some steps in the operation sequence additional windows
demanding an action or entry of the user appear.

PLACE BLANK

If the

Measure blank

option in the

Determination

tab is enabled, the message

Place blank and press

appears. Add the blank solution into the

measuring vessel and press

PLACE SAMPLE

This window appears for all sample determina-
tions with standard addition or calibration curve.

The window displays date and time of the deter-
mination start and the title of the method used.
Date and time in the format

MMDDHHMM

(month-

day-hour-minute) and the

Sample ID

are used as

default for the name of the determination file to
be saved automatically (e.g.

02041109_std.dth