Metrohm 763 PVC Thermomat Manual - Manual (Page 105)

4 Operation
763 PVC Thermomat
98
click on the required starting point of the first tangent on the
measuring curve and then draw the tangent to the required
location with the pressed-down left-hand mouse key.
Set second tangent
Press the [ Shift ] key and use the left-hand mouse key to
click on the required starting point of the second tangent on
the measuring curve and then draw the tangent to the re-
quired location with the pressed-down left-hand mouse
key.
Alter tangents
Each of the two tangents has two points indicated by small
black squares; these can be used as follows to alter the
tangents after they have been created:
– Move the mouse close to such a point until the cursor
appears as a crosswire.
– Press the [ Ctrl ] key and move tangent to the required
location with the left-hand mouse key pressed down.
The new induction time determined with the tangents is dis-
played both in the
Manual field and in the Live graph window.
Delete manually set tangents
Deletes the manually set tangents; the newly determined in-
duction time is retained.