Instruction Manual

8 How to ...?
797 VA Computrace – Software
216
838 Advanced Sample Processor. You can use 50 mL sample
vessels (on the two outer rings) or 11 mL sample vessels (on
the two inner rings). Place the sample on the outer (e.g. posi-
tion 1) of the two rings and the rinsing solution on the inner
(e.g. position 29) of the two rings. Define the position of the
first sample vessel for the 838 parameter "SAMPLE" with the
838 keypad.
13. Click on
or MAIN WINDOW / Window / Monitor to open the
MONITOR window.
14. Start the measurement by clicking the icon in the MAIN
WINDOW
or the button in the MONITORING window.
15. Follow the instructions in the appearing message windows.
Note: If you want to measure all samples with the same working
method, you can select Repeat current method for Working met-
hod source on the Automation tab of the GENERAL SETTINGS win-
dow. The SAMPLE TABLE window is not accessible with Repeat
current method
.
838 method for trace analysis
For automated trace analysis with the 838 Advanced Sample
Processor it is recommended to set the method VA at the sample
changer.
The method VA has the following sequence:
VA
parameters
method VA
number of samples rack > Number of samples to be
processed (entire sample
rack)
>start sequence
1 CTL:Rm: INIT > Initialize Remote lines
2 Move 1 : sample > First Sample on Pos. "SAM-
PLE"
3 CTL:Rm: ************1 > Remote start CT797
4 CTL:Rm: ************0
>sample sequence
1 SCN:Rm: *****1** > Scan line for incoming signal
from CT797
2 MOVE 1 : sample > Move needle to sample
3 LIFT: 1 : work mm > Place needle at working posi-
tion
4 PERISTALT: 300 s 10 > Sample transfer
5 CTL:Rm: ************1 > Set line: sample transfer
ready
6 CTL:Rm: ************0