Metrohm 730 Sample Changer User Manual Page 54

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3.5 Methods and Sequences
730 Sample Changer, Introduction
51
Procedure for creating a method:
Enter a command or select an existing command line
Press the <LEARN / HOLD> key
Function is started, "LEARN" LED lights up
Press the <LEARN / HOLD> key
Function is stopped, "LEARN" LED blinks
With the <ENTER> key, accept the value (or re-start the
LEARN function)
"LEARN" LED goes out, edit next command line
The LEARN function can be used with the following commands:
Command "Teachable" Parameter Mode of function
LIFT Lift position in mm absolute
PUMP Pump time in sec additive
STIR Stirring time in sec additive
WAIT Waiting time in sec additive
DOS Dosing volume in mL additive
SCN Rm Status of the 8 remote lines "live" value
SCN RS Character sequence received "live" value
TRACE function
The "TRACE" function is a valuable aid for operating through an
entire sequence or method (or parts thereof) for test purposes.
Every command line in a sequence can be executed directly by
pressing the <START> key. Upon completion of the action the
next command line is displayed.
Tracing can be executed immediately after entry of a sequence
line or at any time after opening the parameter menu and selecting
a sequence.
3.5.3 Process Control
With <START> a method is started from the normal state. If there
is no manual intervention or unexpected errors, the sample series
is correctly processed and closed with the final sequence. The
sample sequence is executed repeatedly according to the entry
under 'number of samples', beginning with the sample beaker that
is defined as 'SAMPLE'.
If the sample series is interrupted with <STOP>, the sample
changer returns immediately to the normal state. Samples that
have not been processed are ignored and the end sequence is not
executed. If settings for such instances have been activated under
'manual stop options', the corresponding actions or commands
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