Metrohm 789 Robotic Sample Processor XL - Manual (Page 122)

3.11 TRACE function
114 Metrohm Sample Processor, Operation
• Accept the value with the key (or start the LEARN function
again)
• The LEARN LED goes out; the next command line appears
The LEARN function is available for the following commands:
Command Adaptive parameter Type of function
LIFT Lift position in mm absolute
PUMP Pumping time in s additive
STIR Stirring time in s additive
WAIT Waiting time in s additive
DOS Dosing volume in mL additive
SCN Rm Status of 8 Remote lines "live" value
SCN RS Received character string "live" value
3.11 TRACE function
The comfortable TRACE function is available for testing the run of a
command sequence.
The TRACE function is a valuable aid for testing either a complete
method or parts of a method step by step for test purposes. Each
command line in a sequence can be executed directly by pressing the
key. When the command has been executed the next
command line is shown.
"Tracing" can be carried out directly after a command line has been en-
tered or at any other time after the parameter menu has been opened
and a sequence has been selected.
3.12 Disabling keypad functions
Certain user dialog areas can be made inaccessible to untrained users.
Various dialog areas or keys can be disabled. For example, this can be
used to prevent a method from being overwritten accidentally or pa-
rameters from being altered.
The >keyboard options menu for the corresponding settings is opened
by keeping the key pressed down when the Sample Proc-
essor is switched on. This menu can still be accessed even if the whole
keypad has been disabled.
The individual key functions that can be disabled are:
3.12.1 Disable whole keypad
In routine work, if only a single particular method is used, it may be ad-
visable to prevent manual manipulations on the Sample Processor. For
this reason it is possible to disable (almost) all the keypad keys. The