Smartline Autosampler 3900 Manual / Handbuch V 1508 03/2007

38 Operation
For information how to install the Prep option to a standard AS 3900 see
appendix E.
Injection volumes Prep AS
Ensure that the programmed injection volume does not exceed the
50% of the loop volume, otherwise the reproducibility and accuracy
of the injection can not be guaranteed.
Method programming
The AS 3900 offers nine programmable methods.
Depending on your needs a method may comprise:
• Injection program Containing information on the type of the
injection with the flush volume, injection
volume, number of injections per vial and
the analysis time.
• Wash program Containing information on the wash of the
AS 3900.
• Mix program Containing information on the sample
handling of the sample prior to the injection.
• Timed events program Containing information on the auxiliaries and
the temperature of the column oven during
the analysis of the sample.
A method is any combination of the above and is saved as combination
under its method number.
To enter the method programming mode press [Method].
After entering the method number the AS 3900 will return with the main
screen of method programming:
PROGRAMMING METHOD NUMBER: 1 (I W M T)
SELECT SECTION TO PROGRAM
From this screen the different sections can be programmed after pressing
the corresponding soft function key.
Existing programs in this method are displayed between brackets on the
first line; I for the injection program, W for the wash program, M for the
mix program and T for the timed events program.
After programming the method press [Escape] to leave the method
programming.
The methods are stored in battery backup memory.
Injection program
After pressing the AS 3900 returns with the main screen
of injection programming.
METHOD NUMBER: 1 SECTION: INJECTION
INJECTION MODE: PARTIAL LOOPFILL