Smartline Autosampler 3900 Manual / Handbuch V 1508 03/2007
Smartline Autosampler 3900 Manual / Handbuch V 1508 03/2007
Smartline Autosampler 3900 Manual / Handbuch V 1508 03/2007
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32 Operation<br />
In the Ready screen the AS <strong>3900</strong> will display at the bottom line the soft<br />
functions which can be used from this screen. With the [Menu] key it is<br />
possible to toggle between the screens.<br />
At the right-hand side of the screen one or two temperatures are shown,<br />
the oven temperature and the tray temperature, when this option is<br />
installed.<br />
Direct Control functions:<br />
<br />
Activates the manual wash of the AS <strong>3900</strong>. All tubing, the needle and the<br />
syringe will be rinsed.<br />
<br />
The maintenance screens will provide three functions to control the<br />
needle arm, the syringe and the injection valve.<br />
<br />
This function is build-in to facilitate the replacement of the sample needle,<br />
air needle and valve. See also section Sample needle replacement on<br />
page 54, for detailed information.<br />
Press to move the needle arm horizontally above the inner<br />
sample ring. When the needle arm reaches the front position. It will return<br />
to its home position by pressing .<br />
<br />
This function facilitates the exchange of syringes and filling of the wash<br />
solvent tubing. See also section Syringe on page 55, for detailed<br />
information.<br />
Press to move the syringe to its end position, thereby<br />
aspirating wash solvent into the tubing and syringe. It stops from where it<br />
will return to its home position by pressing , thereby<br />
dispensing the wash solvent to waste.<br />
After changing a syringe all tubing can be rinsed using as<br />
described above.<br />
<br />
With this function the injection valve can be switched.<br />
Press to switch the valve from INJECT to LOAD.<br />
When the valve is in the LOAD position it can be switched back to<br />
INJECT by pressing .<br />
It is not possible to leave this function when the valve is in the LOAD<br />
position, first switch back by pressing and then press<br />
[Escape].<br />
To leave the maintenance screen and return to the Ready screen press<br />
[Escape].<br />
<br />
After pressing the AS <strong>3900</strong> enters the serial communication<br />
mode. From this mode the AS <strong>3900</strong> can be controlled from a personal<br />
computer using the RS232 interface and the <strong>Smartline</strong> application<br />
software. Refer to the <strong>Smartline</strong> manual for operating instructions. This<br />
manual is available on request as a separate document.
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