Gilson 402 - Manual (Page 57)

5-7
Operation - Advanced Use
5
Software
If you want to change the configured volume, press
Chge (until you reach the correct value); when the
volumes are the same press ENTER, press the ESC
key to return to the Configuration Screen, or press
Next, after which you see the Air Gap Volume
Screen.
Key in the ‘Air gap volume’, press ENTER to
confirm then press the ESC key to return to the
Configuration Screen.
Air gaps may be used to separate liquids in the
transfer tubing; the default value for ‘Air gap
volume’ is 10 µl, which gives a column of air 6 mm
long in the standard transfer-tubing (2 mL).
Syringe(s)
Check that the configured volumes for the syringes
are the same as the sizes to be fitted. Press the Syr
soft-key.
The use of the soft-keys is as follows:
Next is used to go to the next screen,
Prev is used to go to the previous screen,
Corr is used to supply a correction factor for the
syringe travel,
Chge is used to select the size(s) of syringe(s),
Exch is used to lower the piston rods (see page 4-7).
• Change Size
If the volumes are the same press ENTER to
confirm. Or, to change a syringe size, press the
Chge soft-key until you reach the corresponding
volume, then press ENTER to confirm. Press the
ESC key to return to the Configuration Screen.
When you have two syringes, press Next; check
that the configured volume for the right syringe is
the same as the size fitted; if the volumes are the
same press ENTER to confirm. Or, to change a
syringe size, press the Chge soft-key until you
reach the corresponding volume, then press
ENTER to confirm. Press the ESC key to return to
the Configuration Screen.
Whenever you change the configured volume, the
software reminds you to ‘Exchange Syringes’
before allowing you to quit the configuration
screen. [You use Exch to lower the piston rods.]
Syringe Screen