User`s guide

Operation
120
split on. See Setting the Outlet Split Flow on page 80 for details on
setting the outlet split flow.
Liquid N2 Option—Check this option to enable it on the Status tab.
The option allows you to cool the cold trap down to –100°C. This
option (L427-0009) must be installed on your instrument at the
factory or by a service engineer.
Number of Injections—Use the plus/minus buttons to set the
number of injections you require.
Maintenance Alarm—Use this option to set the number of samples
to be performed until a warning message is displayed. For example,
after every 5,000 samples the o-ring seals in the tube handling
system may need to be replaced and this warning can remind you of
this action.
Set the number according to your application. If you encounter an
unusually high number of leak test faults, you may need to decrease
the number of samples that are run before the o-rings are replaced.
You may also want to check the cold trap at this interval. See
Changing the Trap Filter Disks on page 281.
You can reset the counter by pressing the Reset button.
You can check the number of injections that have been made and
adjust the maintenance interval at any time.
Setup Tab
The options on the Setup tab provide access to tube and system
configuration.