38 Operating Guide
4 Keypad Operation
The Run Keys
These keys are used to start, stop, and prepare the GC to
run a sample.
The Service Mode Key
[Prep Run] Activates processes required to bring the GC to
the starting condition dictated by the method
(such as turning off the inlet purge flow for a
splitless injection or restoring normal flow
from gas saver mode). See the Advanced User
Guide for details.
[Start] Starts a run after manually injecting a sample.
(When you are using an automatic liquid
sampler or gas sampling valve, the run is
automatically activated at the appropriate
time.)
[Stop] Immediately terminates the run. If the GC is in
the middle of a run, the data from that run
may be lost. Refer to the Advanced User Guide
for information on how to restart the GC after
pressing [Stop].
[Service Mode] Is used to access maintenance functions and
settings, service counters, and diagnostics for
the GC. See the Advanced User Guide for
details.