When you are installing a G1949A manual injection valve on an LC/MSD,
you must burn a value into the SmartCard non-volatile RAM that tells the
system that there is a manual injection valve. If you do not do this, the
system will not detect the start signal when an injection is made through
the manual injection valve.
How you set the value depends on whether you have rev. A.05.0x or A.06.01
and greater.
- For rev. A.05.0x, type on the command line:
msscwrite ":msc:parm:pset msvalvep,1"
- For rev. A.06.01 and greater, type on the command line:
setnvr
A dialog box will be displayed where you can select the
Present
button in the
MS Injection Valve Option section. (Note: the msscwrite...
command will work for rev. A.06.01 and greater also.)
This must be done in addition to selecting
Use MSD Manual Injector from
the
Run Control menu in the
Method & Run Control view in the LC/MSD ChemStation.
You will also need to repeat the above steps if the SmartCard is ever replaced.