User guide

Methods and Sequences 5
Advanced User Guide 107
The GC also saves ALS setpoints. See the 7693A Installation,
Operation, and Maintenance manual for details on its setpoints.
Setpoint parameters are saved when the GC is turned off and
loaded when you turn the instrument back on. However, if the
hardware was changed while the instrument was turned off, it
may not be possible to restore all setpoints in the method.
To program a method
1 Individually select each component for which setpoint
parameters are appropriate for your method. (See Table 21.)
2 Examine the current setpoints and modify as desired.
Repeat for each component as appropriate.
3 Examine the current setpoints for the ALS, if appropriate,
and modify as desired. (See “To program the ALS” on
page 107.)
4 Save the setpoints as a stored method. (See “To save a
method” on page 109.)
To program the ALS
1 Press [Front Injector] or [Back Injector].
2 Scroll to the desired setpoint. (See Table 22.)
3 Enter a setpoint value.
4 Examine the current setpoints for the sampler tray, if
appropriate, and modify as desired. (See “To program the
ALS sampler tray” on page 107.)
5 Examine the current setpoints for the bar code reader, if
appropriate, and modify as desired. (See “To program the
7683B ALS bar code reader” on page 108.)
6 Save the setpoints as a stored method. (See “To save a
method” on page 109.)
To program the ALS sampler tray
For the 7693A sampler tray, see the 7693A Installation,
Operation, and Maintenance manual.
For the 7683B sampler tray:
1 Press [Sample tray].
2 Press [On/Yes] to enable the barcode reader (if present) or
[Off/No] to disable it.