Getting started 1-19
Displaying help
All parameters in the Waters Prep Series have associated Help. A HELP
screen key appears in the lower-right corner of every screen.
To display Help for a topic:
1. Move the cursor to the field for which you want help.
2. Press the HELP screen key. A Help screen topic appears that offers
parameter specifications.
3. Press the RETURN screen key to quit Help.
Shutting down the system
If you do not plan to use the Waters Prep Series system for overnight or
longer, shut the system down, observing these precautions:
• Do not leave buffers in an unused system. First, flush the lines with
Milli-Q
®
HPLC-grade water. After cleaning the lines of any salts, flush
the system with Milli-Q
®
HPLC-grade water containing at least 10%
methanol. (Remove the column if it is incompatible with this storage
protocol.)
• Flush the plunger wash system with fresh solvent. Disconnect the
plunger wash outlet line from the plunger wash pump (at the pump
head). Using a syringe filled with fresh solvent, push the new solvent
through the plunger wash lines. This ensures the cavity behind the
pump seals is cleared of buffer while the pump remains idle.
When you complete this operation, reattach the outlet line to the pump
head.
Shut down the system with the On/Off switch on the front panel of the
controller.
Configuring the controller
This section helps determine which controller configuration to use.
Caution: Water or buffers that remain in the system can promote
microbial growth.
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