Bio-Rad BioLogic LP System - Manual (Page 39)

32
System Operation
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Table 5. (continued)
Front Panel Controls
Key Description
Mark key: This key signals the chart recorder to put an event mark on the UV
trace.
Help key: Pressing this key at any time displays information about the screen that
is currently displayed. Use the Prev and Next keys to scroll through the Help
screens. To exit help, again press the Help key.
LEDs: The LEDs at the top left of the front panel are lit when the indicated function
is activated. The Pump’s LED flashes when the pump is running at purge speed;
the UV’s LED flashes when the lamp is warming up.
Modes Mode keys: These keys allow you to select a mode of operation. The LED next to
the key indicates the mode selected. For Program mode, a flashing LED indicates
the mode was changed before the operation was completed. For Run mode, a
flashing LED indicates the system is ready to start or is paused.
• Manual: Allows you to individually control instruments and functions. Select
the instrument to be controlled using any of the keys listed in the INSTR
(Instrument) line of the front panel.
• Program: Allows you to write, edit, store, and recall a separation method. You
can program and store up to 50 methods. Program mode’s LED flashes when
you select Manual mode before completing the Method.
• Run: Allows you to run the currently selected method. Run mode’s LED flash-
es when you select Pause during the run.
Mark
?
Help
Manual
Program
Run
Pump
Fraction Collector
UV Lamp
Chart Recorder
Alarm