Table of Contents
Chapter 3. Operation
3.1 Introduction
Operating instructions fall into three categories:
•
Normal Operation - Using the unit's controls.
•
Setup and Programming - Customizing the unit for specialized applications (not required for many
conventional applications).
Note: The unit is shipped pre-programmed to meet typical requirements. The factory default settings are listed in
Table 4 on page 35. Complete programming instructions are given in Chapters 4, 5, and 6.
•
Maintenance - Manually testing the unit's cooling capacity, cleaning the mirror, and other operations that might
be required on a regular basis, or when a problem is suspected, depending on the application. Details are given
in Chapter 7. "Maintenance".
3.2 Normal Operation
Normal operation of the Optica is very simple. To turn the unit on, check that the main power switch on the rear of the
benchtop unit is set to ON (—), then press the right-hand side of the power switch (located at the lower left corner on
the front of the unit).
The Optica begins its power-up sequence, which lasts about a minute. The unit's software version is displayed on the
initial screen. The status line displays Initializing. Next, the Optica performs a PACER balance. The PACER balance
typically requires five to fifteen minutes, depending on the sensor chosen and the humidity of the sample gas during the
balance cycle. The status line displays Balance Acquiring.
Once the balance cycle is completed and the unit reaches steady state, Control is displayed in the status bar at the
bottom of the screen.
The sensor can be controlled using the softkeys to the right of the display, shown on the screen in Figure 23 on page 28.
The operator can manually heat or cool the sensor, or initiate a PACER balance cycle.
Optica™ Operator's Manual
Chapter 3. Operation
27
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