PerkinElmer Photovac 2020, Manual

Page: 56 / 190

2020 Software Manual
54
Cal
Cal allows you to setup and calibrate 2020. You have three options
under the Cal function: “Zero”, “Span” and “Mem”.
A calibration memory consists of a name, a response factor, and
PEAK, TWA and STEL alarm levels.
The “Zero” and “Span” keys will be covered in detail in General
Information on page 69.
To edit the calibration memory , select “Mem” and then “Chng”.
The 2020 prompts you with two new soft keys; “User” and “Lib”.
Library
Library selections simplify Cal Memory programming, and provide
standard response factors for approximately 70 applications. “Lib”
allows you to select an entry from a pre-programmed Library. The
name, response factor and three alarm levels are all set from the
library.
To select a library entry to program the selected Cal Memory:
1. Select “Set”, “Cal”, “Mem”, “Chng” and “Lib”.
2. Use the “Next” and “Prev” keys to scroll through the
list. See page 174 for a list of the library entries.
3. When the required entry is displayed, press the ENTER
key to select it. All the Cal Memory parameters will
now be copied from the selected library entry to the
current calibration memory.
4. Press the “Set”, “Cal”, “Mem”, “Chng”, “User” keys to
review the Cal Memory settings.
The “User” key is used to edit the Cal Memory
information manually. Press ENTER to move you
through each step of the cal memory: name, response