ToxiRAE Pro User’s Guide
23
Once you enter Programming, the LCD displays the first menu, Calibration. Each
subsequent menu is accessed by pressing [MODE] repeatedly until the desired menu is
displayed. To enter a submenu of a menu, press [Y/+].
12.5.1. Calibration
Two types of calibration are available: Zero (fresh air) and Span.
In the Calibration submenu, select Zero or Span Calibration by pressing [MODE]. Once
your choice is highlighted, press [Y/+].
Zero Calib
The procedure for performing a zero calibration is covered on page 43.
Span Calib
The procedure for performing a basic span calibration is covered on page 46.
Exit
Press [Y/+] to exit. Calibration is exited, and Measurement is highlighted in the
Programming Menu screen.
12.5.2. Alarm Setting
High Alarm
Set the High Alarm as follows:
1. In the High Alarm submenu, press [Y/+] repeatedly to select a desired number.
Numbers increase from 0 to 9. Once 9 is reached, pressing [Y/+] again “wraps”
around back to 0.
2. Press [MODE] to move to the next digit.
3. When you are satisfied with the number, press [MODE] until “OK” is
highlighted.
4. To save the new value, press [Y/+]. The value is saved, and the menu advances to
Low Alarm.
To exit without saving the new value:
1. Press [MODE] to advance to Cancel.
2. Press [Y/+] to exit the High Alarm submenu and advance to the Low Alarm
submenu.
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