ToxiRAE Pro CO
2
User’s Guide
48
14. Diagnostic Mode
In Diagnostic Mode, the ToxiRAE Pro CO
2
provides raw counts for sensor, battery, and
other readings. Most of these screens are useful only to service technicians. Therefore, if
you require information on Diagnostic Mode, contact your RAE Systems distributor.
The ToxiRAE Pro CO
2
’s Diagnostic Mode can only be accessed at startup time. In
Diagnostic Mode, ToxiRAE Pro CO
2
displays readings in raw counts instead of units such as
parts per million (ppm).
14.1. Entering Diagnostic Mode
1.
With the ToxiRAE Pro CO
2
turned off, press and hold both [MODE] and [Y/+].
2.
When the display turns on and the password screen appears, release the keys.
3.
Enter the 4-digit password (the password is the same as the one for the
Programming Mode):
•
Step from one position in the four-character string to the other by pressing
[MODE].
•
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.
4.
When you are done, press [MODE] until either OK or Cancel is selected. Press
[Y/+] to register the password (if “OK” is highlighted) or to exit without entering
the password (if “Cancel” is selected).
14.2. Navigating Diagnostic Mode
Step through Diagnostic Mode by pressing [MODE].
14.3. Exiting Diagnostic Mode
1.
Turn off the ToxiRAE Pro CO
2
by pressing and holding [MODE]. There will be a
standard shutoff countdown.
2.
When the instrument shuts off, you will be alerted. Release your finger.
Note:
The next time you start ToxiRAE Pro CO
2
, hold only [MODE], and it will
automatically start in Normal Mode.
