Teledyne 7500ZA - Infrared Gas Analyzer - Manual (Page 104)

Error Messages Model 7500ZA
Teledyne Analytical Instruments 88
Error Log Screen
* Up to 14 errors can be saved in the error history; the oldest error will
be deleted one by one every
time a new error occurs.
* If the power supply is turned OFF, the contents in the error log file
will not be lost or damaged.
Deleting Error History
Press the ENT key on the above screen, and the “Clear Error Log”
will be highlighted. Pressing ENT again will clear the error history.