UltraRAE 3000 User’s Guide25.4 Diagnostic ModeIMPORTANT! Diagnostic Mode is designed for servicing andmanufacturing, and therefore is not intended for everyday use, evenby advanced users. It provides raw data from sensors and aboutsettings, but only allows adjustment of pump stall parameters, whichshould only be changed by qualified personnel.Note: If the instrument is turned on in Diagnostic Mode and youswitch to User Mode, datalog data remains in raw count form. Tochange to standard readings, you must restart the instrument.25.4.1 Entering Diagnostic ModeNote: To enter Diagnostic Mode, you must begin with the instrumentturned off.Press and hold [Y/+] and [MODE] until the instrument starts.The instrument goes through a brief startup, and then displays rawdata for the PID sensor. These numbers are raw sensor readingswithout calibration. The instrument is now in Diagnostic Mode.Note: In Diagnostic Mode, the pump and lamp are normally on.You can enter Programming Mode and calibrate the instrument asusual by pressing both [MODE] and [N/-] for three seconds.You can enter Monitoring Mode by pressing [MODE] and [Y/+]together for three seconds.Once the instrument is started up in Diagnostic Mode, you can switchbetween Diagnostic Mode and Monitoring Mode by pressing andholding [MODE] and [Y/+] simultaneously for two seconds.In Diagnostic mode, you can step through parameter screens bypressing [MODE].97
