Operating instructions

4. Calibration page 48
Mercury Instruments UT-3000-E_V2.11.docx 31.07.12
Analytical Technologies
4.5.7 Empty Syringe
F4- Empty Syringe is selected in the Calibration Mode menu. By pressing F4 this function can
be switched on or off. If Empty Syringe is On, then after each mercury injection the syringe is
filled with air and re-injected into the gold trap.
4.5.8 Cal. Mode
Page 2 of the Automatic Calibration Menu, press F1- Cal. Mode. In this menu the kind of
calibration function calculated from the calibration results can be set: either a linear least square
regression (Y= aX+B) or a regression without intercept (Y= aX).
4.5.9 Activation of Automatic Span Calibration
This function has to be activated if an automatic one-point calibration should be performed. It is
also necessary to activate this function if an externally triggered span check should be carried
out.
Press ESC- Service in the Main menu. Enter the code 999 + ENT. Activate the Automatic
Calibration Mode (F1) or the Automatic Span Calibration (F2). The automatic calibration or the
automatic span calibration will be carried out at the pre-set time intervals or at the pre-set times if
measurement has been started.