Hanna Instruments HI 93414 - Manual (Page 32)

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• If the calculated calibration coefficients are
outside a certain range the “ CAL Err” message
is displayed.
CALIBRATION DELETION
HI 93414 is factory calibrated. It is possible to
restore factory calibration by deleting the last
performed calibration.
To delete last calibration, follow the next steps:
• Enter the GLP feature by pressing RCL/GLP
for three seconds. The date of the last
calibration will be displayed on the LCD.
• Press READ/TIMER to see the information
related to calibration. The last panel is the one
with delete calibration.
• Press SETUP/DEL to delete the current
calibration. The instrument will display “ dEL
donE” for a second and the calibration is
deleted, then the instrument will automatically
return to measurement mode.