Hanna Instruments HI 2550 - Manual (Page 38)

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pH RESOLUTION pH RESOLUTION pH RESOLUTION pH RESOLUTION pH RESOLUTION
Press CAL when “rES” message is displayed on the secondary LCD. The
set resolution (“0.1”, “0.01” or “0.001”) will start blinking.
Press the ARROW keys to toggle between 0.1, 0.01 and 0.001 options.
Press CFM to save the modified value.
Press CAL to escape without saving.
CURRENT TIME CURRENT TIME CURRENT TIME CURRENT TIME CURRENT TIME
Press CAL when the current time is displayed. The hour will start blinking.
Press the ARROW keys to change the hour.
Press RANGE. The minutes will start blinking.
Press the ARROW keys to change the minutes.
Press CFM to save the modified value.
Press CAL to escape without saving.
ONE-POINT CALIBRATION BEHAVIOR ONE-POINT CALIBRATION BEHAVIOR ONE-POINT CALIBRATION BEHAVIOR ONE-POINT CALIBRATION BEHAVIOR ONE-POINT CALIBRATION BEHAVIOR
Press CAL when “1 Pnt” message is displayed on the secondary LCD.
One of the two options (“Pnt” or “OFFS”) will start blinking (see pH
CALIBRATION PROCEDURE for details, page 13).
Press the ARROW keys to toggle between “Pnt” and “OFFS” options.
Press CFM to save the behavior for one-point calibration.
Press CAL to escape without saving.
Note: To remove a custom buffer from the calibration list enter custom
buffer press CAL key then press CLR key. The “no” “cb1” or “cb2”
message will be displayed and the instrument return for the
SETUP parameter scroll mode.