Hanna Instruments HI 221 - Manual (Page 22)

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Setup mode allows viewing and modification of the following parameters:
• Calibration Alarm Time Out
• Instrument ID
• Current Time (hour & minute)
• Current Date (month & day)
• Current Year
• pH Resolution (HI 223 only)
• Beep Status
• Baud Rate (serial communication)
• Command Prefix (serial communication)
To enter the Setup mode press the SET/CLR key while the instrument is in
measuring mode. Press SET/CLR key to exit SETUP mode.
Select a parameter with the ARROW keys.
Press the CAL key to change a parameter value. The selected parameter will
start to blink.
Press the RANGE key to toggle between the displayed parameters.
Press the ARROWkeys to increase or decrease the displayed value.
Press the CFM key to save the modified value or the CAL key to cancel.
Press the ARROW keys to select the next/previous parameter.
CALIBRATION ALARM TIME OUT CHANGE
Press the CAL key when the calibration time out is displayed. Calibration time
out (OFF=disabled or 1 to 7 days) will begin blinking.
Press the ARROWkeys to change the calibration time out value.
Press the CFM key to save the modified calibration time out value or press the
CAL key to cancel without saving the calibration time out.
INSTRUMENT ID PARAMETER CHANGE
Press the CAL key when the instrument ID is displayed. The instrument ID
(0000 to 9999) will begin blinking.
SETUP