Hanna Instruments HI 255 - Manual (Page 34)

34
SPECIFIC RANGE PARAMETER
pH Range
Calibration Alarm Time-Out Set
Press CAL when the calibration time-out is displayed. Calibration time-out
(OFF or 1 to 7 days) will start blinking..
Press the ARROWkeys to change the calibration time-out value.
Press CFM to save the modified calibration time-out value.
Press CAL to escape without saving.
EC/TDS/NaCl Range
Cell Constant Parameter Set
Press CAL when the cell constant is displayed. The cell constant will start
blinking.
Press the ARROW keys to change the cell constant (0.500 to 1.700).
Press CFM to save the modified cell constant.
Press CAL to escape without saving.
Serial Communication Command Prefix Set
Press CAL when the command prefix is displayed. Command prefix (0 to 47) will
start blinking.
Press the ARROWkeys to change the command prefix.
Press CFM to save the modified command prefix value.
Press CAL to escape without saving.
Note: • See the PC interface section on page 39 for a complete explanation.
• The command prefix must be 16 if HI 92000 PC software is used.
INTV CAL