Instruction Manual Mi 190 DO Bench Meter
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• Press CAL. The “WAIT” tag will blink on the LCD until the reading is
stable.
• When the reading is stable, “READY” & “ACCEPT” tags start blinking. Press ACCEPT to
confirm the “0.0%” D.O. calibration.
• If the reading is within the limits (±15% f.s.), the meter stores the value (and adjusts the zero
point).
• Press CAL. The instrument will return to measurement mode and will memorize the
zero calibration data. For a two-point calibration do not press CAL and follow the
procedure below.
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• The salinity factor
• The altitude factor
• The “dEL” message on the primary LCD and the record number on the secondary
LCD along with “ACCEPT” tag blinking.
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N o t e s :
•If one of the arrow keys is pressed while “dEL” message is displayed, the next/
previous record number will be selected.
•If the SETUP key is pressed, the secondary LCD will toggle between the record number
and “ALL” message.
•Press the ACCEPT key to delete the selected or all records.
•If “dEL ALL” option was selected, all records for the selected range are deleted and the
instrument returns to measurement mode.
•After deleting a record, the “nuLL” message is displayed on the LCD for the selected
record.
Press the MR key to leave RECALL mode at any time.
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