Hanna Instruments HI 9141 - Manual (Page 9)

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To select the hour, press the UP or DOWN
keys (24 hour clock).
Press CAL and the minutes will start blinking.
Use UP or DOWN keys to set the minutes.
Press the CAL key to confirm the selected
time and printing interval.
Press the FUNCTION key to leave the time
setting mode.
Press the FUNCTION key again to display
D.O. readings.
Selected time, date and printing interval are
now stored in the memory even when the
display is switched off.
TO VIEW DATE / TIME / TEMPERATURE
To view the temperature, press FUNCTION.
To view the date, press the FUNCTION key
to display "F1" and then press CAL.
To view the time, press the FUNCTION key
until the display shows "F2" and then press
CAL. This also displays the selected prinitng
interval.
Press the FUNCTION key until the display
returns to the D.O. readings.
TIME
INTV
TIME
INTV
CAL
CAL
UP DOWN
Set the month with the UP or DOWN keys.
Press CAL, and the day will start blinking.
Use the UP or DOWN keys to set the day.
Press CAL to confirm the selected date, then
FUNCTION to leave the date setting mode.
Press FUNCTION key again to display "F2".
Press CAL and the display will show the
time and printing interval setting.
Press the CAL key again and the printing
interval will start blinking.
Any interval can be selected from among 1,
2, 5, 10, 15, 30, 60, 120 or 180 minutes by
using the UP and DOWN keys.
Set the desired interval by pressing the CAL
key once and the hour starts blinking.
UP DOWN
DATE
TIME
INTV
TIME
INTV
UP DOWN
CAL FUNCTION
FUNCTION
CAL
CAL
CAL
UP DOWN