Hanna Instruments HI 83749 User Manual
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8) ON/OFF: this is a bi-funcional key. Just press to turn the instrument on or to activate the back
light. Hold the key for 3 seconds to turn the instrument off.
9) GLP : press to enter/exit GLP (Good Laboratory Practice) feature. In Setup this key is used to
increase the set values. In Log Recall it is used to select a new record (scroll up).
10) AVG : press to select the AVG (Signal Average Mode) on and off. In Setup it is used to
decrease the set values. In Log Recall it is used to select a previous record (scroll down).
INSTRUMENT DESCRIPTION
FUNCTIONAL DESCRIPTION
1) Cuvet Lid.
2) Cuvet Holder.
3) Backlit Liquid Crystal Display (LCD).
4) Splash proof keypad.
KEYPAD DESCRIPTION
5) Lamp connector.
6) Lamp Holder.
7) Battery Compartment.
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• Press LOG/CFM or READ to start editing the
day value. The day value will start blinking.
• Press the UP or DOWN keys to set the day value.
Note: to edit the year again, after the day was
set, press READ .
• Press LOG/CFM to save the new date. The new
date will be displayed on the LCD. Alternatively,
press CAL/RCL to exit without saving the changes.
SET THE TIME
• To set the current time, press CAL/RCL when the
“Set time” panel is displayed. The time format
is hh:mm. The hour value and “CFM” tag will
start blinking.
• Press the UP or DOWN keys to set the hour value.
• Press LOG/CFM or READ to start editing the
minutes. The minutes value will start blinking.
• Press the UP or DOWN keys to set the minutes
value.
Note: To edit the hour again, after the minutes
were edited, press READ .
• Press LOG/CFM to save the new time. The new
set time will be displayed.
Alternatively, press CAL/RCL to exit without
saving the changes.
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