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INSTRUMENT DESCRIPTION
1) RANGE/GLP key
2) CAL CHECK key
3) ZERO/CFM key
4) READ /TIMER key
5) ON/OFF key
6) Liquid Crystal Display (LCD)
7) Cuvette alignment indicator
8) Cuvette holder
FUNCTIONAL DESCRIPTION
OPERATING MODES
• Measurement mode: default operation mode, enables both validation and measurement.
• Calibration mode: may be entered by keeping CAL CHECK pressed for three seconds (the
“CAL” tag appears), it enables calibration of the instrument.
• GLP mode: may be entered by pressing RANGE/GLP pressed for three seconds (“GLP”
appears), it enables consulting of user calibration date or restore factory calibration.
KEYPAD DESCRIPTION
• ON/OFF: to turn the meter on and off.
• ZERO/CFM: to zero the meter prior to measurement, to confirm edited values or to confirm
factory calibration restore.
• READ /TIMER: this is a multi‑functional key. In measurement mode, press to make a
measurement, or press and hold for three seconds to start a pre‑programmed countdown prior
to measurement. In GLP mode press to view the next screen.
• CAL CHECK: this is a bi‑functional key. Just press to perform the validation of the meter, or
press and hold for three seconds to enter calibration mode.
• RANGE/GLP : this is a bi‑functional key. Just press to change the parameter. Press and
hold for three seconds to enter GLP mode. In calibration mode press to edit the date and time.
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