8
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8
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1
KEYPAD DESCRIPTION
•
ON/OFF
: to turn the meter on and off.
•
ZERO/CFM
: this is a bi-functional key. Just press to zero the meter prior to measurement,
or confirm edited values. In
calibration mode press 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.
•
GLP
/
:
this is a bi-functional key. Just press to enter
GLP mode. In calibration mode press
to edit the date and time.
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
GLP/
(
“GLP”
appears), it enables consulting of
user calibration date or restore factory calibration.
DISPLAY ELEMENTS DESCRIPTION
1) The measuring scheme (lamp, cuvette, detector), appears during different phases of zero or
reading measurement
2) Error messages and warnings
3) The battery icon indicates the charge state of the battery
4) The hourglass appears when an internal check is in progress
5) Status messages
6) The chronometer appears when the reaction timer is running
7) The month, day and date icons appear when a date is displayed
8) Four digit main display
9) Measuring units
10) Four digit secondary display