Hanna Instruments HI 96706C User Manual
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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 to 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