User guide

8
KEYPAD DESCRIPTION
• ON/OFF: to turn the meter on and off.
• ZERO: to zero the meter prior to measurement.
• READ/TIMER: this is a bi-functional key, just press for making a measurement, or hold the
key for 3 seconds to start a pre-programmed countdown prior to measurement.
• CAL CHECK
TM
: this bi-functional key allows to perform validation of the instrument just
pressing the CAL CHECK
TM
key, or hold the key for 3 seconds to enter the calibration mode .
OPERATING MODES
•
Measurement mode: default operation mode, enables both validation and measurement.
•
Calibration mode: may be entered by keeping CAL CHECK
TM
pressed for three seconds (the
“CAL” icon appears), it enables calibration of the instrument.
DISPLAY ELEMENTS DESCRIPTION
1) four digit main display area.
2) CAL: appears when the instrument operates in the
calibration mode.
3) the Month and Day icons appear above the number of month and day when a date is
displayed.
4) the blinking “Battery” icon appears when the battery voltage is getting low.