4
DISPLAY & KEYS FUNCTIONS
A. Display
6.86 4.00 9.18 7.00 4.01 10.01
WAIT
HOLD
pH
mV
%
ATC
STAND
SLOPE
AUTO
MAN
°C
BAT
EFF
Figure 2: Active LCD screen
1.
WAIT-
This will be displayed when the
unit is still waiting for a stable
reading or end point sensing.
6.
HOLD-
This will indicate that the
reading is frozen during
AUTOLOCK mode.
2.
BAT-
Low battery indicator.
7.
EFF(%)-
This will be displayed if the
user is viewing the efficiency
of the electrode. It is
recommended to use a new
electrode when the efficiency
value is over than 75%.
3.
ATC/MAN-
ATC indicator will be displayed
if a temperature probe is
connected otherwise the MAN
indicator will be displayed.
8.
pH/mV-
Unit and mode indicators.
4.
STAND/SLOPE-
This indicator will flash if the
STAND or SLOPE is not yet
calibrated. This indicator will
remain lit-up if the STAND or
SLOPE has been calibrated
respectively.
9. Main display for pH, mV
and probe efficiency values
5.
AUTO-
AUTOLOCK mode indicator.
10. Temperature and unit
display
