6
2
Mode-
Selects display mode. Pressing this key changes
the
display
sequentially
to
display
pH-AUTOLOCK,
mV
(RmV)-AUTOLOCK,
ION-AUTOLOCK, pH , mV (RmV), ion, Recall,
Delete One and Delete ALL. The calibration
values will not be affected by changing the display
modes.
In the calibration mode, press
“Mode”
key to exit
calibration mode.
In “Recall” and “Delete” modes, press
“Mode”
key
to exit “Recall” and “Delete” modes respectively.
3
Set/Clear-
In the measure mode, when the
“Set/Clear”
key
is pressed for 5 seconds, all segments of the LCD
will be on. The meter clears all calibration values
stored in internal memory.
In the pH mode, press the
“Set/Clear”
key to
enter the buffer set selection screen.
In the ion mode, press the
“Set/Clear”
key to
enter the calibration point selection mode.
4
Power/BLE (Bluetooth)-
Press and hold this key for 2 seconds to power on
and shut off the meter.
In the measure mode, press this key to turn
Bluetooth on or off.
5
M
ea.
E
ff
.
S
tand
S
lope
M
ode
C
lear
Mea./Eff.-
This key is used to bring the unit out of the
AUTOLOCK condition when operating in the
pH-AUTOLOCK, mV (RmV)-AUTOLOCK or
ion-AUTOLOCK mode.
In the pH or ion measure mode, press and hold
this key for 5 seconds, the LCD will display the
efficiency of the electrode and the offset value.
In the ORP measure mode, press and hold this
key for 5 seconds, the LCD will display the offset
value of the electrode.
6
M
ea.
E
ff
.
S
tand
S
lope
M
ode
C
lear
M
ea.
E
ff
.
S
tand
S
lope
M
ode
C
lear
Up & Down-
In the pH/ORP/ION measure mode, these two
keys are used to manually enter the temperature
values. They have no effect on the unit when
operating in ATC mode.
In the ORP calibration mode, these two keys are
used to adjust the RmV display value.
In the “Set” mode, these two keys are used to
choose the corresponding settings.
In the “Recall” mode, view saved data and data
storage site number by pressing these keys.
In the “Delete One” mode, view to be deleted data
and data site numbers by pressing these keys.
