5
B. Keys
M
ea.
E
ff
.
S
tand
S
lope
M
ode
C
lear
On/Off-
Press and hold this key for 2 seconds to power on
and shut off the meter.
E
nter
M
ode
C
al
Cal-
During normal operation, this key will change the
mode from “Measure” mode to “Calibration” mode.
Clear
Mode
Cal
Enter
Mode / Clear-
In measure mode, press this key for 0 second to
sequentially display Conductivity, TDS and Salinity.
Under Conductivity, TDS and Salinity measure
mode. When the
“Mode/Clear”
key is pressed for 5
seconds, all segments of the LCD will be lit up, it
clears all calibration values stored in the internal
memory. The unit now requires new conductivity
calibration before use.
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 conductivity/TDS/salinity 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 conductivity calibration mode, these two keys
are used to adjust values in conductivity.
E
nter
M
ode
C
al
Enter-
In Calibration mode, press this key to save the
current parameter to memory.
