4. FUNCTION SELECTION
1) Turn on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) momentarily.
*
Pressing the " Power Button " ( 3-2, Fig. 1 )
continuously and > 2 seconds again will turn off the
meter.
2) The meter can select 7 kind Function as :
a. pH measurement
b. mV ( ORP ) measurement
c. Dissolved Oxygen measurement
d. Air Oxygen measurement
e.
g. Salt measurement
Use the " Function Button " ( 3-6, Fig. 1 ) Key to select intent test
function. Display will show the following text in sequence :
PH
pH measurement
OrP
mV ( ORP ) measurement
do
Dissolved Oxygen measurement
O2 Air Oxygen measurement
Cd
SALt Salt measurement
Until the Display show the desired mode the meter will
execute this Function with default.
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