4.2
Key board function
Keyboard
Name
Function
1.
pH automatic temperature compensation measurement
mode
；
2.
Ph measurement status to check temperature
compensation value
Return
3.
Return or skip the revised item
4.
Parameter setting status circulate of thousand hundred
ten one bit symbol
Select
5.
pH measurement mode long time press this key
，
enter
into pH manual mV calibration interface
6.
Processing 0~9 setting under parameters setting status.
7.
Long time press this key under pH measurement mode,
enter into standard buffer solution calibration interface
Add
8.
Check mV value under pH measurement status
9.
enter into function setting menu
；
Enter
10.
confirm the modification item and save
4.3 Setting interface
Under main measurement interface
，
press“ ”key enter into parameter setting
order Name
Function
“pH” or “ORP” flashing
，
select “Add” key, processing pH
、
ORP function selection
，
press “enter” to save
，
enter into
next parameter setting
。
1 Function
selection
4mAflashing
，
operate “select” & “Add” key set 4mA
4mA corresponding pH
setting
2
corresponding pH value
；
press“ enter” key save
，
enter into
next parameter setting
（
the same below
）
20mA corresponding
pH setting
20mAflashing
，
set 20mA corresponding pH value
；
confirm
3
and save
，
enter into next parameter setting
High limit alarm pH
setting
Hi flashing
，
setting high limit alarm pH value
；
confirm and
4
save
，
enter into next parameter setting
Low limit alarm pH
setting
Lo flashing
，
setting low limit alarm pH value
；
confirm and
5
save
，
enter into next parameter setting
Hi & Lo flashing
，
setting hysteresis pH value
；
confirm and
Alarm return back lash
pH setting
6
save
，
enter into next parameter setting
（
note
：
min value of
hysteresis setting 0.1pH or 10mV
）
pH &
℃
flashing
，
operate “Add” key, processing manual
temp. compensation
（
H25.0
）
and automatic
compensation(A25.0) selection
，
confirm and save
，
return to
measuring status.
7 Temperature
setting
NOTE
：
This item setting is factory default setting
，
no
need to change
Note
：
ORP function setting the same as 1.2.3.4.5.6
7
