User Manual

7
8 Parameter Setting
8.1 Setup Menu
Symbol
Contents
Parameter
Factory Default
P1
Select pH buffer solution
USA – NIST
USA
P2
Low value measurement alarm setting
0 to 14.00pH
0
P3
High value measurement alarm setting
0 to 14.00pH
14.00
P4
Select automatic lock
Off – On
Off
P5
Select backlight
Off - 1 - On
1
P6
Select temperature unit
℃ - ℉
℉
P7
Restore to factory default
No – Yes
No
8.2 Parameter Setup
When turned off, long press to enter parameter settings → Short press to switch P1-P2-P3
…P7 → Short press to select parameter (selected parameter starts flickering) → Short press
to change parameter → Short press to confirm the change → Long press to go back to
measurement mode.
8.3 Parameter Setting Instruction
8.3.1 Select standard pH buffer solution (P1):
There are two options of standard buffer solutions: USA series and NIST series. Factory default is USA series,
for details see clause 5.2.
8.3.2 Alarm Function (P2&P3)
Examples:
■ Alarm triggered when measurement ≤ 3.20 pH:
Preset lowest value (P2) = 3.20 pH, highest value (P3) = 14.00 pH, when measured value ≤ 3.20
pH (stable displays on screen); screen turns red.
■ Alarm triggered when measurement ≥ 8.60 pH:
Preset highest value (P3) = 8.60 pH, lowest value (P2) = 0.00 pH, when measured value ≥ 8.60 pH
(stable displays on screen); screen turns red.
■ Alarm triggered when measurement ≤ 3.20 pH or ≥ 8.60 pH
Preset lowest value (P2) = 3.20 pH, highest value (P3) = 8.60 pH, when measured value is lower
than 3.20 pH or higher than 8.60 pH (stable displays on screen), screen turns red.