4.9.3 Salinity calibration setting (P2)
(a) In P1 mode, press key to enter P2 mode, see
picture (4-3).
(b) Immerse the DO electrode into 12.88mS/cm calibration
solution (sold separately), solution level should exceed
salinity electrode; let it stand still after stirring; then press
the key when the value is stable and smiley face icon appears. 12.9 will show
up on the screen. The calibration will be finished after several seconds, and the
meter will display a stable salinity value.
(c) Press key to enter the next parameter setting or press key to return to
measurement mode.
4.9.4 Barometric pressure setting (P3)
(a) Under mode P2, press key to enter P3 mode, the
screen displays a barometric pressure measuring value
set earlier (unit is kPa), such as 101.3 kPa, shown as
picture (4-4).
(b) Press or to adjust according to standard
barometric pressure value, and long press them to quickly change the value.
(c) Press key to enter next parameter setting or press key to confirm and
return to measurement mode.
4.9.5 Temperature unit ˚C/˚F setting (P4)
(a) Short press key in mode P3 to enter mode P4, see
picture (4-5).
(b) Press or key to choose temperature unit: ˚C
or ˚F.
(c) Press key to enter next parameter setting or press key to return to
measurement mode.
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