User Guide

18
5.6.4 The Lo HYS Menu
1. Enter this menu by pressing
the MODE key to the “SEt”
display if you are in the
measurement mode.
2. Press ENTER key. If the
password has been set earlier,
key in the password using the
method described in section
4.1.
3. Press ENTER once to confirm.
After you set the correct
password, you see the “CAL”
and “PH” display blinks
alternatively. Press ▼ key five
times, the display shows “Lo”
“HYS” blinking alternately.
1. Press ENTER key to access
the Lo HYS menu and the
display shows the last Lo HYS
value. Use ▲ and ▼ keys to
change the value of the Lo
HYS point.
2. Press ENTER to confirm the
value of the Lo HYS. Press
MODE key to exit to the
measurement mode. You can
press MODE key (as an
ESCAPE key) to revert to the
measurement value if ENTER
is not pressed; the set value is
not stored into memory.
IMPORTANT : The Lo SET + ½ Lo HYS should be less
than Hi SET - ½ Hi HYS i.e. Hi SET and Lo SET value (in
consideration of the hysteresis band) can never overlap. Lo
HYS and Hi HYS can be set independent of each other; this
allows non-symmetrical hysteresis option.
SETUP
MODE
ENTE
R
Lo
SETUP
MODE
ENTE
R
0.2
SETUP
MODE
ENTE
R
HYS
NOTE : The maximum
value of Hysteresis is
0.2 pH to 2.0 pH or 20
mV to 200 mV. The Lo
HYS hysteresis is
spread equally on
either side of the Lo
SET point.