JENCO 6311, Operation Manual

Page: 12 / 36

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4. ORP-RmV - a measurement of relative ORP mV. The OFFSET
value at the ORP CALIBRATION page will be added to the ORP
absolute value to display the ORP relative value.
Pressing [ MODE ] in MAIN display mode will cycle the display
from the four modes above.
B
. CALIBRATION/SETTING MODE
Pressing the [
OK ] key at the CAL
mode will bring-up the PASSWORD
CHECK display if the unit is
LOCKED. If the unit is not locked,
the unit will skip the PASSWORD
CHECK screen and go directly to
CALIBRATION SELECT screen.
a. PASSWORD CHECK screen.
You will only see this screen if the
unit is LOCKED. To change any
settings or calibration you need to
unlock the system to remove the
“
LOCK ” message. You can use [ ¿
],
[ À ] , [
X
] or [ OK ] keys to enter the
correct 4-digit number on the
number input. The relays and analog out will be FROZEN (control
relays and current output will not be updated even if the input is
changing). The user can opt to view all the screens of
CALIBRATION/SETTING mode even if the system is LOCKED,
by just pressing the [MODE] key for about two seconds on this
screen. If the unit is LOCKED when going to CALIBRATION
/SETTING mode , viewing the settings will not affect the function of
the relays and the current output.