9
1.
Temperature probe socket
2.
Liquid Crystal Display (LCD)
3.
ON/OFF key, to turn the meter ON and OFF
4.
HOLD/CLR key, to freeze reading on display and
store it in the instrument memory, or to clear cali-
bration
5.
CFM/SETUP key, to confirm calibration or enter
setup mode
6.
MRCL key, to recall stored value
7.
Up & Down arrow keys, for manual temperature
setting, entering menu parameters or changing
buffer value
8.
CAL key, to enter/exit calibration mode
9.
RANGE key, to select pH or mV reading
10. Secondary display
11.
Primary display
12. BNC connector for pH or ORP electrodes
28
TEMPERATURE COMPENSATION MODES:
• MTC: manual compensation
• ATC: automatic compensation
BATTERY SYMBOL blinking: low battery condition.
Batteries should be replaced soon.
CALIBRATION MESSAGES:
• NOT READY blinking: buffer has been recognized,
but reading is not stable
• READY on: buffer has been recognized and reading
is stable
• WRONG BUFFER and WRONG ELECTRODE
blinking alternatively: wrong buffer and electrode not
recognized
