3.2.1. Keypad operations
Short press ----- <1.5 seconds; Long press ----- >1.5 seconds.
Turn on the meter: Press to turn on the meter.
Turn off the meter: In the measurement mode, press and hold for 2 seconds to turn off the meter.
Note: In the calibration mode or the parameter setup mode, pressing is invalid. Please press
key to return to the measurement mode, then press to turn off the meter.
Chart -1 Keypad operations and descriptions
● In the power-off mode, press this key to turn on the meter
● In the measurement mode, press and hold this key for 2 seconds to
turn off the meter.
● Press this key to select measurement mode:
→ → →
● In the measurement mode: long press to enter manual temperature
compensation mode, then long press or momentary press this key
to change the temperature value (only one direction).
● In the parameter setup mode, press this key to change the serial
number of the main menu and the submenu (only one direction)
● In the submenu mode, press this key to change parameters and
setup (only one direction)
● In the measurement mode, press this key to enter in the calibration
mode
● In the calibration mode or the parameter setup and auto lock-up
(HOLD) mode, press this key to return to the measurement mode
● In the measurement mode, press this key to enter in the parameter
setup main menu
● In the calibration mode, press this key to make calibration
● In the parameter setup mode, press this key to select programs
3.3 Meter socket
Chart - 2 Sockets for Meters
SX823-B pH/Conductivity
meter
●BNC socket (right) — connect pH
electrode or ORP electrode,
●RCA socket (middle) — connect
temperature probe
●Eight-pin socket (left) — connect