Apera Instruments SX731, Руководство пользователя

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3
About the Meter
3.1
Screen Display
① —— Parameter icon
②
—— Measurement value
③ —— Serial number and icon as measurement
to be saved and recalled and indication icon for
special states.
M+ — measurement value to be saved;
RM
— Saved data to be recalled;
④ —— Measurement unit
⑤ —— Temperature measurement value and unit
⑥ —— Measurement stabilization icon ⑦ —— Electrode calibration indication icon
⑧ —— Indication icon of low battery power; appears when the voltage is less than 2.6V, calling
attention to replace the batteries.
3.2
Keypad
The meter has 5 operation keys in total.
Short press: press time <1 seconds; Long press: press time >2 seconds
3.2.1. — Short press to power on or off.
3.2.2. — Calibration key
(a) When in measurement mode, short press to enter calibration mode.
(b) When in parameter setting mode, short press to make changes.
3.2.3. — Function key
(a) In measurement mode, short press (<1.5s) to switch between and . Long press
to enter parameter setting (P1, P2, P3…)
(b) In other measurement mode, short press this key to enter the parameter setting mode (P1, P2, P3…)
3.2.4. — Backlight and confirmation key
(a) In measurement mode, short press to turn on or off the backlight.
(b) In calibration mode or the parameter setting, press this key to make confirmation, and return to
measurement mode.
(c) When in mode, hold this key to change pH resolution: 0.01 → 0.1 pH in turn. Release key when
you confirm the selection.