Yokogawa PH72 Personal pH/ORP Meter - Manual (Page 38)

IM 12B03D02-01E
5-3
5. Keypad and Display Functions
F/ENT : Entry key
Pressing this key during measurement moves the display to function mode. (Refer to
Section 5.3, “Function Modes.”) This key is also used to confirm data entry.
Beep sound
When a key is pressed, the meter acknowledges it using a beep sound.
(1) One beep
The meter will beep once confirming a valid key entry.
(2) Three beeps
The meter will beep three times if the key entry is invalid.
To disable the beep, refer to Section 5.3 (9), “Set beep on/off (bZ.o) panel.” Note that
the volume of the beep sound is not adjustable.