Yokogawa PH72 Personal pH/ORP Meter - Manual (Page 46)

IM 12B03D02-01E
5-11
5. Keypad and Display Functions
(8) Set Auto Power Off time (A.oFF) panel
Used to set the automatic power off time. The meter turns off power automatically if no
key is pressed during this preset time. The time range is from 1 to 120 minutes. If 0 is
set, the Auto Power Off function will be disabled. Use the meter taking care to conserve
the batteries.
F050308.EPS
F/ENT
to set
to confirm F/ENT
(9) Set beep on/off (bZ.o) panel
The beep sound on key press can be enabled/disabled in this panel. Use keys to
select on or off and press F/ENT key to confirm. Note that this beep setting does not
affect the alarm sounding (See Item (7)).
F050309.EPS
F/ENT
to turn ON (enable). F/ENT
to turn OFF (disable). F/ENT
(10) Standard solution setting (Std) panel
Used to select the type of standard solutions: NIST or US. The factory default is NIST.
When using standard solutions prepared in accordance with the Japanese standards, use
the meter with the factory default of NIST. Select US only when using standard solutions
prepared in accordance with the U.S. standards. (Refer to Chapter 4, “Calibration.”)
F050310.EPS
to toggle
F/ENT
to confirm F/ENT