VWR PH-130 - Automatic Switch-off Function

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LANGUAGE - choosing the language: English, German, French,
Italian, Spanish, Portugese;
SOUND - turning the buttons sound on / off;
BRIGHTNESS - setting the display‘s brightness;
AUTO OFF - the time of non-use until the meter turns off;
TIME SETUP - after pressing the TIME SETUP window the screen will
appear (Pic. 12B) to turn the time displaying on / off,
chosse the 12 / 24 clock mode and set the current time;
DATE SETUP - after pressing the DATE SETUP a screen will appear
(Pic. 12C), where the date display may be turned on/off
and the current date may be set;
To choose the language, set sound or brightness, press the chosen window,
a table will appear to choose the value.
To enter a numerical value, press the chosen window, a numerical keyboard
will appear to enter the value and confirm with the button.
17.3.1. Automatic switch-off
Automatic switch-off mode prolongs an operating time with rechargeable
batteries and prevents from discharging in case when the meter has been
unintentionally left in operation.
The automatic switch-off mode is active only while working with the
rechargeable batteries.
The function is deactivated for calibration and work with the power adapter.
Entering a zero value for the AUTO OFF parameter deactivates this mode
entirely.