pH 3310 Operation
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4 Operation
4.1 Switching on the meter
Switching on Press the <On/Off> key.
The meter performs a self-test.
The display shows the manufacturer's logo while the self-test is being
performed.
The measured value display appears.
Switching off Press the <On/Off> key.
Automatic switch-off The instrument has an automatic switch-off function in order to save the
batteries (see section 4.3.1). The automatic switch-off switches off the
meter if no key is pressed for an adjustable period.
The automatic switch-off is not active
z if the communication cable is connected
z if the Autom. saving function is active, or with automatic data
transmission
Display illumination The meter automatically switches off the display illumination if no key
has been pressed for 15 seconds. The illumination is switched on with
the next keystroke again.
You can also generally switch the display illumination on or off (see
section 4.3.1).