Xylem MULTI 3500i HANDHELD MULTIPARAMETER METERS - Manual (Page 15)

Multi 3500i Operation
13
4 Operation
4.1 Switching on the measuring instrument
Switching on Press the key.
The measured value display appears.
Switching off Press the key.
Automatic switchoff The instrument has an automatic switchoff function in order to save the
batteries (see section 4.3.3). The automatic switchoff switches off the
measuring instrument if no key is pressed for an adjustable period.
The automatic switchoff is not active
z if the power is supplied by the plug-in power supply unit,
z if the Automatic data storage function is active, or with automatic
data transmission
z if the communication cable and a PC with a running communication
program are connected,
z if the printer cable is connected (for external printers).
Display illumination
with battery operation
During battery operation, the measuring instrument 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.
pH
6.949
25.0
°C