Xylem handylab pH LF 12 - Manual (Page 17)

handylab pH/LF 12 Operation
17 ba75370e03 11/2009
4 Operation
4.1 Switching on the measuring instrument
Measuring mode
when switching on
Note
The measuring instrument has an energy saving feature to avoid unneces-
sary battery depletion. The energy saving feature switches the measuring in-
strument off if no key has been pressed for an hour.
The energy saving feature is not active
z if the power is supplied by the plug-in power supply,
z if the AutoStore function is active,
z if the communication cable and a PC with a running communication pro-
gram are connected,
z if the printer cable is connected (for external printers).
1 Press the key.
The display test appears briefly on the display.
After this, the measuring instrument automatically switches to
the measuring mode.
Connected sensor Measuring mode
No sensor or pH/ORP electrode pH or ORP measurement (de-
pending on the last setting)
Conductivity measuring cell Last selected measuring mode
2 sensors Last selected measuring mode