Xylem HandyLab 680 - Manual (Page 36)

Operation HandyLab 680
36 ba77041e01 03/2014
4.4.2 Data storage
This menu contains all functions to display, edit and erase stored mea-
sured values.
Note
Detailed information on the storage functions of the HandyLab 680 is
given in section 4.11.
4.4.3 Automatic Stability control
The automatic Stability control (AutoRead) function continuously
checks the stability of the measurement signal. The stability has a con-
siderable impact on the reproducibility of measured values.
You can activate or switch off the automatic Stability control function
(see section 4.4).
The measured parameter flashes on the display
 as soon as the measured value is outside the stability range
 when you switch over between the measured parameters with .
 when the automatic Stability control is switched off.
4.4.4 Automatic switch-off
The instrument has an automatic switchoff function in order to save the
batteries (see section 4.4.1). The automatic switchoff switches off the
measuring instrument if no key is pressed for an adjustable period.
The automatic switchoff is not active
 if the power pack is connected
 if a USB-B cable is connected
 if the Automatic data storage function is active, or with automatic
data transmission
4.4.5 Display illumination
The meter automatically switches the display illumination to energy
saving mode if no key is pressed for 20 seconds.
The illumination is switched on with the next keystroke again.
You can also generally switch on the display illumination (see section
4.4.1).