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Turn the SP-910 off by navigating to Power icon and press the OK key. Alternatively,
you can turn off the SP-910 by pressing OK key for 5 seconds in any menu.
2.6 The SP-910 Auto Power Off
The SP-910 automatically turns itself off with no-key activity for a given period, except
for during a measurement. The auto power-off time can be set in SYS->System Set.
Pressing OK key will wake up the instrument, and the SP-910 will return to the original
page if it has any measurement data.
2.7 Auto LCD Power Saving
During a colorimetric method measurement, The SP-910 automatically turns LCD
backlight off with no-key activity. The auto LCD power-off time can be set in
SYS->System Set. Pressing any key will turn on the LCD backlight. Under normal
ambient lighting condition, icons and other contents shown on the LCD screen are
readable without backlight being on.