RXB-BA-e-1012189 Display background illuminationMethod 1:Adjustment FunctionAuto back-light -Press key, [ CEnTR] appears onthe weight display. Press the keyduring this display.This display will appearbacklit for weight value> 6 d or after key waspressed.Display disappears after 5sec when display movestowards zero.Backlight off -Press key, [ CEnTR] appears onthe weight display. Press the keyduring this display.Backlight switched off tosave battery.The set mode will remain after the balance was turned off.Method 2:Press -key for 2 sec, acoustic signal sounds 3 times. This procedure can be usedto switch between auto backlight and backlight off.