User`s manual

ZEBEX INDUSTRIES INC.
Back Light Function
This allows you to set back light on/off. You will see an increase in
battery life if you decide to switch off the back light.
Fig 18
In Fig 18 press or to switch ON or OFF the LCD back light. After
confirmed press to leave the screen.
LCD Contrast Function
This allows you to set the LCD Contrast Ratio. (Initial value=45 where
minimum value=40, maximum value=60)
Fig 19
In Fig 19 LCD contrast is shown with the default set to 45. Press
or
to adjust the contrast, after confirmed press to leave the screen.
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Subject Version DatePage
Z-2121 series User’s Manual 4.00 2012/7/20 29 / 50