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Repeatedly press the function key until the desired display is reached.
Release the key and press again for more than 2 second until you see
“Lock”, release the key; the information remains on the display. To
change the display again, please press the key as indicated in above
section 3. Change display information.
5. LCD backlight control: To save power, the LCD display’s backlight
automatically turns off after 10 seconds. To enable it, press the
“Function” key again.
6. Contrast control: A natural phenomenon of LCD displays is the
background color is darker at higher temperatures. At higher
temperatures, the characters may not be easily identified. In this case,
the adjust the contrast as follows:
a. Press the “Function” key repeatedly until
“Contrast” shows in the display.
Contrast
b. Hold the “Function” key down for more
than 2 seconds, until display shows “Set
contrast” and a bar graph on the right.
Set Contrast
c. Press the “Function” key repeatedly until
the display’s contrast is acceptable.
d. Release the key for more than 10 seconds,
the display will show “Pac =xxxx.xW”.
e. Setting completed.
Set Contrast
Set Contrast
Pac =xxxx.xW
Lighter
Darker
Done
Contrast setup
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