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This mode is used to adjust the contrast of the LCD display. Contrast mode can
be entered from text entry mode or Auto format mode.
TO CHANGE THE CONTRAST:
(1) Hold down the CODE key and press the CONTRAST key.
(2) Press the 4 and 3 keys to adjust the contrast.
(3) Press the RETURN key.
+Press the SPACE key to reset the contrast to its default setting.