User`s manual

Chapter 5 - Initializing the GP
GP-477R/577R Series User's Manual
5-12
CONTRAST ADJUSTMENT (Only for GP-577RS)
When this option is set ON, CONTRAST ADJUSTMENTs can be made
through touch input.
Be sure to press the GP corners in the order shown. If only
corner (2) is pressed OFFLINE mode will start.
While pressing the upper right hand corner (1) of the screen, press the upper
left corner (2) to enter CONTRAST ADJUSTMENT mode. Press the desired
setting and the screen's contrast will change accordingly.
• To exit CONTRAST ADJUSTMENT mode, press anywhere outside the
contrast option bar.
• CONTRAST ADJUSTMENT mode cannot be entered while waiting for GP
to start up.
• CONTRAST ADJUSTMENTs can be made even in the middle of RUN
mode (PLC<—>GP communication).
BRIGHTNESS ADJUSTMENT
When set to ON, BRIGHTNESS ADJUSTMENTs can be accomplished through
touch input.
Press the bottom left corner (2) of the screen while holding down the bottom
right corner (1) to enter BRIGHTNESS ADJUSTMENT mode. Touch the left-
side of the bar to brighten the display; touch the right-side of the bar to dim
the display.
The GP477R series unit has two levels of adjustment, and the GP-577R
series unit has 4 levels.
With GP-477R
With GP-577R
Note:
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Important