Lightness and Contrast adjustments applied to keypads (HMI)
Question:
How can the contrast and the brightness be applied to keypads (HMI)?
Answer:
EPM-H310 and EPM-H315:
Adjustment of the brightness is not possible.
The contrast can be adjusted via the adjusting screw 'LCD adj.' at the back.
EPM-H410:
Adjustment of the brightness is not possible.
The contrast can be adjusted via the setup page of the keypad.
The setup page can be called either by pressing the SHIFT key twice or via a function task of the keypad. When assigning the function task the following adjustments are necessary:
Function task: Internal command; Function parameter 1: PROJEKT - Setup page
EPM-H510:
The brightness can be adjusted via the adjustment screw 'LCD brightness adj.' at the back.
The contrast can be adjusted via the setup page of the keypad. Within the setup page the touch key 'PROG' is to be activated. After activation of the field 'Set Contrast :' the contrast can be adjusted by the help of the arrow keys.
The setup page can be called by activation of the display's corners standing diagonally to each other (top right - down left, down right - top left). The first corner to be touched is supposed to contain no selectable field.
The setup page can also be called via a touch key of the keypad. When assigning the touch key the following adjustments are necessary:
Function task: Internal command; Function parameter 1: PROJEKT - Setup page
EPM-H520:
Adjustment of the brightness is not possible.
Adjustment of the contrast see EPM-H510.
