4. Advanced Operation
Operation procedure
1. Press the MENU key to move to the root menu, then select [System]. The system setting
window opens.
2. Use the [Beep] item to turn the beep sound on or off.
4.26
Changing the Background Color and the Contrast of the
Screen
You can change the background color and the contrast of the liquid crystal display (LCD) screen on
the panel. As the background color, you can select the blue tone or the white tone. You can also
adjust the contrast in 100 steps. For the setting specifications, see 11.24.
192
PROGRAMMABLE AC POWER SOURCE