To Set The Display Contrast - Linx 4900 Operating Manual

Chapter 5: Changing the System Setup

5.5.7 To Set the Display Contrast

You can increase or decrease the contrast of the printer display to suit your
requirements.
To set the display contrast, at any screen: press [ctrl]+[shift] in conjunction
with the Up [ ] and Down [ ] arrow keys.
MP65492–1 115 Linx 4900 Operating Manual