Blue Light Filter (Galaxy A40) - Samsung Galaxy A20e User Manual

Settings
• A ccidental touch protection: Set the device to prevent the screen from detecting touch
input when it is in a dark place, such as a pocket or bag.
• T ouch sensitivity: Increase the touch sensitivity of the screen for use with screen
protectors.
• S creensaver: Set the device to launch a screensaver when the device is charging. Refer to
Screensaver for more information.

Blue light filter (Galaxy A40)

Reduce eye strain by limiting the amount of blue light emitted by the screen.
While you are watching HDR videos from HDR-exclusive video services, the blue light filter
may not be applied.
On the Settings screen, tap Display → Blue light filter, and then tap the Turn on now
1
switch to activate it.
2
Drag the adjustment bar to adjust the filter's opacity.
3
To set the schedule to apply the blue light filter to the screen, tap the Turn on as
scheduled switch to activate it and select an option.
• S unset to sunrise: Set the device to apply the blue light filter at night and turn it off in
the morning based on your current location.
• C ustom schedule: Set a specific time to apply the blue light filter.
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