Universal Remote Control HomeSet R200 User Manual page 15

R200 Owner's Manual
You can adjust the amount of time the LCD remains ON when the
remote is not in use. The time can be set independently base on
whether the remote is using battery power or connected to the
Micro USB Charger.
Selecting an item on this screen allows for the setting of each
Sleep Timer value. Once the Sleep Timers are adjusted, press the
Save button. Pressing the Go Back button reverts to the remote
control's last saved setting.