What the main settings do, in the same order as the app
Open Settings with the gear that appears when you move the mouse. The Search box at the top finds any setting by name, and the menu next to it sets the language of Settings and of the board.
Clock
Setting
What it does
24-hour clock
Shows 13:00 instead of 1 PM. Key H.
Devanagari digits
Shows १२:३० instead of 12:30. Appears only when the language is Hindi.
Seconds
Adds the seconds to the clock. Key S.
Separator
A gap, a blinking colon or a steady colon between the hours and minutes.
Share anonymous usage statistics
Which features are used, and any errors. No personal data. See Privacy.
Reset all settings
Puts every setting back to how it came, and deletes the phrases and reminders you wrote. It asks first.
Board
Setting
What it does
Show
Clock and board taking turns, Clock only, or Board only.
The color of Settings and the library: Follow the board, Dark or Light.
Brightness
From 20 to 100 percent. Keys ↑ and ↓.
Font
The typeface of the cards, from the ones on your computer.
Dim when idle
Dims the clock after 10 minutes without activity.
Protect the screen
Moves the picture slightly over time to help prevent burn-in.
Keep the screen awake
Keeps the computer awake and the screen on while the clock is on screen. On from the start on a computer; on iPhone and iPad it starts off. See Keep the screen awake.
Prank remote
Shown only while a theme with a scare is on. See The prank remote.