automatic time base selection (internal or net-frequency controlled 50/60Hz)
internal time base with fine-tuning adjustment
select 12h- or 24h-mode for the time display
equipped with backup battery (3 x AA) in case of power failure
clock still displays the time in case of power failure
Clock will be in 12 Hour format as standard, to change to 24 Hour format..
- Remove power and batteries first.
- Push and hold the button while apply the power supply (adapter). 24 h mode is now activated.
- But the batteries back if nessesary.