Time setting The professional HANDI® clocks can display the same information, by synchronizing through a master clock or a time server. On pulse version, time setting is manual. Key features • Fast but approximate reading of time. • Flat aluminium case. • Acrylic front cover (Polymethyl methacrylate). • Wall mounting or ceiling mounting with bracket or flag. • Time setting by synchronization source. • Autonomy of five years provided by a lithium battery and 10 years optional (except version Impulse). • Supervision alarm through FSK protocol for AFNOR version and through ASCII for the ASCII version. Message of alarms: wrong hand position, no synchronization… • LED lightning.