Aircraft clock CM20

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DIGITAL CHRONOMETER TYPE CM20 Swiss Chrono The THOMMEN CM20 is a 2‘’ Swiss Made precision, multifunctional chronometer designed to operate under the most stringent conditions in civil and military aircraft. The CM20 is designed according to the latest civil and military avionics standards. It has a Solid state Liquid Crystal Display (LCD) technology which provides a continuous readout using negative image (white characters on black background) for excellent visibility during all operating conditions. It features a three line display with light digits on dark background. It supports the simultaneous indication of a combination of clock- and timer-function reading and has several day/night mode backlight options including NVIS A and B compatibility. The time base is supplied by a dedicated internal power reserve to provide the timekeeping function even when the aircraft power is removed. Features • 24 hour clock for UTC or Local Time (LT) • Up or down counting Elapsed Timer (ET/ETD) • Maintenance Timer (MTH) • Simultaneous display of Clock and either elapsed or flight timer readings • Flight timer (FT) with pre-settable alarm (FTA) • ETD and FTA with a common switching output for an external signaling device • Flight Timer (FT, FTA and MTH) remotely controlled by an configurable switch input • Remote setting functions via serial link (RS-232) in master and slave mode • Installer accessible installation feature settings • Installer customizable Lighting Dimming Curve for day and night mode • Lighting order options (white/white, white/red, white/green NVIS A&B) • Comprehensive Built In Test with internal maintenance and failure log