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THe ARC Digatron Tach/CHT/EGT Monitor Tops its competition with these Features:
Engine RPM (Tachometer) and up to two temperatures.
Maximum readings of all functions. Minimum readings of RPM.
Large, bright, easy-to-read displays.
Times displayed to the 100th of a second.
USA ''Patriotic'' cover.
Automatic power on and off feature.
Backlight for night viewing.
(3) Highly visible red L.E.D. warning lights
Amundsen Research Digatron Tach/CHT/EGT Monitor Features: Custom instrument configuration, charts, and log book. USB and serial computer input.