A320 GMT 4200 Electronic Clock

GMT 4200 Air Precision Electronic Clock

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The clock requires two 28 VDC supply. 5 volts required for the backlight. An interface solution with Flight Simulator X / Prepar3D / Jeehell FMGS is possible with an interface card available from Cockpit Concept.

Electronic Clock Pinouts

Clock Standby Supply Y (28 VDC), c (ground)
Clock Normal Supply V (28 VDC), D (ground)
INT LT/ANN LT Test J
Integral Light K (5VAC), L (ground)

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