Key On-Engine Off (KOEO) Self-Test

The first code shown is the On Demand code, the second code is a Separator code and the third code is the Continuous code. The On Demand first digit is indicated by a pulse, then the needle drops to zero for 2 seconds, then the second digit of the code is displayed. After 6-9 seconds, the Separator code (single digit) will be displayed for 1/2 second. After 6-9 seconds, the first digit of the Continuous code will be displayed, the needle will drop to zero for 2 seconds, then the second digit of the Continuous code will display.