Mode 4 Reply Decoder Tests

Control settings

Test procedure

Performance Standard

Equipment under test

Test equipment

Step

a. 1.65 sec maximum.

a. Continually press, with slight pauses,

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transponder test set PUSH-TO

TEST switch, while rotating

A N / A P M - 2 7 0 ( V ) SPACING

PULSE 2 control clockwise until a

just reject condition is obtained

then counterclockwise for an accept

condition. Note spacing between

first and second pulses.

b. 1.35 sec maximum.

b. Repeat a above, except turn SPAC-

ING PULSE 2 control counter-

clcokwise for REJECT and then

clocwise for ACCEPT.

c. 3.45 se minimum, 3.75 sec

C. Repeat a and b above, except operate

maximum.

A N / A P M - 2 7 0 ( V ) SPACING

PULSE 3 control.