IFR Systems FM/AM-1200S/A Operation Manual page 62

E n t e r d e s i r e d s t e p f r e q u e n c y .
ENTER
D e p r e s s K e y .
Do n o t d e p r e s s
I.
o r
C
K e y w h i l e p r o g r a m m i n g
STEP f u n c t i o n .