KT-990D
14
Auto tuning system operation flowchart
Numeric
key,
A/B
key or FM key
pressed
ON?
Rotory
encoder
rotated?
ATS
mode?
RF : DISTANCE
IF : NARROW
125ms(Normal)
or
500ms{Band
edge)
POWER
ON
RESRT?
Yes
ATS mode
3sec
inversion
Yes
32msec
Check
SD
{pin 20).
requency
scanning?
RF : DISTANCE
IF : NARROW
512msec
RF : DIRECT
IF : NARROW
Muting
cancel
512msec
RF : DISTANCE
RF : DIRECT
512msec
? NARROW
IF
512msec