Matching Flow Chart - Furuno FS-1503 Service Manual

Matching Flow Chart

Bypass
K3 to K12 ON
Keeping relays on
Outputting TUNE END
and TUNE ERROR
"L" BUSY
Start
K1, K2
Detector ON
(Freq./VSWR/Phase detection)
Vf Read
NO
Checking RF Input
Vf > Data obtained
YES
SWR Calculation
YES
SWR < 1.5
NO
Freq. Read
Checking RF Input Frequency
RAM DATA in
us ?
NO
See next page.
Matching operation
Detector OFF
Sleep mode
Figure 2-26 Matching Flow Chart
YES
DATA SWR
Retrieve Calculation
2-31
YES
SWR < 1.5
NO
Keeping relays off
Outputting TUNE END
"H" BUSY