Furuno FS-1503 - Matching Flow Chart

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