Furuno FM-7500 User Manual

FM-8700
E5-18
FM-8700 Self test flow
PTT ON
TX Power>15W XMT POWER:NG
DUP unit:NG
END OF PTT TEST
TEST ON
TX ON without PA
T/R PLL Lock?
RX PLL Lock:NG
TX PLL Lock:NG
CH70
LOOP BACK TEST
OK?
LOOP BACK TEST
OK?
AF
LOOP BACK TEST
OK?
AF
CH70 RCVR:NG
CH70 RCVR
:NG memorized
RCVR
:NG memorized
RCVR:NG CONTROL:NG
PTT ON TEST
OK?
VHF DSC:GOOD VHF DSC:NG
XMT POWER:NG
END
DUP unit OK ?
RCV
LOOP BACK TEST
OK?
PTT ON TEST
OK?
YES
YES
YES
YES
YES
YES
NO
NO
NO NO
NO
PTT TEST
SELF TEST
H8 CPU has in RAM the diagnostic
result for each PTT ON.
For NG, V25 CPU is notified.
In CH70 LOOP-BACK TEST and RCV
LOOP-BACK TEST, all other than PA is put in
transmission status and DSC signal is transmitted,
which is received at CH 70 receiver and RX boar
d
to see if it is a right signal by analyzing the signal
with the control. This test allows collectiv
e
diagnosis of the transmitter, CH 70, RX receive
r
and control.
In AF LOOP-BACK TEST, the test describe
d
above is performed only with the control by
looping the signal back within the control.

Furuno FM-7500 Specifications

General

Brand	Furuno
Model	FM-7500
Category	Marine Equipment
Language	English