Furuno Felcom 82, Operator'S Manual

Page: 178 / 230

8. MAINTENANCE, TROUBLESHOOTING
8-4
Monitor display description
a) Displays status: satellite, channel, MES and Tx.
Current Satellite: Displays satellite currently being used.
Channel Status: “SYNC” (synchronized with channel) or “UNSYNC” (not
synchronized with channel).
MES Status: Shows “Ready” when system is ready to communicate;
“Busy” when communicating; “Wait” while searching for
satellite.
Tx: OFF during no communication: ON while communicating.
b) Displays antenna data: heading, bearing, azimuth and elevation.
Heading
Bearing
North
Ship’s
Heading
Azimuth
Antenna
Direction
Antenna
Antenna data
c) Ship's position from navigational device.
d) OK shown when gyro data is correctly received; NMEA when nav data is
correctly received. NONE appears when there is no gyro/nav data input.
HOLD indicates manual heading input.
e) Check of transmitter and receiver sections.
TX EIRP Level: Monitors output power from the Antenna Unit. (HPA Board
check: Normal value at transmission is more than 23.)
TX RF Level: Monitors output power from the Communication Unit. (RF
CONV Board check: Normal value at transmission is 12-
38.)
RX C/N: Shows RX C/N level. Normal value is more than 40.
RX IF AGC Level: Shows RX IF AGC level. Normal value is more than 150.
f) Check of transmitter and receiver sections. OK or NG (No Good) shown as
results.
Rx SYN: Rx synthesizer check
Tx SYN: Tx synthesizer check