Furuno FELCOM 12 Service Manual page 72

GPS Status:
DCE memory:
BBER:
C/N*:
Send Level*:
RX IF AGC Level*:
REF Offset Freq*:
Synthe 1st Local*:
RX 2nd local*:
Antenna Power Supply*: NG appears for discontinuity or short in cable.
Water Temperature:
Water Current
Direction :
Speed:
Depth:
(*1): See "Analysis of NG display" beginning on the next page.
GPS signal status
CST: Cold Start
ACQ: Acquired; Almanac data acquired
IMP: Impossible; Cannot receive GPS signal
INT: Interrupted; Object interfering with reception of GPS
signal
ALM: Receiving the almanac
2D, 3D: Position-fixing method by 2 or 3 dimensions
Memory not is used.
Bulletin Board Error Rate (%)
Check of circuit status with LES, receiving circuit in Antenna
Unit, RF CONV Board, TX/RX IF Board and CPU Board
(DEMOD section). OK appears when figure is higher than 31.
TX level check. At transmission, OK appears when figure is
higher than 123. At reception OK appears when figure is lower
than 32.
Check the RX circuit in the Antenna Unit and the RF CONV
Board or TX/RX IF Board in the Communication Unit. OK
appears when figure is higher than 80.
Operating normally if SYNC lamp on Communication Unit
lights during synchronizing. If it does not light check RX
Synthesizer or REF OSC on the TX/RX IF Board. OK appears
when figure is lower than 150.
Check of local oscillator on RF CONV Board.
Check of RX 2nd local oscillator on RF CON Board.
Water temperature
Tidal current direction
Tidal current speed
Depth of water
6-4