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8-8
Interpreting the system status monitor
Date: Current date
Time: Current time
Position: Vessel’s position (either manual entry or au-
tomatic input by navigation aid)
Waypoint: Destination
Course: Heading
Speed: Ship’s speed
Current NCS: NCS your vessel is logged in with
Current Channel: Channel in use
Current TDM: Channel TDM
MES Status: Operational status of MES
GPS Status: Receiving signal status from GPS receiver.
CST: Cold Start
ACK: Acquired; Almanac data acquired
IMP: Impossible; cannot receive GPS signal
INT: Interrupted; object interfering reception
of GPS signal
ALM: Receiving the almanac
2D, 3D: Position-fixing method by 2 or 3 di-
mension
Note: The above status indication depends on the GPS
receiver connected.
DCE memory: Memory remaining in communication unit
BBER: Bulletin Board Error Rate (%)
C/N: Check of circuit status with LES, receiving
circuit in antenna unit, RF CON Board and
CPU Board (DEMOD section). OK appears
for figure greater than 31.
Send Level: TX level check. At transmission, OK appear
for more than 123. At reception OK appears
for figure less than 32.
RX IF AGC Level: Check the receiving circuit of the antenna unit
and the RF CON Board in the communica-
tion unit. OK appears for figure greater than
80.