Samyung ENC NF120, User Manual

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79
Diagnosis
The chart explains the general symptoms of breakdown and solutions to it.
User should not disassemble equipment. The attempt may degrade the function of
equipment or shorten the life of it. Therefore you take it to the professional engineer (A/S
Center)
AS Center ☏ : 051-601-5570~5574, +82-51-601-5570~4
Symptom Solution
Power doesn’t turn on Check the power connector has been
connected firmly.
Check the power or fuse..
Does not receive GPS satellite information Check the connection of GPS antenna,
Antenna cable and connectors.
Check that the [GPS Port Setup] has been
set as 『Internal.
Display is Unstable or white stripe appears
Display color changes Check the connection condition of LCD
connector.
Clean the LCD connector’s point of contact.
The position value error is large Check if datum has been selected to
‘WGS84’.
If you have set latitude, longitude, correction
function, set the value back to 0.
Vessel’s speed value error is large Adjust the smoothing function to set the
value up for the vessel which is slow, and set
the value low for the vessel which is fast.
Hard to distinguish the fish or seafloor due to
the low gain. Adjust the gain
Multiple seafloor appears Adjust the gain
The record of fish or seafloor gets cut or
uneven. This may be due to the vessel’s rolling,
pitching or bubbles made by vessel’s screw.
Transmitting line does not appear. If the range [Position setup] has not been
set to ‘0’, adjust it to ‘0’.
User Guide
80
N120/NF120 Installation
1. If not connected to AIS, Autopilot, DGPS (Interconnect to the Power Cable 8P)
2. When two equipment AIS and Autopilot are connected (Interconnect to the Data
Connector LTW 8P)
3. More than one of AIS or Auto Pilot have been connected and DGPS is under use.
1. TX RX(BLUE)
8. RX TX(YELLOW)
7. GND GND(WHITE)
EXT Power+RED
EXT Power-BLACK
DC+10~36V
DATA
DATA CONNECTOR LTW(8P) GNB-400S
ó
ó
ó
3. TX(WHITE) RX(BLUE)
4. RX(BLUE) TX(YELLOW)
7. GND(YELLOW) GND(WHITE)
EXT Power+RED
EXT Power-BLACK
DC+10~36V
POWER
POWER CABLE (8P) GNB-400S
ó
ó
ó
N(F)-120
POWER