* *
故障代码类： 1. 031:sensor adapter 2 COM timeout 2. 257：Gyro 3 com error 3. 380:AIS COM ERROR 4. 450:heading sensor not available 5. 470：datum change 6. 495:anchor watch error 7. 635:no official data 8. 640:chartalign:over 30 min 9.820:navtex message received
考点（题中穿插）： 1.DISP SETTING(chart watch sector) 2.Basic setting:shallow pattern Chart disp:AIO Symbol disp:magnetic variation Chart contour, deep contour alert:shallow contour,safety depth,safety * *
3.GREEN:license ok,chart is up-to-date ORANGE:license is valid,but not up-to-date Magenta:license is valid,but not loaded to the ECDIS YELLOW:license ok,up-to-date status doubtful RED:not available or expired BLUE:canceled chart
单选题（目前72个，未完待续）
1.how
do
you
get
information
on
an
ENC
object(buoy-beacon-berth etc)on the FURUNO ECDIS? A.I right click on the use chart function in the route planning tool.
B.I click on the chart info in the instant access bat C.I enter click on the object. D.I right click on the object 估计答案：D 正确答案：
2.where can you find a list of the manual updates that have been applied to the FURUNO ECDIS? A.in the chart legend
* *
B.In the manual update window C.In the chart catalogue D.In the chart display menu 估计答案：B 正确答案：
3.how can you see if a chart object i cteated using manual updates?
A.the manual update will be larger than any other chart objects
B.It is always shown in red
C.It will have a special orange marker D.There is no way i can see if a chart object is created using manual updates 估计答案：C 正确答案：
4.How do you add navigation chart objects to the FURUNO ECDIS when you are require to do so by notices to mariners?
A.i can not add any chart objects to the ECDIS unless they are included in the weekly update B.I use the manual update function C.I use the user chart function
电子海图题目整合(第三次修订版)
