Appendix C Junction Board 
C-3 
Communication available status 
 
C.3 Screen display of Handset , when JB /GYRO are used (Corresponded to Chapter 4.1.4) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Initializing 
Initialize 
Initial Heading value requesting 
 
APAC E143.5 
14:03 UTC 
  CS PS READY
Heading
 
   
  
 
APAC E143.5 
14:03 UTC 
 
APAC E143.5 
14:03 UTC 
A LED of Main unit starts blinking. 
About  90  seconds  later, initializing is started 
and blinking [Initialize] text is displayed. 
[SAT SEARCH] text is displayed in the 
lowest, [Status] line.  Satellite search is 
started. 
Satellite search is terminated and then 
[REGISTERING] text is displayed.   
Registering to Inmarsat network is started. 
Registering is terminated and [CS PS 
READY] text is displayed. 
Various services are available. (About the 
operation after this screen, refer to chapter 
4.1.4 or later). 
Input Heading value when it is required. 
Note) this screen appears when: 
•  GYRO type is SYNC/STEP, and an 
 initial Heading value is not set yet. 
• 
JUE-501/JUE-251 
Heading information from GYRO. 
Fig.C.3    Screen display of Handset   
(when JB/GYRO are used) 
Turn on JUE-501/JUE-251 by pushing 
power switch of Main unit.