4-1 
4.  Getting started 
In Section 4.1, connecting the Handset and terminal devices to Main unit, and installing SIM card 
are described; and initial setting for communication is described in Section 4.2. 
NOTE 
JUE-501/JUE-251 has two types of satellite tracking mode, Signal tracking mode and Gyro tracking 
mode.   
Press  MENU+3  button (Satellite menu) on the Handset.  [3.Heading
JUE-501/JUE-251 is set as Gyro tracking mode.     
You can use Web browser or LaunchPad for the Packet switching service (Standard/Streaming IP 
communication).   
About Web browser 
JUE-501/JUE-251  is  accessible  by Web browser on your PC. Functional adjustment  of 
JUE-501/JUE-251 as well as fundamental services like displaying  the status/setting of 
JUE-501/JUE-251, connecting/disconnecting Standard/Streaming IP service, and 
sending/receiving SMS can be made by Web browser. 
About the LaunchPad 
LaunchPad is the application software  manufactured by Inmarsat for handling Mobile Earth 
Station (MES). Fundamental services are also available by using LaunchPad. 
 
 
 
 
About the TCP accelerator  (TCP PEP) 
TCP accelerator (TCP PEP) is PC application software which improves the performance of TCP 
applications (transfer rate) over FleetBroadband network. 
Install TCP accelerator (TCP PEP) to your PC using attached CD-ROM if necessary. 
 
 
 
 
 
NOTE 
•  Refer to [Chapter 6 Web Menu System](p6-1) of this manual to control BDE by Web browser. 
•  JUE-501/JUE-251 supports Microsoft Internet  Explorer  7, Mozilla Firefox 
version. 
NOTE 
• 
Refer to [Appendix K] and [Appendix L] of this manual to install and to use the LaunchPad. 
•  LaunchPad 
version 5.0.4 or later supports the Windows XP/Vista/7 32bit. 
NOTE 
•  If using TCP accelerator 
is not made by Inmarsat, or depending on the type of application,   
transfer rate may not be improved. 
•  The TCP accelerator version2 or later supports the Windows XP/Vista/7 32bit and Windows  7