
Doc. No.: 87634 Rev. G jotron.com Page 4 of 48
Table of Contents
1List of figures ............................................................................... 6
2List of tables................................................................................. 7
3General ........................................................................................ 8
4Standards..................................................................................... 9
5Product description ................................................................... 12
5.1 Product images .................................................................13
5.2 EPIRB control functions ....................................................14
5.3 Cospas-Sarsat system description ....................................14
5.3.1 Signal detection ...................................................15
5.3.1.1 Advantages of an included GPS...............16
5.3.2 EPIRB registration ................................................16
5.3.3 False alerts transmitted by EPIRB........................17
6Functional description ............................................................... 18
6.1 Tron 40VDR components..................................................18
6.2 Main module.....................................................................19
6.3 Antenna.............................................................................19
6.4 Battery module .................................................................19
6.5 FB-40 float free bracket....................................................19
7Installation ................................................................................. 20
7.1 Brackets.............................................................................20
7.1.1 Mounting the FB-40 float-free bracket ...............20
7.1.2 Mounting the EPIRB in the FB-40 float-free
bracket 20
7.2 Replacing the battery........................................................23
8Operation instructions............................................................... 23
8.1 Manual operation .............................................................24
8.2 Automatic operation from the FB-40 float-free bracket .27
8.3 Wrist strap.........................................................................28
9Maintenance.............................................................................. 29
9.1 Inspection..........................................................................30