
Doc. No.: 87095 Rev. B jotron.com Page 6 of 72
8.8.1 Dual watch ...........................................................36
8.9 Menus ...............................................................................37
9Operation instructions (Maritime VHF radio)............................ 41
9.1 Regular radio mode ..........................................................41
9.2 Channel selection..............................................................41
9.3 Channel 16 button ............................................................42
9.4 Call channel .......................................................................42
9.5 Custom channels...............................................................44
9.6 Volume adjustment ..........................................................44
9.7 Squelch adjustment ..........................................................44
9.8 Key lock and unlock...........................................................45
9.9 Watch ................................................................................46
9.9.1 Dual watch ...........................................................46
9.9.2 Triple watch .........................................................47
9.9.3 Scan ......................................................................48
9.9.3.1 Scan prog..................................................49
9.10 Menus ...............................................................................51
9.11 External accessories..........................................................56
10 Maintenance.............................................................................. 56
10.1 Regular inspection ............................................................57
10.2 Regular testing ..................................................................57
11 Test and maintenance records .................................................. 59
12 Battery safety instructions......................................................... 60
12.1 TR30 Emergency battery ..................................................60
12.2 TR30 Rechargeable battery ..............................................60
12.3 TR30 Test battery..............................................................60
12.4 Handling and storage........................................................60
12.4.1 Transportation .....................................................61
13 Technical specifications............................................................. 62
13.1 Product specification ........................................................62
14 Channels and frequencies ......................................................... 63
14.1 GMDSS...............................................................................64