80078_UM_TR20_N
www.jotron.com
80078_UM_TR20_N
www.jotron.com
EC Declaration of Conformity, available at www.jotron.com
Read this Users Manual fully to familiarise yourself with the
equipments functions and facilities.
Abbreviations and definitions
CLOCK
A precisely spaced, stable train of pulses generated within an electronic sys-
tem to synchronize the timing of digital operations within the system.
DEFAULT
A condition that the navigator assumes automatically if no other condition is
initiated by the operator.
DW
Dual Watch. Receiver altering between two different channels.
GMDSS
Global Maritime Distress
&
Safety System
IEC
International Electro-technical Commission.
IMO
International Maritime Organization
IP rating
Joint factor (to indicate the waterproofing of the equipment)
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UM Tron TR20 GMDSS vN.indd 3
07.03.2013 09:47:09