jotron TR-2600, Operation And Installation Manual

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82695
_Op&Ins MAN_TR2600_K 2
EC Declaration of Conformity, available at www.jotron.com
Abbreviations and definitions
ACU
Antenna Changeover Unit
AIS -Automatic Identification System.
A shipborne broadcast transponder system in which ships continually transmit their position, course, speed and other
data to other nearby ships and shoreline authorities on a common VHF radio channel.
ALARM
Message by which the navigator signals the occurrence of an event. The alarm is indicated by an audible tone and/or a
message (or icon) on the display.
ALTITUDE
The height of the antenna over mean sea level.
AMBIENT
Surrounding or encompassing environment.
ANTENNA HEIGHT
The height (over the waterline) in which the antenna is installed.
ASM
AIS Service Management – Controlling entity for the whole AIS service
AUX
Auxiliary Port -A communication port on the AIS transponder, which can be used for NMEA or RTCM, input.
BAUD
Transmission rate unit of measurement for binary coded data (bit per second).
BIT
Short form of Binary Digit. The smallest element of data in a binary-coded value.
bps
Bits Per Second.
BSC
Base Station Controller
CHARACTER STRING
Continuous characters (other than spaces) in a message.
CHECKSUM
The value sent with a binary-coded message to be checked at the receiving end to verify the integrity of the message.
CLICK (KEYBOARD)
The audible tone generated when a key is activated
CLOCK
A precisely-spaced, stable train of pulses generated within an electronic system to synchronize the timing of digital
operations within the system.
CLOCK OFFSET
The differences between the times at the CDU/processor tracking a satellite, the satellite itself, and GPS system time.