5 | Preface
Baud rate
This is the transmission speed of serial interfaces in characters per second.
Transmitting interval
The frequency at which complete NMEA sentences are being transmitted in number of
times per second.
Factory setting
Instrument setting for backlight color, language, number of connected apparatus, etc. as
configured as a new instrument by the factory.
Flash memory
Non-volatile type of memory. This type of memory retains its contents even when the in-
strument is turned off.
Firmware
(Embedded) software inside the processors of the AlphaLine instrument.
Compass safe distance
The minimum distances to equipment that will not cause an unacceptable deviation of
the ship's standard and steering compasses.
Table 1: Definitions
I.2.2 Abbreviations
Abbreviations as used in this manual are explained in Table 2: Abbreviations on page 5.
A
Ampere
ARD
AlphaLine Repeater Display
CAN
Controller Area Network
CT
Chain Transmission
DC
Direct Current
DP
Dynamic Position
ECDIS
Electronic Chart Display Information System
GPS
Global Positioning System
I/O
Inputs and Outputs
I.S.
Inter Switch
LED
Light-Emitting Diode
LT
Linkage Transmission
mA
Milliampere
mm
Millimeter
NC
Normally Closed
NMEA
National Marine Electronics Association
NO
Normally Open
OA
Operational Alarm
TAP
Type Approval Program
PCB
Printed Circuit Board
RCU
Remote Control Unit
RFU
Rudder Feedback Unit
RFU HD
Rudder Feedback Unit High Duty
