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3 SYSTEM DESCRIPTION
3.1
General
The Compact HF SSB Programme 2000 includes all
facilities that forms a modern maritime short wave
radio station.
The equipment consists of a number of separate units,
which can be interconnected to give a sophisticated
and highly advanced maritime communication system.
The divided structure gives a very flexible system,
which can be fitted to fulfil all needs and wishes of the
customers. This gives a very cost efficient system,
because the customer only pays for the facilities he
actually needs.
3.2
Simplex Radiotelephone Standard
System
The system is built up around four units, which form the
standard system for simplex radiotelephony. These
four units are pointed out on the block diagram by a
surrounding broken line.
The standard system is delivered in three different
versions, with the following power levels: 250W, 600W
and 1200W. The power level is only depending on the
size of the transmitter and aerial coupler, which means
that the Receiver/Exciter Unit RE2100 is commen for
all versions of the system.
The standard system is fully controlled from the Re-
ceiver/Exciter Unit RE2100. This unit is provided with
a high quality push-button keyboard, and a display
where keyed operations are instantly confirmed.
The standard system can be extended by optional
equipment to fulfil almost any requirement. This op-
tional equipments is described below.
3.3
Duplex Radiotelephone
The standard system can be extended to duplex
operation by means of the Duplex Receiver R2120.
This unit has its own antenna for reception and is fully
controlled from the Receiver/Exciter Unit RE2100.
3.4
Telegraphy
The standard system can be extended to telegraphy
operation by means of the Duplex/Telegraphy Re-
ceiver R2120T, which is a special version of the Duplex
Receiver. This version includes a very narrow interme-
diate filter and a BFO circuit (Beat Frequency Oscilla-
tor).
Furthermore, to obtain the facility of telegraphy, the
system must also include the CW Unit H2185. This unit
includes a Side Tone Oscillator, power supply for
Duplex/Telegraphy Receiver R2120T and connectors
for the Morse Key and Headset.
RE2100/C2140/R2120/T - SYSTEM DESCRIPTION
3.5
Remote Control
The Standard Simplex/Duplex system can be remote
controlled by the Control Unit C2140, which can be
placed up to 100 meters away from the Transmitter.
The system can handle up to five Control Units C2140,
depending on the number of other optional units.
Furthermore, it is possible to use the Control Unit
C2140 as an intercom, which means that a conver-
sation can take place between two Control Units
C2140 or between a Control Unit C2140 and the
Receiver/Exciter Unit RE2100.
3.6
DSC/Telex
The standard system can be extended with the DSC
Watchreceiver RM2150 and/or the Telex/DSC RM2151.
The operation of these two units and the principle of
DSC (Digital Selective Calls) are described in the
separate operator manual: "OPERATOR MANUAL
DSC HF SSB RM2150/RM2151".
Simplex Radiotelephone
Standard System
Loudspeaker
H2054
Receiver/Exciter
RE2100
Control Unit
C2140
Control Unit
C2140
Units for Telegraphy
Operation
CW Unit
H2185
MORSE KEY
Remark:
The interconnection between the telegraphy
units and the standard equipment for simplex
radiotelephony is shown in chapter 11,
Telegraphy Operation.
28900B-GB
AERIAL
COUP-
LER
TRANS-
MITTER
Duplex Receiver
R2120
DSC Watchreceiver
RM2150
Telex/DSC
RM2151
Duplex/Telegraphy
Receiver
R2120T
3-1
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