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6) LCD background illumination [ B ]
By pressing briefly the LCD illumination toggle key ( 16 ) [ B ] you can change the LCD back-
light illumination colour from orange to blue and vice versa. If you depress the LCD illumina-
tion toggle key ( 16 ) [ B ] for about 2 to 3 seconds, the LCD backlight illumination switches
itself completely off. In the same way the LCD backlight illumination can be recovered again.
7) Modulation selection [ Mode ]
The RoadCOM can work in AM or in FM modulation. At certain settings it works only in FM
mode. When being switched on after a disruption of the supply source the unit works on chan-
nel number 9 in FM mode which is indicated the symbol "FM". If the unit accepts also the
modulation type AM on the actual channel, you can toggle it by pressing the key ( 12 ) [ Mode ]
between the modulation types AM and FM. The selected AM mode will be indicated by the
symbol "AM". If the unit does not accept the modulation type AM on the actual channel, you
will only hear a receipt tone, but it remains on the modulation type FM.
If the unit is set to AM on the actual channel, and you select another channel, on which the
AM mode is inhibited, the modulation changes automatically to FM mode. If you select once
more another channel, on which the AM mode is allowed again, the modulation switches
automatically to back to AM mode.
With the model type "RoadCOM uk Multi Norm" , you can toggle between the EU band and
the UK band, which is indicated by symbol "EU" or "UK", by pressing the key ( 12 ) [ Mode ]
If the actual model type of the RoadCOM is the "RoadCOM-uk", you can only work in FM
mode. By pressing the key ( 12 ) [ Mode ] you can toggle the unit between the EU band and
the UK band, which is indicated the symbol "EU" or "UK". When being switched on after a
disruption of the supply source the unit works on channel number 9 in the UK band. The CB
band EU consists of the 40 CEPT channels. The CB band UK consists of 40 channels star-
ting from 27.60125 MHz to 27.99125 MHz. It is permitted only in Great Britain. After switching
it off, the unit stores the last channel of the actual band and also of that band, which is actu-
ally not in use, as long as the power source remains connected.
8) Version selection [ 4040 / 8012 / 4000 ]
The RoadCOM type distributed in Great Britain is called "RoadCOM-uk Multi Norm", and it is
equipped with the facility to be turned into one of the three different versions "8000uk", "4040"
and "8012" by the end-user. The three-stage push-switch ( 25 ) [ 8000uk / 4040 / 8012 ] on
the rear panel serves for this end.
> In the position "8000uk" the unit works on two frequency bands EU and UK and only with
the modulation type FM. The transmit power is 4 W. The version "8000uk" is allowed for use
in Great Britain only. In other countries the version "8000uk" is not allowed.
> In the position "4040" the unit works only on the 40 CEPT channels, but it allows on every
channel both modulation types FM and AM. The transmit power in FM is 4 W and in AM 1
W. In Germany the version "4040" is allowed for use in FM mode on all 40 channels, but in
AM mode only on 12 channels, i.e. channel 4 - 15. In the following countries the unit is allo-
wed to be used on every channel in both modulation types FM and AM: Belgium, France,
Netherlands, Portugal and Spain.
> In the position "8012" the unit works on all 80 German CB channels in FM mode, and it
accepts only on 12 channels additionally also the AM mode, i.e. on channel 4 - 15. The
transmit power in FM is 4 W and in AM 1 W. The version "8012" is allowed for use in
Germany only. Here the user can select all 80 FM channels and all possible AM channels.
In other countries the version "8012" is not allowed.
Refer to the unit's passport of the "RoadCOM-uk Multi Norm" for information about the per-
missions and restrictions for the use of the different versions in the different countries.
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9) Transmitting
To transmit depress and hold the key ( 4 ) [ PTT ] on the microphone ( 1 ). ). At the LCD the
symbol "TX" appears, and the bar meter at the bottom of the display shows the relative trans-
mit signal strength. The sensitivity of the microphone ( 1 ) has been set to give good results
speaking normally at a distance of 2 - 4 inches. Speaking too loudly will cause distortions and
make the signal difficult to understand. While the set is in the transmit mode there is no key
entry possible and the receiver is muted. On completion of the transmission release the PTT
key ( 4 ) and the set will revert to receiving mode.
10) Call tone
If you press the transmit key ( 4 ) [ PTT ] and the call key ( 5 ) [ SIGNAL ] at the same time
on the microphone ( 1 ), a call tone will be transmitted and can be heard only by the partner
station, provided it is switched on the same channel and the same modulation type.
11) Channel memory keys [ 1 - 4 ]
The RoadCOM can store up to 4 frequently used channels and their modulations. The default
settings of the memories 1 - 4 are the channels 1, 9, 19 and 40 in FM mode. These memo-
ries can be overwritten with other channel numbers and modulation types. In case of data
loss the default settings will be stored in the memories again.
If you want to save a new channel you have to select it first with the channel selector switch
( 9 ) [ Channel ] or the channel selector keys ( 2 ) [
sired modulation type. Then depress one of the memory keys ( 11 ) [ 1 - 4 ] for about 3 to 4
seconds until a second receipt tone and a short flashing of the channel number and the chan-
nel frequency indicate the overwriting of the new channel number and modulation type into
the corresponding memory.
If you want to recall a memorised channel and the corresponding modulation type you have
to depress briefly one of the memory keys ( 11 ) [ 1 - 4 ]. On the left side of the display the
actual memory number is displayed behind a "M" in case of data storage or recall. The memo-
ry number indication disappears by selecting a new channel.
12) Last channel recall [ LCR ]
By a brief depressing on the key ( 17 ) [ LCR ] the transceiver will return to that channel and
that modulation type, to which it was adjusted, when the PTT key was pressed the last time.
The actual channel and the actual modulation type will be stored temporarily in a register. If
you press on the key ( 17 ) [ LCR ] once again, the unit will skip back to the previously selec-
ted channel and modulation type stored in the register, provided, that you did not change the
channel and/or the modulation type in the meantime.
13) Priority Channel 9 / 19 [ CH9 ]
The version "8000uk" is equipped with the priority channels 9 and 19. Priority channel 9 is selec-
ted by pressing the key ( 20 ) [ CH9 ] once. To set priority channel 19, press the key ( 20 ) [ CH9 ]
twice. When a priority channel is set, the channel and the frequency will blink in the display and
all function keys including the rotary channel selector are disabled. Only transmission and acti-
vation of the VOX function are possible. To return to the previous channel, press the key
( 20 ) [ CH9 ] once, if priority channel 19 has been selected, or twice, if priority channel 19 has
been set. Once returned to regular mode, all functions will be enabled again.
All other versions are only equipped with the priority channel 9.
ENGLISH
] and ( 3 ) [
]. Then adjust the de-
19
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