Please take into account that the LC display (6) is only readable from a certain angle. An
intensive solar irradiation can also affect the readability of the display. So it is recommended
to check the best position before the final installation. The unit can easily be fixed onto diffe-
rent positions in the car by using the enclosed mounting bracket.
Microphone DM-915S
Plug the microphone (1) into the 6 pin socket (10) on the front panel. Properly insert the plug
without any force. No transmission and receiving is possible without the microphone. The pin
assignment of the GDCH standard microphone plug is given below:
PIN 1 Modulation
PIN 2 Loudspeaker
PIN 3 PTT
PIN 4 Up/Down
PIN 5 Ground
PIN 6 +8 Volt
Solder side view of the microphone connector or top view of the microphone plug.
The standard microphone DM-915S, which is equipped with channel selection and signal
tone, is included in the scope of delivery. This microphone is the best selection for the Truk-
kerCom. If you want to use another microphone than the supplied DM-915S, you have to
ensure that the microphone capsule remains also in released PTT key position connected
with the modulator input of the transceiver. Otherwise the VOX function (voice activated con-
trol of the transmitter) of the TruckerCom cannot work.
Power source
Before connecting the unit to a suitable power source via the enclosed fused DC power cable,
the device must be switched off by turning the volume control (7) [ Vol / Off ] all the way coun-
terclockwise until a clicking sound is audible. Now connect the power cable to the connector
(23) on the rear panel. To protect the transceiver against wrong polarity, the cable plug fits
only in one way into the connector (23).
Then, connect the two naked leads at the other end of the cable with the supply voltage of
the car battery. The unit is designed to operate with 12 volts or 24 volts and a negative ground
electrical system. Lay the cable as far as possible away from aggregates which can cause
interference. Watch for the correct polarity during the connection.
BLACK connect to - MINUS / ground of the car battery.
RED connect to 12/24 volts + PLUS of the car/lorry battery.
If the power source is not disconnected after putting the engine off, the last settings will
remain stored, after the unit and the car are switched off.
For base-station operation use a suitable power supply (13.2 V / 2.5 A). The power supply
should be designed for operation with a transceiver, otherwise interference from the mains or
over-voltage may occur.
After microphone, aerial and power source have been correctly connected, radio operation
can be undertaken.
Operation of the TEAM TruckerCom
On / Off [ Vol / Off ]
Before turning the unit on, set the squelch control (8) [ ASQ ] to the counterclockwise stop
but without activating the internal switch. The device is switched on by turning the volume
control (7) [ Vol / Off ] clockwise to the centre position. The symbols are shown at the LC dis-
play (6) and the LCD backlight is illuminated. Adjust the receiver sound with the volume con-
trol to the desired level.
All settings are stored and will be recalled after turning the radio off and on again, as long as
the power supply is not disrupted.
Squelch [ ASQ ]
The white noise, which occurs always on free channels, can be suppressed by the squelch
function. By turning the squelch control (8) [ ASQ ] slowly clockwise you will find the thres-
hold where the noise disappears. The squelch control should only be turned up far enough to
stop the background noise on an unused channel. Turning the control further clockwise will
increasingly suppress stronger interfering signals as well as weak stations.
The automatic squelch [ Asq ] can be activated by turning the squelch control counterclock-
wise until the control clicks. In this position the manual squelch function is switched off and
the preset, automatic squelch threshold is activated.
Confirmation tones
In reception mode, all key operations, except for channel selection via the rotary channel
selector, PTT (4), SIGNAL (5) and SQ/ASQ (8), will be confirmed by a short beep tone.
Channel selection [ p] [ q]
All channels can be selected by the microphone’s channel selector keys (2) [ p] and (3) [ q] or
the rotary channel selector (9) [ CH ] on the front panel to the desired channel. The channel will be
displayed on the LCD (6) with big digits and the frequency with small digits. No channel selection
is possible while the radio is in TX mode. The channels step in a ring like system. That means you
go from the highest channel number to channel 1 and vice versa. For communication with a part-
ner CB station, both transceivers must operate on the same channel and the same modulation type.
LCD background illumination [ LCD ]
In regular mode, the illumination of the LCD and the buttons of the TruckerCom can be swit-
ched between orange and white color by pressing the illumination key LCD (16) briefly.
For a better, visual, differenciation of the selected operating mode, the automatic illumination
mode uses the color white for FM operation mode and the color orange for AM.
To switch between regular and automatic illumination mode, hold the illuminiation key LCD (16)
for approximately 3 seconds until confirmed by a short beep tone.
Modulation selection [ AM/FM ]
The TruckerCom can operate in AM or in FM modulation. However, some frequency norms
operate only in FM. If the selected frequency norm operates in AM and FM, you can toggle
between the two modulation types by pressing the mode key (12) [ AM/FM ].
The 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 beep 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.
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