Albrecht AE4090 CB Radio Operating Manual

 
 
 
 
 
 
 
CB RADIO 
AE 4090 
 
OPERATING  MANUAL  
 
 
ALAN Electronics GmbH 
Dovenkamp 11 
D- 22952 Lütjensee 
www.albrecht-online.de 
 
  

 
  2
  Index 
 
 
Important note 3 
Introduction 3 
Accessories included 4 
Safety Precautions 4 
Front view 5 
Rear view 5 
Installation of the radio 5 
Power supply 6 
Antenna connection 7 
Operation 8 
 Switching on and adjusting volume 9 
Country switch setting  9 
Selecting the operating channel 10 
 Adjusting squelch (muting) 10 
 AM / FM mode switch 10 
 Special interest channels  11 
 Direct channel access to CH 9 / 19 11 
 Scan mode 11 
 Transmitting and correct use of microphone 12 
External...

 
 3
   
   Important Note 
 
Your Albrecht AE 4090 corresponds to the latest European CB standards. As a 
unique feature, it has a software country switching which allows selecting the 
operation mode according to the country, where You intend to use the radio. Please 
make sure that You use only the country switching which is allowed in Your country 
and according to Your CB licence! You may risk a penalty if authority members 
will find that You are operating in not allowed modes! 
 
 40 FM  40...

 
  4
 · 8-pin microphone socket, suitable also for amplifier microphones, 
selective calling systems or Packet Radio modems/TNC’s 
 
· Socket for external loudspeaker  
 
Please read this operating manual through carefully. This will enable you to make 
use of all the functions your new CB Radio has to offer as soon as possible. 
 
 
 Accessories included  
 
 
Your AE 4090 comes operational with the following accessories: 
 
· mobile mount 
· 2 knurled screws for the mobile mount 
· 2 rubber washers...

 
 5
   Front view 
 
 
 
 Rear view 
 
 
 
 
 
 
  
 
 Installation of the radio 
 
You can either operate your ALBRECHT AE 4090 in the car or at home as a  base 
station. For installation as a mobile station in the car, a mobile mount device is 
enclosed. Mount the set in such a way that it is not exposed to direct sunlight if 
possible, as this would lead to an increase in the temperature and can decrease the 
(set’s) working life. The set should also not be installed near a heater. Mount the set 
in...

 
  6
  free leg movement). Take care not to damage any underlying wires during 
installation!  
Then insert the radio into the mobile mount device. Secure the set with the large 
knurled screws (using the enclosed plastic washers) firmly at the required angle.    
Also mount the microphone hanger using the enclosed screws in an easily-
accessible place.  
In order to prevent interference to the vehicle electronics from transmission in the 
vehicle, please make sure to take any mounting instructions from...

 
 7
   
Note for all connecting methods: 
 
For EMC reasons, the cable used to connect to the power supply should be no 
longer than 3 metres.  
If  you wish to operate your set at home from the mains supply then please only use 
a stabilized power pack with at least 2 amps permanent current-carrying capacity. 
Under no circumstances should you use a car battery charger, as these are not 
stabilized and during open circuit reach such high voltage levels that your radio set 
could be destroyed.    
 
If...

 
  8
 Even if your AE 4090 has a particularly robust transmitter high-
level stage which can even withstand mismatching of SWR=3, you 
should still never transmit without an antenna!  
    
 Operation 
 
Before switching on 
· Turn SQUELCH control left as far as possible 
 
Switching on and adjusting volume 
The on/off switch is combined in the VOLUME control.  To switch on: 
 
· Turn VOLUME control from OFF position slightly right. LED display will be 
illuminated. Then turn further until desired...

 
 9
  To switch to this system  
· Switch the radio off 
· Press Down button and keep button pressed 
· Switch on the radio at the same time 
· Release the button 
 
The radio has now  switched to AM / FM on all 40 channels. You may select any of 
these channels and operate in Am or FM. The last used channel is kept in a memory 
depending on the mode.  
Example: If You have used CH 1 in AM before, then switch to FM, and select CH 8 
for FM, You may later toggle between CH 1 /AM and CH 9 / FM with the...

 
  10
  Selecting the operating channel 
On the radio set: 
· Up or Down buttons You can continuously select channels. The present channel 
is displayed.  
  
On the microphone: 
· Press the Ù or Ú button on the microphone briefly, to switch up or down a channel.  
· Press the respective button longer to run up or down through the channels. The 
present channel is displayed.  
 
 
Adjusting squelch (muting) 
Particularly in FM, noise can be a nuisance on a free channel. With the muting 
control...