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An non volatile flash memory keeps the channel and country information
stored even if the radio is not connected to power.
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.
In any case, please set the country switch on the front panel to the correct country
position before You plug in the DC cable! A reset procedure will not be necessary if
the power cable had been unplugged for more than 10 seconds.
If in base station use it is important to you that the stored stations are kept even after
switching off and on again, then please do not switch the external power supply
power unit off when you switch your set off for a short time. Only use the on/off
switch on the set itself.
Never repair a blown fuse with silver paper or with alumunium foil! If the
fuses keep blowing, then please give your radio set to your servicing dealer
to be repaired or hand it in to Albrecht’s service station.
The maximum allowed voltage variation for this radio is up to 15.6 volts.
Never exceed this voltage under no circumstances! The transmitting stages
for your AE 5090 are electronically stabilized, and therefore it is impossible
to increase output by means of excessive supply voltage. Such attempts may
lead to serious damage to the radio set but will never increase output power!
Antenna connection
Connect your CB antenna to the ANT socket on the rear side of your ALBRECHT AE
5090. Most CB antennas must be tuned to best radiation during installation to give
highest effective communication range. CB specialists do that job with a standing
wave meter to check and adjust the aerial. Tune the aerial to the best standing wave
ratio (SWR) on an intermediate channel e.g. using Channel 1 in 80/12 mode (26.965
MHz) or Channel 20 in all other modes.
On this channel you should attain a SWR of approx. 1.5 or less. If the SWR
deteriorates on the highest (Channel 40) and lowest (Channel 41) channels up to a
value of 2.5, then your aerial is still acceptable. SWR above 3 is too bad for good
communication range. A bad SWR may also indicate that there is perhaps an