Sony Icf 2010 Users Manual

icf 2010 to the manual c69b055b-ab57-4d9a-a55b-2b8c6cf7560e

2015-01-23

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English
Sony
Year Introduced/discontinued: 1985/2003
Power: 4.5 Volts DC for the radio (D size, plus 3 penlights to back-up
computer and clock). AC Mains adaptor often included in the price
Size: 290 x 160 x 50 mm
Weight: 1800 g
Price: US$350, CAN$500
Coverage: FM, LW, MW, SW (150 - 29999 kHz) & 116-136 MHz
Value Rating
SSB. PLL dual conversion. Excellent follow up to the older ICF2001
released in 1980 (i.e. without the letter "D" at the end of the type
number), but completely different. Economical battery consumption.
Front end circuitry prone to damage by static on the antenna (e.g. from
nearby lightening strikes) causing dramatic loss in sensitivity -
be careful
if using an outdoor antenna. Two bandwidths with fair/good selectivity
and sensitivity. WIDE bandwidth filter perhaps too wide. Unique
automatic ECSS "sync" tuning system is very effective. Clock/ Timer.
Carefully matched 120 cm telescopic antenna. LED tuning meter. Dial
light. Very versatile 32 channel memory and SCAN functions. Keyboard
entry or manual tuning knob. Models with a serial number higher than
45000 have a redesigned battery holder to prevent memory batteries
working loose, leading to loss of stored frequencies. In the market for
longer than most models, the heir apparent is ICF-SW-77.
Full Review
This review was compiled independently. Radio Netherlands has no
financial connection with Sony, the manufacturer of this receiver.
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The following is a text version of an on air review broadcast by Radio
Nederland Wereldomroep originally broadcast on January 17th 1985!
Yes, that date is correct. This radio is more than 12 years old but is still
sold in some shops in the USA. It has disappeared in other markets, but
it still offers good value. The radio has been replaced by the Sony ICF-
SW-77, although there is no air-band coverage on the SW-77. The set
was tested in our own laboratories.
Vital Statistics
The set bears two type numbers. In North America it is known as the
ICF2010, in Japan and elsewhere it's called the ICF2001D. That last
type-number is confusing, because this new Sony receiver has little
resemblance to the ICF2001, i.e. without the letter D after it, introduced
in August 1980. The model we tested was marked as the ICF2001D. Put
next to the old ICF2001 it's very slightly smaller, measuring 29 by 16 by
5 centimetres, and weighing the same 1.8 kilos including the batteries.
That's where the similarity ends, for the new set certainly has a much
larger array of push-buttons, 68 in all. At first sight, they might put off
someone who's not all that technical at first. There are some familiar
points, like a white calculator-style keypad, for directly keying in the
frequency. If you wanted to listen to 11730 kHz, you simply punch in 1-
1-7-3-0 and then push the "EXECUTE" button. If you can use a
calculator, then this set is no problem!
Next to the familiar 11 keys though, are four rows, each of 8 buttons,
representing the 32 channels you can store in the memory. These aren't
marked 1, 2, 3... 31, 32 as you might expect. It's more like reading a
map, for the rows are marked A to D, the columns 1-8. A simple two
finger operation stores any chosen frequency in the memory, which
you're told in memory b8, or c5, depending on what you've selected.
Good coverage
The ICF2001D has wide coverage. It can be operated continuously
between 150 kHz, right up to 29,999 kHz, that includes long wave,
medium wave, and shortwave. Plus there is the VHF FM band between
76 and 108 MHz, and, a new trend for its day, the aeronautical band
between 116 and 136 MHz. This still makes the radio forbidden fruit in
many countries in Asia, where listening to the airband is considered an
offence. But all that coverage, in a relatively small box, is impressive.
At this point, let's re-examine those 32 keys for the memories, in the
four rows. Under most of the keys, is blue coloured lettering, because
like some computer and typewriter keyboards, each key has a double
function. If you press and hold a key marked SHIFT, the blue coloured
functions become active, and for the most part it means you can get the
set to jump immediately to the bottom of the longwave, medium wave,
the 120, 90, 75, 60, 49, 41, 31, 25, the 22, 19, 16, 13, 11 metre
shortwave bands, plus the FM and airband.
Scanning Functions
You can decide to scan between two chosen frequencies, stopping when
a signal is picked up, or start looking through the 32 channel memory. In
that case, the 2001D selects each memory with anything stored in it for
5 seconds, lets you hear it, and then moves to the next. If you like
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computers, and gadgets, this is a very flexible set. You can also opt for
manual tuning, with a conventional recognisable knob. It allows you to
move in steps up and down the bands. You move in 50 kHz steps on FM,
25 kilohertz on the airband, and either 1 kHz or 100 Hertz on short,
medium and longwave, depending on what you select. Those steps are
quite audible, and you may well find that since the minimum step is 100
Hz each time, that using this receiver for radio-
teletype (RTTY) reception
is difficult. It's less critical when listening to amateur radio operators on
either upper or lower sideband, both possible on this set. Ideally we
would have liked the tuning steps on between 150-29999 kHz to be 50
or even 25 kHz, though back in 1985 this would probably add to the
cost. The set will take account of the fact that the spacing between
medium wave stations is 10 kHz in North America, and only 9 kHz in
Europe.
This leads to an examination of the ICF2001D's selectivity, or ability to
pick out the station you want from the rest of the rabble. The wider the
filter, (rather like a window looking out on the shortwave band), the
better the audio quality, but the greater the risk other stations using
frequencies nearby will also be heard. The ICF2001D offers two settings,
wide and narrow. We found the filters used to be fair for a receiver of
this type. The "wide" setting is perhaps too wide, for in crowded bands
you always seem to suffer from a 5 kHz whistle caused by adjacent
stations. The "narrow" setting, around 3 KHz at -6dB, is definitely
needed, and still produces very acceptable audio when listening to news
programmes.
"Sync" Tuning Facility
There's a new button on this receiver which is a major high-point. It's
marked "sync". Push it, and the receiver switches to either upper or
lower sideband, but locks on to the station's carrier. It's an automated
version of the old shortwave listener technique of switching to single-
sideband and tuning very carefully to get rid of the resulting whistle.
Why bother? Because the result is a signal less prone to the fading
distortion, and it's very handy if there is a strong station on one side of
the one you're trying to listen to. Press the "sync" button, and select
either the lower or upper sideband, which ever gives clearer reception.
The 2001D is rock steady enough for this idea to work well.
We noticed a design fault on the first examples produced in early 1985.
The sync circuitry generated its own background noise. On lower
frequencies, e.g. medium wave or the 49 metre shortwave band, it's less
of a problem. But during our on air review in 1985 we found Radio
Bucharest (in those days) on 11940 kHz with an excellent signal when
tuned to AM. You could hear a clear "Sssssh" sound when the sync
facility was switched on. Some listeners reacted to our review by saying
it sounded like a form of jamming. But it was generated by the set itself.
Further down on the 60 metre tropical band results were quite good. We
were also able to listen to feeder transmissions and easily separate the
two programmes being broadcast.
However, we tested another example of the set in August 1985, and
found the synthesiser noise had been considerably reduced, enhancing
the "sync" facility. On very weak signals, the sync facility fails to lock on
to the carrier, but in 9 attempts out of 10, the system works well. The
selectivity of the narrow filter was slightly better than on the previous
model.
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Sensitivity
Another important quality to check for is the set's sensitivity, or its
ability to pick up weak stations. The results here are quite good. Our
sample was very sensitive on all bands and fortunately Sony introduced
an RF gain control. This means that if signals on the 49 metre band in
the European evening get too strong causing distortion, you can reduce
the signal level getting into the set. In addition there's a rather coarser
switch marked DX-LOCAL, which we found was best left on the DX
setting. On the old ICF2001 (released in 1980!) you had to adjust an
aerial tuning "thumb" wheel for best signal strength. This isn't needed on
the ICF2001D. An extra use has also been thought out for the manual
tuning knob. You can use it to set in the built-
in 24 or 12 hour clock, and
the versatile timer. That's clever, the only drawback being that there is
no way to control an external tape recorder with the timer.
Signal strength is displayed on a scale of 10 light emitting diodes, which
also doubles as a battery indicator. A light illuminates the frequency
display for night-time use.
Power Consumption
The old ICF-2001 back in 1980 quickly got a reputation for being very
expensive to run on batteries. It took so much current the batteries got
warm and lasted about 5 hours. The new ICF-2001D takes three Size D
batteries for the radio section, and 3 penlight cells for the computer
section of the receiver. We measured current consumption as 150
milliAmps at an average listening level, which is a vast improvement and
quite economical. You're still better off using mains electricity if possible,
and in many countries the set is (was) supplied with a 4.5 DC mains
power supply.
Looking at some of the other features, there's a headphone jack wired
for stereo which is handy if you want to use the Walkman style
headphones, and a tape-recorder output with a very low level. You have
to use the "microphone" input instead of the "line" input on your tape
recorder, which seems odd. A three position tone control is available, but
the middle setting seems to be sufficient for most types of listening.
Antenna
The set has evidently been carefully matched to the built-in 120 cm
telescopic antenna. There is provision for connecting an external
shortwave and airband antenna, but we found a number of cases where
connecting a 10 metre longwire antenna gave no improvement or even
worse reception. The provision of a shoulder strap indicates it's intended
as a portable receiver, and a power lock switch prevents the receiver
going on accidentally in the luggage. The smaller, cheaper and newer,
ICF-SW-7600G is better suited for the traveller though, unless you plan
to be in one place for a long time. The ICF2001D has a considerably
more audio power than the ICF-SW7600G.
An active antenna, the SONY AN-1, is still advertised as being suitable
for the 2001 series. Under normal signal level conditions in Europe we
did not find it made any improvement on shortwave signals. On medium
wave, the AN-1 was useless, as it is impossible to disconnect the
ICF2001D's internal ferrite rod antenna.
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Prices
More than a decade ago, in 1985, the recommended retail price of the
ICF-2001D in the UK was £366 including VAT, but "normal" shop prices
were between 10 and 15% lower than that figure. In North America, the
set is (was) called the ICF2010 to distinguish it from so-called "grey
market" imports. It was last seen at around 300 US dollars in the shops.
This receiver was sold in The Netherlands for around 1500 Guilders,
1195 at Schiphol Amsterdam airport. Overall this set is excellent for the
serious shortwave listener. It still represents a good buy.
Reviewers: Jonathan Marks and Willem Bos.
© 2003
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