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AOR AR800 Operating Manual

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Page 41

AR8000 operating manual
41
AM
Amplitude Modulation - Used by broadcast services throughout the world on
medium wave and shortwave.  AM is also used by VHF Civil airband, UHF
Military airband and some PMR (Private Mobile Radio) and utility services.
NFM
Narrow Band Frequency Modulation - this provides high quality communication
for relatively short distance operation.  FM uses a greater frequency bandwidth
than other modes such as SSB so is less efficient.
NFM is the most common mode used above 30 MHz...

Page 42

AR8000 operating manual
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Small tuning steps of 50 Hz or 100 Hz should be used for tuning in LSB and
other similar modes USB & CW.
The AR8000 being a hand held wide band receiver cannot offer the
receive performance of a dedicated short wave receiver such as the AOR
AR3030 or base wide band receiver AOR AR3000A.  This is due to the
limitation of size, as a result the receiver’s AGC (Automatic Gain Control)
circuitry bandpass circuits and reference stability cannot be as complex.
The AR8000 will however...

Page 43

AR8000 operating manual
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attenuator is OFF.
The selection of attenuator may also be programmed into memory channels
and when defining program search.
Please refer to sections 4-5, 22 & 23 of this manual for further information
regarding aerial suitability, and filters.
6-13 [B SCP] band scope operation
A band scope facility has been provided so that adjacent channels can be
monitored graphically for activity.
The band scope may be operated in 1VFO or 2VFO mode but cannot be
used while in scan mode,...

Page 44

AR8000 operating manual
44
To deactivate the bandscope, repeat the key sequence [FUNC] [7] or press the
[2VFO], [SRCH] or [SCAN] keys.
(7) Memory banks & channels
It is very convenient to store commonly used frequencies into a memory bank
along with mode and attenuator status, this saves having to key the data in
over and over again.  Memory recall is very straightforward and quick when
compared to retyping all data.
Think of memory channels as pages in a notebook each of which is numbered
to identify...

Page 45

AR8000 operating manual
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During the manufacture and testing of the receiver, various test frequencies are
entered into the receiver’s memory banks so the memory locations are unlikely
to be completely blank.
Note: Where memory banks etc are empty the indication “- - -” is often
displayed.
7-1 Storing receive data into memory - memory input in VFO mode
Lets assume that you wish to store the frequency of 88.3 MHz with the
attenuator Off into memory bank “A” location “00” (A00) while in VFO mode.
Start by...

Page 46

AR8000 operating manual
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If you are happy with the alphanumeric description press [ENT] and the display
will return to VFO mode.
At any time you may abort the memory input by pressing the [CLEAR] key, the
display will return to VFO mode.
7-2 Memory recall (M.R) - Recalling receive data from memory
Once receive frequency and mode data has been stored into a memory
location, its retrieval is quick and simple.
Let’s assume that you wish to retrieve the frequency of 88.3 MHz which has
been programmed into...

Page 47

AR8000 operating manual
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Note: If you have activated the PASSWORD protection, it is not possible
to access memory banks a, b, c, d, e, f, g, h, i, j until the password has
been keyed in each time the set has been switched On.  Please refer to
the PASSWORD section (9) of this manual for further information.
7-3 Transfer of memory channel to VFO
Should you wish to tune away from the memory channel and benefit from not
having to re-enter the frequency, mode, attenuator setting, channel step and
step...

Page 48

AR8000 operating manual
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[9] [2] [.] [7] [ENT] to select the desired frequency, the mode and step
size will be automatically set by the AR8000 microprocessor.
Press and hold the [ENT] key for more than
one second to enter memory input mode.
Press [1A] [0] [0] [ENT] [ENT] to over-write the
previous data.
At any time you may abort the memory input by
pressing the [CLEAR] key, the display will return to
VFO mode.
8-2 SET EDIT-CH - editing, copying, moving and swapping
memory channels
Comprehensive memory...

Page 49

AR8000 operating manual
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“COPY-MODE” to indicate that a sub menu has been selected.
The cursor will be positioned over the memory bank identifier (LETTER).  Use
the [DIAL] or keypad to select the memory channel which you would like to
copy (like the original of a photo copier!).
The third line will alternate between MODE and STEP while the fourth line will
alternate between TXT and FREQUENCY so that easy identification of the
desired memory channel may be made.
Once you have chosen the desired memory...

Page 50

AR8000 operating manual
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8-4 MEMORY CHANNEL COPY - alternative method using memory recall
Other AR8000 facilities may be manipulated in order to achieve data copying
of memory channels.  In particular memory recall and memory input may be
used to copy frequency, mode and step data but not alphanumeric comment
to another memory location.
To carry out the same example as shown in section 8-3 (COPY-MODE) but
copying the data of memory channel “A00” to “C23” proceed as follows:
Press [SCAN] to access...
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