AOR AR7000 Wideband Reciever Quick Reference Guide

							 
  graphically show such radio activities while the search is in progress (rather like an 
aeroplane vapour trail).  It is possible to tune the radio by tracing a cursor onto the 
frequency you want to monitor (using the main dial).  There are two types of search, 
Manual search and Program search. 
 
 
C-1 Manual search 
 
When the AR7000 is in the “DIAL” mode (either VFO-A or VFO-B on the upper line of 
the large frequency readout) the manual search can be used. 
 
1. Push the [RUN/BRK] key while in dial mode to initiate the manual search. 
“M.SEARCH” is shown along with “Run” on the LCD while the search is in progress. 
 
{figure 16} 
 
Resultant spectrum analysis will be shown as the search progresses.  When a signal 
above the squelch threshold is received, the search will stop at that point until such 
signal has disappeared and squelch closes. 
 
2. You can force the manual search to resume by rotating the main dial (whichever 
direction you desire, up or down). 
 
3. Press the [RUN/BRK] key to stop the search, the legend “Brk” confirms break 
(pause) on the LCD. 
 
{figure17} 
 
While the search is stopped in this situation, you can tune to other frequencies within 
the display window by rotating the main dial, a cursor follows the frequency spectrum 
on the screen.  Active signals will be audible, the squelch may be adjusted as 
required. 
 
4. Press the [ENT] key in the manual search mode if you wish to return to the dial 
mode still retaining the present frequency.   
 
Press the [ESC] key in the manual search mode if you wish to return to the dial mode 
but with the frequency you were originally receiving before you switched to the 
manual search mode. 
 
 
C-2 Program search 
 
In the program search mode, the AR7000 will step through the pre-programmed 
frequency spectrum in the specified increment size.  The AR7000 is equipped with 8 
program search banks, number 0 to 7. 
 
 1. Press the [SEARCH] key while in the dial mode or memory mode, the program 
search menu will then be displayed on the LCD.  
 
{figure 18} 
 
2. Rotate the main dial to select the desired program search bank number 0 to 7. 
  
						

							 
  3. Push the [RUN/BRK] key to start the program search process, the LCD displays 
the legends “P.SEARCH” (in light blue) and “Run” (in red) to confirm selection. 
 
{figure 19}   
 
Remember, the squelch must be advanced high enough to cancel the background 
noise or the search process will not progress as the AR7000 will 
think that it has 
found a busy frequency.  Press [SQL] and rotate the main dial clockwise until 
background noise in cancelled then press [ENT] to accept the new value. 
 
Resultant frequency spectrum analysis will be displayed on the lower section of the 
LCD (in green) as the search process advances.  Strong signals appear as high 
vertical bars and weak or no signal as low bars.  When a signal above the squelch 
threshold is received, the search process will stop on the active frequency and you 
will hear the transmission (if the volume is high enough) until the busy signal has 
disappeared (or in case of time controlled search is selected, after the specified time 
has elapsed).  Rotate the main dial to force the search onward. 
 
When the search reaches the top frequency limit, the search jumps back to the 
lowest frequency limit then advances forward again (depending on setting of forward, 
reverse, loop or link in the configuration menu). 
 
4. Push the [RUN/BRK] key while the program search is in progress to stop the 
search. The legend “Brk” will be will be displayed in place of “Run” on the LCD. 
 
{figure 20} 
 
You may manually tune around by rotating the main dial, a cursor (vertical dark band 
through the spectrum display) follows your movement through the limits of the display 
window. 
 
5. Push the [ENT] or [ESC] key to return to the program search menu to make 
changes or to select a different search bank.  
 
6. Push the [ESC] key to return to the operating mode before the program search 
process began. 
 
 
D  Scan mode 
 
D-1 Manual scan 
 
1. While in the memory mode (press the [¬] or [®] key until “MEMORY” is 
displayed) press the [BANK] key.  The bank number legend will reverse contrast on 
the LCD.  Rotate the main dial to select the desired bank number, there are 15 scan 
banks numbered 0 to 14, accept the selection by pressing [ENT].  
 
{figure 21} 
 
 
2. Push the [RUN/BRK] key, the legend “M.SCAN” will appear on the LCD to confirm 
selection and the scan process will start.  
 
{figure 22}  
						

							 
   
Remember, the squelch must be advanced high enough to cancel the background 
noise or the scan process will not progress as the AR7000 will 
think that it has found 
a busy channel.  Press [SQL] and rotate the main dial clockwise until background 
noise in cancelled then press [ENT] to accept the new value. 
 
Resultant frequency spectrum analysis (representing channel activity) will be 
displayed on the lower section of the LCD (in green) as the scan process advances.  
Strong signals appear as high vertical bars and weak or no signal as low bars.  When 
a signal above the squelch threshold is received, the scan process will stop on the 
active channel and you will hear the transmission (if the volume is high enough) until 
the busy signal has disappeared.  Rotate the main dial to force the scan to resume in 
whichever direction you choose. 
 
3. While the scan is stopped, rotate the main dial to force the scan resume.  When 
the scan reaches the top channel number, it reverses back progressing toward the 
lowest channel number, then advances forward again. 
 
4. Push the [RUN/BRK] key while scanning.  The scan will stop and the legend “Brk” 
will be displayed on the LCD.  Rotate the main dial to step through the memory 
channels, a cursor (vertical dark band through the spectrum display) follows your 
movement through the limits of the display window. 
 
{figure 23} 
 
5. Push the [ENT] key while scanning.  The receiver will return to the memory mode 
retaining the present frequency.  Push the [ESC] key to go back to the memory 
channel used prior to the selection of manual scan mode. 
 
 
D-2 Program scan 
 
1. Press the [SCAN] key while in dial mode or memory mode.  The program scan 
menu will appear on the LCD.  
 
{figure 24} 
 
2. Rotate the main dial to select your desired program scan group number.  There 
are eight program scan groups 0 to 7.  These are not the same as the 15 memory 
banks, but are special program scan groups where start / stop memory banks & 
channels may be nominated along with direction of scan, time controlled scan value 
etc.  Any number of adjacent memory channels and banks may be nominated for 
start / stop limits for each of the eight program scan groups. 
 
3. Push the [RUN/BRK] key, the legend “P.SCAN” will be displayed along with the 
legend “Run”.  The program scan process will commence for the chosen memory 
group (providing memory channels contain data).  
 
The scan will stop when the active signal above squelch threshold is received.  The 
scan resumes either when such signal has disappeared, or in case of time controlled 
scan, when the pre-determined time has elapsed.  Rotate the main dial to force the 
scan to resume.  
 
{figure 25}  
						

							 
   
4. Push the [RUN/BRK] key while scanning to pause the scan process.  The scan will 
stop and the legend “Brk” will be displayed on the LCD.  Rotate the main dial to step 
through the memory channels, a cursor (vertical dark band through the spectrum 
display) follows your movement through the limits of the display window. 
 
{figure 26} 
 
5. Push the [ENT] or [ESC] key to return to the program scan menu to make changes 
or to select a different scan group.  
 
6. Push the [ESC] key to go back to the operating mode in use prior to program scan 
selection. 
 
 
AR7000 Reference manual 
 
1. Basic operation 
 
1.1 Selection of the basic operating mode 
 
Push the [®] key to advance the operating mode clockwise, VFO-A to VFO-B to 
MEMORY to VFO-A..., push the [¬] key to select anti-clockwise.  
 
{figure 27} 
 
{figure 28}  
 
{figure 29} 
 
 
1.2 Audio volume 
 
Push the [­] key to increase the audio volume, push the [¯ ] key to decrease (lower) 
the audio volume level. 
 
{figure 30} 
 
 
1.3 Key lock 
 
Push the [K.Lock] key to lock the keypad of the radio, this is useful to prevent 
accidental frequency change, the LCD legend “Lock” confirms operation.  Push the 
[K.Lock] key again to disengage the lock as a toggle. 
 
{figure 31} 
 
 
1.4 Squelch control 
 
To set the squelch permanently open 
 
Press the [SQL] key so that the “OPN” legend appears on the LCD followed by 
[ENT].   
						

							 
   
{figure 32} 
 
 
To adjust the squelch threshold level 
 
Press the [SQL] key to toggle “OPN” and “S-meter value”.  While S-meter value is 
indicated, rotate the main dial or push the [®] or [¬] keys to vary the squelch S-
meter value.  
 
Push the [ENT] key when you have selected the desired value.  
 
{figure 33} 
 
The squelch value is indicated as a blue line displayed underneath the S-meter. 
 
Note: The scan/search will only begin when the background signal (noise) is below 
squelch threshold. 
 
 
1.5 AGC setting 
 
The AR7000 is provided with AGC (Automatic Gain Control) positions, “FAST” and 
“SLOW”.  Each press of the [AGC] key toggles between the FAST and SLOW 
positions.  A fast setting is usually best for CW operation when receiving Morse code 
and other data modes, at all other times SLOW is usually the best choice. 
 
{figure 34} 
 
 
1.6 ATT (Attenuator) setting 
 
The AR7000 is equipped with a 10dB RF attenuator, this can be useful for reducing 
the effect of strong local signals which otherwise may lead to “mixing” inside the 
receiver’s circuitry (common to all receivers).  Each press of the [ATT] key will toggle 
the attenuator ON and OFF.  
 
The legends have the following meaning: 
 
  ATT   Attenuator legend represents ON, set is least sensitive. 
 
    No legend.  Set is most sensitive, attenuator OFF. 
 
Note: Do not be confused by the “OFF” legend under the attenuator status, this 
refers to the IF SHIFT facility. 
 
{figure 35} 
 
 
1.7 IF Shift (WFM,AM,CW,USB,LSB only) 
 
The AR7000 is equipped with an IF SHIFT control which can vary the centre 
frequency of the IF within a range of +/-8500Hz at a rate of 100Hz without affecting 
the received signal.  This feature is very useful for moving the receive passband  
						

							 
  away from adjacent channel interference, especially on the short wave and medium 
wave bands. 
 
{figure 36} 
 
 
Operating the IF Shift 
Press the [IF SFT] key, the IF SHIFT legend will reverse to a negative image to 
confirm selection.   
 
Each press of the [IF SFT] key will toggle the status between current value and OFF.  
Either rotate the main dial or press the [®] or [¬] keys to vary the IF shift frequency 
as required.  Press the [ENT] key when the optimum IF Shift frequency is obtained. 
 
 
2 Dial Mode 
 
Both types of dial mode (VFO-A) and (VFO-B) operate in exactly the same manner. 
Both are referred to here as dial mode. 
 
 
2.1 Display 
 
An example of the LCD display is shown here when dial mode is selected. 
 
{figure 38} 
 
Note: Mch 03/02 represents the memory channel number 3 on the memory bank 
number 2. 
 
 
2.2  Frequency Selection 
 
Direct entry via key-pad 
Push the numeric keys to enter the frequency in a MHz order followed by [ENT], use 
the decimal point after the MHz entry such as [8] [1] [.] [3] [ENT] for 81.300 MHz, 
there is no need to use proceeding or trailing zeros. 
 
{figure 39} 
 
Tuning via the main dial 
Rotate the main dial while in dial mode to tune through the frequency spectrum at 
the pre-determined step size.  Clockwise rotation increases frequency while ant-
clockwise rotation decreases frequency. 
 
 
2.3 Selection of frequency step 
 
The step size cannot be altered while the AR7000 is in AUTO MODE (while the 
legend “AUT” displayed on the LCD), select another receive mode then press the 
[STEP] key.   
 
The step frequency legend will reverse to negative image.  Tap in an appropriate 
step size via the key-pad using kilo Hertz format (thousands of Hz) followed by [ENT],  
						

							 
  i.e. for 25 kHz type [2] [5] [ENT].  Acceptable step size is anything between 0.01 kHz 
(10 Hz) and 1000 kHz (1 MHz).  The back space key [¬] will act as delete key if a 
mistake is made.  
 
When AUTO MODE is selected, the step size is selected automatically by the 
AR7000 CPU appropriate to the market area, this is taken from a detailed bandplan 
entered into the AR7000 during manufacture. 
 
{figure 40} 
 
 
2.4 Selection of receive mode 
 
The AR7000 provides the following receive modes:- 
 
AUT:  When auto mode is selected, the AR7000 automatically selects the 
appropriate step size, IF BW and receive mode on your behalf using its factory pre-
programmed band plan data. 
 
USB:  Upper Side Band, used by radio amateurs, prolific on the HF bands.  Also 
used by commercial HF utility stations. 
 
LSB:  Lower Side Band, used by radio amateurs below 10 MHz. 
 
CW1:  CW with a 400Hz beat tone, Continuous Wave = Morse code. 
CW2:  CW with a 600Hz beat tone 
CW3:  CW with an 800Hz beat tone 
 
AM:   Amplitude Modulation, LW, MW & HF broadcast, airband. 
 
NFM:  Narrow band Frequency Modulation, most point to point communications on 
VHF/UHF. 
 
WFM:  Wide band Frequency Modulation, Band-II VHF, TV 
 
Selection of Receive Mode 
Press the [MODE] key.  The LCD legend displaying the receive mode will reverse to 
a negative image.   
 
{figure 41} 
 
Either rotate the main dial or press the [¬] or [®] keys which carousel through the 
receive modes as per diagram.  Press [ENT] when the desired receive mode is 
displayed. 
 
{figure 42} 
 
 
2.5 Selection of IF bandwidth 
 
The AR7000 can be operated using the various bandwidths in accordance with the 
table below:-  
 
{figure 43}  
						

							 
   
Receive Mode    Selection of IF BW 
USB/LSB               2kHz, 2.5kHz, 3kHz 
CW1,CW2,CW3         50Hz,150Hz,250Hz,500Hz,800Hz 
AM                    3kHz,6kHz,8kHz 
WFM                   150kHz 
NFM *                  15kHz-H,  15kHz-L 
 
* NFM mode operates with a fixed 15kHz IF bandwidth but with the selectable option 
of wide audio frequency response (15kH) and narrow response (15kL). 
 
The wider the filter, the better the audio fidelity… there is an increased chance of 
adjacent channel interference with a wider IF bandwidth.  The best setting will 
depend upon listening conditions. 
 
Selection of IF BW (IF bandwidth) 
Press the [IF BW] key. The LCD legend displaying the IF BW will reverse to negative 
image.  Either rotate the main dial or press the [¬] or [®] keys to select an 
appropriate IF bandwidth.  Press the [ENT] key when the desired IF BW is selected.  
 
{figure 44} 
 
 
2.6 Transfer data from dial mode to memory 
 
Press the [FREQ] key while in the VFO mode, do not hold the key… just a quick tap 
will do!  The current (top) frequency on the LCD will turn to a red colour.  Press the 
[ENT] key to transfer the receive data (frequency, receive mode, AGC, ATT, SQ 
setting) to the next available memory channel of the present bank. 
 
 
3  Memory mode 
 
The AR7000 is equipped with a total of 1500 memory channels arranged as 15 
memory banks 0 to 14, each containing 100 channels numbered 00 to 99.  Each 
memory channel can be tagged with a text ident of up to seven characters. 
 
 
3.1 Display 
 
A typical example of the memory channel mode is as follows: 
 
{figure 45} 
 
The memory channel mode looks similar to the VFO mode with the following 
exceptions:- 
 
1) A text ident (comment) may be shown should you choose. 
 
{figure 45} 
 
2) Memory channel number and memory bank number are shown as per the 
illustration:- 
  
						

							 
  {figure 45} 
 
 
3.2  Memory channel 
 
In the memory channel mode, either rotate the main dial to select the memory 
channel or use the [¬] [®] keys.  Memory channels with no valid data will be ignored 
(skipped = not shown). 
 
 
3.3  Memory bank 
 
In the memory mode, press the [BANK] key.  The LCD bank legend will reverse to a 
negative image.  Either rotate the main dial or use the [¬] [®] keys to select the 
memory bank.  Press [ENT] when the desired bank number is displayed.  
 
{figure 46} 
 
 
3.4 Transfer data from memory to dial mode 
 
While in memory channel mode, press the [FREQ] key (only a quick tap is required).  
The frequency of the displayed memory channel will turn red, press [ENT].   
 
{figure 47} 
 
The frequency data will be transferred to VFO-A (which is always the bottom 
displayed VFO while in memory recall mode). 
 
{figure 48} 
 
 
3.5  Memory data edit 
 
Press the [EDIT] key while in the dial mode or memory channel mode.  The memory 
edit menu will be displayed. 
 
{figure 49} 
         
Each press of the [­] or [¯] key will move the “>” (red cursor) up and down.  Place 
the cursor “>” along side the function which you would like to perform, followed by 
[ENT].  
 
 
3.5.1  Channel Edit and Delete 
 
When the Ch Edit/Del menu is selected (as per section 3.5) the LCD will show:- 
 
{figure 50} 
 
                
A Selection of memory channel to edit 
  
						

							 
  Press the [EDIT] key to select the memory function menu.  While the “>” cursor is 
along side the menu item “Ch Edit/Del”, press the [ENT] key.  The memory edit 
menu will be displayed, a quick press of the [¬] or [®] keys will highlight the 
CHANNEL (00 to 99) and BANK numbers (00 to 14) as a toggle by displaying a 
negative image over the required selection (do not hold the arrow keys too long, just 
a quick press is required).   
 
Rotate the main dial to scroll through memory channel numbers or bank numbers as 
appropriate.  Memory channels with no valid data or items with no specific data 
stored will be displayed as “- - - -“. 
 
 
B Selection of data to edit 
 
While in the memory edit menu, press the [­] or [¯] key to move the red cursor “>” to 
the position where you wish to edit (frequency, mode, IF-BW, Name, Ch Pass, Ch 
Delete) followed by [ENT]. 
 
 
B-1  Change of frequency 
 
Place the cursor “>” along side the receive Frequency followed by [ENT].  The 
present frequency will change to a negative image.  Tap in the new desired 
frequency via the numeric keypad followed by [ENT].  
 
{figure 51} 
 
 
B-2 Change of receive mode 
 
Place the cursor “>” along side the receive Mode followed by [ENT].  The present 
receive mode will change to a negative image.  Either rotate the main dial or press 
the [¬] or [®] keys until the desired receive mode appears (USB, LSB, CW1, CW2, 
CW3, AM, NFM, WFM, AUT).  Press [ENT] to confirm your selection.  
 
{figure 52} 
 
 
B-3 Change of IF-BW 
 
Place the cursor “>” along side the IF-BW followed by [ENT].  The IF-BW will turn to 
a negative image.  Either rotate the main dial or press the [¬] or [®] keys until the 
desired IF-BW appears (the selection available depends on current receive mode).  
Press [ENT] to confirm your selection.  When AUT has been selected as the current 
receive mode, IF-BW will be automatically selected by the AR7000 CPU mapped 
band plan, for this reason you cannot change the IF-BW when AUT receive mode is 
selected, the IF-BW will display “- - - -“ and cannot be changed. 
 
{figure 53} 
 
 
B-4 Change of text/ident 
 
Place the cursor “>” along side the test ident Name followed by [ENT].