1 Introduction Thank you for purchasing the AR7000 wide band all mode receiver. The AR7000 is designed using DSP (Digital Signal Processing) tech
Push [0] [.] [9] [5] [4] [ENT] From there rotate the main dial to tune around the medium wave band radio stations. {figure 13} B Memory mode
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
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
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 th
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
{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, ro
away from adjacent channel interference, especially on the short wave and medium wave bands. {figure 36} Operating the IF Shift Press the [IF SFT
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 ac
Receive Mode Selection of IF BW USB/LSB 2kHz, 2.5kHz, 3kHz CW1,CW2,CW3 50Hz,150Hz,250Hz,500Hz,800Hz AM
{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. Me
4 Index 1 Introduction ...………. 1 2 Supplied Accessories ...…. 1 3 For your safety ...
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. T
{figure 54} The Name Edit screen will be displayed. Your desired text ident may now be entered or edited. Use the [↑] and [↓] keys to select cha
{figure 60} B Selection of distant memory (destination) Press the [ENT] key when the cursor “>” is next to the “Dist”. The channel number of
B Selection of distant memory channel Press the [ENT] key when the cursor “>” is next to “Dist”. The channel number of the distant memory wil
between channel number and bank number. Rotate the main dial to select the desired memory channel and bank number for the distant memory channel.
Search: The AR7000 steps through the frequency spectrum looking for transmissions, the squelch control needs careful setting so that the backgro
The squelch threshold is shown as a light blue horizontal line, when temporarily stopped, a vertical dark cursor bar indicates current receive frequ
The manual scan process will stop as soon as an active signal above squelch threshold is received. The scan will resume when such signal has disap
{figure 85} When an active signal has been found the program search will stop. The search will resume when the active signal has disappeared and
key to accept the input for each character. Other options include Insert, Delete, Space and Quit. Refer to section 7 of this manual for further de
2.6 Transfer data from dial to memory... 29 3 Memory mode...…… 30 3.1 Display...
Note: When inputting start and stop frequencies, the AR7000 automatically assigns the lower frequency to the START and upper frequency to the STOP
O N: When active signals above the squelch threshold have been received, such signals will be automatically stored in the empty channels of the desi
Having selected the desired program scan number, push the [RUN/BRK] key to start the program scan. {figure 99} The scan process will temporarily
C Stop time Push the [ENT] key when the cursor is placed alongside the item “Stop Time”. Rotate the main dial or push the [←] [→] keys to select t
{figure 105} G Quit Push the [ENT] key when the cursor is placed alongside the item “Quit”. The LCD will revert to whatever mode was active befo
6.2 Time The AR7000 is equipped with one main clock plus four sub-clocks. Push the [ENT] key when the cursor is placed alongside the item “Clock
A-1 Time difference Place the cursor alongside “S. Diff”, press [ENT]. The time difference will be reverse highlighted on the LCD, rotate the mai
{figure 122} 6.3.4 Operation of timer Place the cursor alongside “Operation”, press [ENT]. The field initially displays “- - -“. Rotate the ma
2. In the timer selection menu, select the hour/minute the AR7000 is to be switched off. 3. Select the “Operation” item and choose “POWOFF” followe
are involved. The more erratic the transmission, the longer the squelch tails should be. {figure 131} 6.6 Priority Any one of 1500 memory chann
6 Care and maintenance Look after your AR7000 and you should enjoy many years of monitoring. There are no internal operator adjustments. In the u
2. Input cursor The cursor indicates the position where input will be made. 3. Select cursor The select cursor indicates a selection of letter/
8.1 Video output PAL and NTSC composite output is switchable via the rear panel video switch. When PAL format is selected the built-in LCD displa
check the condition of the batteries regularly to avoid damage due to leakage from exhausted batteries. 12 Reference data 12.1 Specification Fre
0.1A (switched off) Memory Memory channel 1500ch (15 bank x 100ch) Program search 8 Program scan
Providing the AR7000 is powered, ensure the rear panel PAL/NTSC slide switch is set to NTSC otherwise the internal display will be disabled. 3. I
Table-top active short wave loop aerial. Supplied with two elements as standard covering from 1.6MHz to 5.0MHz and 5.0MHz to 15MHz. Operates from
7.1 Front Panel {figure 1} 7.1.1 Power Switch Press this switch to power the radio on/off. In addition the separate infrared remote controller
{figure 2} 7.2.1 AUX connector This 8-pin 270º DIN socket provides output for audio, squelch switching, etc. Refer to section 10 of this manual
This 3.5mm jack socket is provided for connection to an external speaker (8 OHMS). Audio level is variable via the volume control. When an external
Main dial is used to tune through the receive frequency. Also used to select receive mode, squelch level, IF BW and AGC. [ENT] Determine the sele
Press the [SQL] key. The SQ legend on the LCD will reverse to negative image. Push the [SQL] key again to toggle “OPN” (open) and “S0 ~ S9, +10, +
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