AOR ARD9800 Receiver Instruction Manual

 
 
 
FAST RADIO MODEM 
ARD9800
ARD9800ARD9800 ARD9800 
Instruction Manual 
 
 
 
 
 
 
 
 
 
 
 
 
 
Multi-Mode And Digital Voice Interface 
 
AOR, LTD. 
 
Authority On Radio communications 

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Thank you for purchasing the AOR ARD9800 Multimode and Digital Voice Interface. 
 
The ARD9800 is designed to convert your HF radio equipment to a multi mode and digital voice 
capable radio without performing any modifications to your transceiver. 
 
Please read through this instruction manual and familiarize yourself with the operation of the ARD9800
. 
We suggest you keep this instruction manual for future reference. 
 
We believe you will enjoy using the ARD9800 as an enhancement to your...

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Features: 
 
z Digital voice communications using existing analog 2 way radios. 
The ARD9800 uses the same audio frequencies (300 Hz ~ 2500 Hz) as microphone audio to 
modulate the voice signal. This allows you to use an analog  radio as a digital voice transceiver. 
z Digital voice communications in the Single Side Band (SSB) mode. 
The automatic frequency clarifier function adjusts frequency drift automatically in the SSB mode. 
(Approximately up to +/- 125 Hz).  Utilizes the ODFM (Multi...

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Information to the Digital Device user required by the FCC 
 
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 
15 of the FCC Rules.  These limits are designed to provide reasonable protection against harmful interference in a 
residential installation. 
 
This equipment generates, uses and can generate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference to radio...

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Table of Contents 
                                                                                                   
Page 
Supplied Accessories -----------------------------------------------------------           5 
Controls and functions  ---------------------------------------------------------           5 
Front Panel    -------------------------------------------------------------------            5 
Rear Panel    --------------------------------------------------------------------...

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Supplied Accessories 
               
   
The following items are provided in the box: 
  
Accessory                                           Quantity 
----------------------------------------------------------------
       
 
 
Microphone                                    1 
PC interface cable                                   1 
Speaker Cable                                         1 
DC Power cable                                      1 
Microphone Connector                         1...

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switch will enable output of the video signal connected to the Video Input to also be sent 
to the video output port, so that you can monitor the video image. Press this switch again  
to capture and send the image through the radio equipment.  
 
W hen the Video Through Function is de-activated (AVT command is OFF), pressing  
this switch will automatically capture the video image and then transmit it through the 
radio equipment. 
     
Refer  to : Operation  -- Digital Image Communication at page...

 7 
 
(This adjustment may be required when using a microphone other than the one that came 
 with your AR9800.) 
           
Refer to Microphone Level Adjustment  at  page 17 for details. 
In case of unbalanced levels between analog voice and digital voice, perform a 
microphone balance adjustment as described below. 
 
Microphone Balance  
1.  At first, set the proper microphone level in the digital voice mode. 
2.  Turn off the power to the ARD9800. Press and hold the TX switch then turn the 
 power...

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j.     Microphone connector 
  Connect the supplied microphone to this connector. 
Below are the pin assignments of the connector. 
 
1.  Speaker output  -- Monitor output signal is present at this pin. 
2.  BIAS -- Power source for an electret condenser type of microphone. 
5V DC through 2.2Kohm of resistor  
3.  GND -- Chassis ground  
4. TX 
Taking this pin to the ground will enable the transmit mode. 
(Same operation as the TX switch on the front panel.) 
5. D/A 
Taking this pin to the ground...

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k.  Communication Connector (mini DIN 8 pin) 
A communication connector for PC  (RS-232C) 
 
     Pin Number                              Signal             Signal Direction 
  1                                           TX                                     ARD9800