Modifications for the Adi AR-247

20-04-2000 Out of Band Modification For the ADI AR-247 English language
20-04-2000 S-meter mod English language
20-04-2000 Hold/Resume programming English language

20-04-2000
Out of Band Modification For the ADI AR-247
Author: Bryan Fields, KB9MCI - kb9mci@qsl.net


Extend Receive and transmit from 205.000 MHz to 239.995 MHz.
  1. Take off the bottom cover (it may help to remove both covers), like other ADI radios, there is a red wire that is about 1 inch long in the front of the radio. Cut this wire and seal the ends so it does not short out the microprocessor.

  2. Reset the radio by holding the VFO key and powering the radio on, turn the radio off and then reset the memory by holding the MR/M key while powering the radio on.

Your radio should now receive and transmit from 205-239.995 MHz!

Notes: You may have to reset the radio a few times to get it to work, but it will. I have done this to my radio and it works fine.

Thats all for now, if you discover any other mods please email me.

Happy tweaking,

Bryan Fields, KB9MCI kb9mci@qsl.net

This modification is read 276 times.

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20-04-2000
S-meter mod
Author: Bryan Fields, KB9MCI - kb9mci@qsl.net


The S meter on the 247 is not even remotely actuate. It reads what should be a S-2 signal to be a S-9 signal.

By Turing the Pot VR-1 (it is on the main board next to the VCO) to the left, you can make the meter read more accurately. Though the meter still reads high, it is the best thing that can be done short of changing a resistor in the radio. I may do this in the future but for now I just decided to live with it.

Thats all for now, if you discover any other mods please email me.

Happy tweaking,

Bryan Fields, KB9MCI kb9mci@qsl.net

This modification is read 498 times.

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20-04-2000
Hold/Resume programming
Author: Bryan Fields, KB9MCI - kb9mci@qsl.net


How to do this in the manual is very sketchy. The wording is in very broken English.

Here is how the manual says to do it on page 20 section 5-5-2:

  1. Press the F key for longer than 1 second. The F indicator will Flash.

  2. Within 10 seconds of pressing the F key. This will toggle the Scan/Resume mode to carrier operated mode. And B indicator will be on.

Their procedure does not even tell you what key you have to press. Here is how to do it.

  1. Press the F key for one second.

  2. Tap the F key. A B will appear over the hundreds place in the display.

I think ADI should have the manual retranslated to English here in America. This would prevent misunderstandings from harping.

Thats all for now, if you discover any other mods please email me.

Happy tweaking,

Bryan Fields, KB9MCI kb9mci@qsl.net

This modification is read 710 times.

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