Mods for the ADI AT-600

[AudioShockwav]

Extending the Recieve range via keypad

switch set on
press Funct+0(set/sb)
press 14623
switch off then on again

you are in wide band rx mode 100.000 - 199.995 & 300.00 - 499.995

Extending the transmit range via keypad
reset the RX range as above
switch on
press Funct+0(set/sb)
select "PwrOnMsg" from menu
type in 1462311289
display should read "KEY OK! VER1.**"
press Funct+0(set/sb)
you are now in wide band tx mode 100.00 - 199.995 & 300.000 - 499.995

Note although display will show full range tx is not guarenteed.
If Display flashes, the unit has become unlocked, go down in frequency until the unit is in range again and display stops flashing.

Resetting unit to default settings....
switch off unit
press and hold Funct+D whilst switching unit ont
the display will show "RESET?"
press C
unit is then reset to factory defaults, however ALL MEMORIES will be lost.

73
Jeff

 

[daffodil1003]

Thank you so much for the post.
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[IMD262]

This works on the Radio Shack HTX-204 as well.