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- Subject: ADI AT-201 Mod
-
- Expanding the RECEIVE and TRANSMIT frequency range of the
- ADI AT-201 (for export only) 130-163.995 mHz 18 Jul 96
-
- NOTE! The first step is the microprocessor master reset and
- will erase ALL memories.
-
- 1) Press F and CALL while turning radio on. Display will
- show all digits. Release F and CALL. Display reads 145.00.
- Turn radio off.
-
- 2) While pressing the(3)and the(CALL) button, turn the
- radio on. Display will show a (3).
-
- 3) Turn radio off and then on again. Radio will now
- display between 100.000 and 179.995 mHz. PLL will lock and
- receive between about 130-170 mHz. It transmit between 144-
- 147.995 mHz only. Flashing display indicates unlock.
-
- To transmit from 130-163.996 mHz, continue:
-
- 4) Change step size to 5 kHz by pressing F and 3 and
- rotating dial knob one click to the left. Display reads 05.
-
- 5) Press F and 9. Display reads 00.60. Change it to read
- 30.6350. The last two digits look like a tiny [50]. It
- takes many turns of the dial knob to do this step. Pressing
- the function button while turning the knob will speed up the
- process by incrementing in 100 kHz steps.
-
- 6) Change step size back to 10 by pressing F and 3 and
- rotating the dial knob one step to the right.
- Display reads 10.
-
- 7) Press F and 0.
-
- 8) Press 7. Display reads . (period)
-
- 9) Press the numbers 3 0 6 3
-
- 10) Press *. Display reads 130.00
-
- After modifying the radio, you may change the band limits.
- Example: Set limits to 148-169.995 mHz
-
- 11) Press F and 0. Press 7.
-
- 12) Press the numbers 4 8 6 9
-
- 13) Press *. Tx/Rx range is now 148-169.995
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