C-150  or Hora c-150 Mods
 

There is no hardware modifications required for the transmit. Both radios, to my understanding, use the
same key strokes for extending the TX and RX ranges. After performing the keystroke mod on my ADI-
145, I was able to increase the TX and RX range from 130.00 to 169.00 Mhz. The ADI-450 range should
extend from 430-470 Mhz using the same keyboard strokes.
1. Start by turning the radio on while holding the function key down.
2. Turn the radio off and while pressing the 3/STEP key on the keyboard, turn the radio back on, the
display should now read 145.000 with a "m" in the lower left corner of the LCD display.
3. Hold the function key down and push the 3/STEP key, the display should read 10. Turn the channel
selector knob clockwise until the display read 05.
4. Hold the function key down and press number 9 on the keypad, the display should now read 00.60.
5. Using the keypad direct entry, enter 30.63, then turn the channel selector knob clockwise until the
frequency reads 30.635.
6. Holding the function key down, press the 3/STEP key, the display should read 05. Turn the channel
selector knob so the display reads 10.
7. Holding the function key down, press the O/SET key on the keypad.
8. Now press number 7 on the keypad, the display should be blank.
9. Using the keypad direct entry, enter
10. To change your TX and RX widths, hold the function key down and press the O/SET key on the
keypad. Release, then press the number 7 key by itself. The display should go blank (as in step
#8). Now using direct entry, enter your RX and TX limits directory from the keypad. For instance, if
you were to input 40.69, your TX and RX would be in the range from 140.00-169.00.
The Modification for the Standard C-150 also applies to the Hora C-150 which is basicly almost the same
radio.

ATTENTION
The KB2LJJ takes no responsibility for any damage during the modification or for any wrong information made on this modification.