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IC-900 Modifications | Radioaficion Ham Radio

IC-900 Modifications

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ICOM IC-900

EXPANDED RF / CROSS BAND REPEATER

1. Open Control Head

2. Locate Diode Matrix on Display B board of Control Head.

3. Add and remove Diodes according to drawing

4. Reassemble control Head.

5. Open Interface A unit.

6. Change the switch position from "1" (factory) to "2" on interface A board (below the tone units).

7. Reassemble Interface A.

8. Reset the microprocessor. (Press and hold [MR] and turn power off and back on)

ICOM IC-900 EXPANDED RF / CROSS BAND REPEATER

CROSS BAND REPEATER PROCEDURES (Simplex Freqs only)

TURN ON - Turn LOCK switch ON.

TURN OFF - Turn LOCK switch OFF.

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