2. Remove the two screws on the back of the set that hold the top cover on and remove the top cover by sliding it back and lifting it up.
3. Looking at the rear of the front panel, on the left hand side, you will see two diodes marked D503 (upper) and D502 (lower). There will be two other slots without diodes.
4. Carefully, clip the lead of diode marked D502 (the lower of the two diodes).
5. Replace the cover and plug in the PRO-2005.
This procedure resotores the inhibited 800 MHz frequencies in 30 kHz steps.