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Magnum 1012 Frequency Modification | Radioaficion Ham Radio

Magnum 1012 Frequency Modification

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CB Radio Magnum 1012 Frequency ModificationCB Radio Magnum 1012 Frequency Modification

Transceiver CB/10 Meter Portable, AM/FM/SSB

Preparing Magnum 1012 for Modification

1. Turn unit off.

2. Open PTT rubber button (as shown below).

3. Locate the 5 solder pads below PTT switch on internal circuit board.

4. Clear solder bridge off pads 4 and 5.

CB Radio Magnum 1012 Frequency Modification

Frequency Modification

The Magnum 1012 has eleven different frequency and mode selections:

Code 1: 10 Meter Band (28.000 - 29.690MHz), AM/FM/SSB

Code 2: 12 Meter Band (24.890 - 24.990MHz), AM/FM/SSB

Code 3: 454 channels (25.165 - 29.655MHz), AM/FM/SSB

Code 4: 454 channels PL (25.160-29.650MHz, '0' Raster), AM/FM/SSB

Code d: German 80 channel CB (26.565 - 27.405MHz), AM(1 Watt)/FM/SSB

Code EU: 40 channel CB (26.965 - 27.405MHz), AM(1 Watt)/FM/SSB

Code E: 40 channel CB (26.965 - 27.405MHz), AM/FM/SSB

Code PL: 40 channel CB (26.960 - 27.400MHz, '0' Raster), AM/FM/SSB

Code U1: UK 40 channel CB (27.601 - 27.991MHz), AM/FM/SSB

Code U2: UK 40 channel CB (26.965 - 27.405MHz), AM/FM/SSB

Code US: USA 40 channel CB (26.965 - 27.405MHz), AM/SSB

Modification Procedure for Codes d, EU, E, PL, U1, U2, and US Only:

1. Make sure that the initial steps 1 - 4, Preparing 1012 for Modification, are completed.

2. Turn OFF unit.

3. Press and hold ML/MS button.

4. Turn ON unit.

5. Release ML/MS button.

6. Radio display will show codes (d - US).

7. Press UP and DOWN buttons to select desired code.

8. Turn OFF unit to set selected code.

9. Turn ON unit again to operate on set code.

Modification Procedure for All Codes:

1. Make sure that the initial steps 1 - 4, Preparing 1012 for Modification, are completed.

2. Turn OFF unit.

3. Open PTT rubber button to expose the 5 solder pads below PTT switch.

4. Use tweezers or other conductive metal object to temporarily short pads 1 and 2 together (see photo above for pad 1 and 2 location).

5. While shorting pads together, turn ON unit.

6. Radio display will show all codes. Note: If the radio display does not show the code, then the pads were not properly shorted together when the radio was turned on and steps 4 and 5 need to be repeated.

7. Press UP and DOWN buttons to select desired code.

8. Turn OFF unit to set selected code.

9. Turn ON unit again to operate on set code. Optional Steps to Permanently Set a Specific Code

10. Turn OFF unit.

11. Permanently short pads 2 and 3 together with solder or a small piece of wire.

12. Turn On unit.

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