Not sure which 655 you have? Which 655 do I have?
Use this page first when programming an SR-655HPC. Pick your radio version, then your Windows version. You do not need a new USB cable for Windows 11. You need the driver listed below. Do not search Prolific.com for a driver.
Use 655 software only. Do not load a 955 installer or a 955 .Dat file into a 655.
All current software files: strykerradios.com/software-dowloads-10-meter-radio.
1. Which 655 do I have?
| What it is called | Programming software | How to spot it |
|---|---|---|
| Classic / Version 1 | SR-655HPC Software on the downloads page | Full-size case, no vents |
| Version 2 | SR-655HPC Software Version 2 | Full-size case with vents |
| HPC+ (people often say “V3”) | SR-655HPC+ Software | Short chassis with vents |
USB cable: same special Stryker cable as the 955 and 447HPC2. Many 655 boxes do not include it. Do the SR-655HPC, SR-955HPC, and SR-447HPC2 use the same USB cable? · Buy the cable.
2. Which Windows driver?
Install the driver before you open the Stryker software. Leave the radio powered on when you Read or Write.
| Windows | Use this driver |
|---|---|
| Windows 11 | Prolific 3.8.25.0 from Windows 11 Programming Software Driver. The newest driver from Windows Update is not compatible. |
| Windows 10 | If the current driver fails, use the installer on Drivers for Windows 10. |
| Windows 7 / 8, or a stubborn classic V1 | Prolific 3.2.0.0 from Win_Driver_Prolific_3.2.0.0.exe. Lock it so Windows cannot replace it. |
Walkthrough: Programming Software Setup Help Video.
3. If something still fails
- Display says PC — same as the 955: unplug the cable, power cycle. Why does my SR-955HPC display say PC? (same steps on a 655.)
- Lost channels after a write — I programmed my radio and lost channels. Always Read from Radio before you Write.
- Radio must be powered on — When programming does the radio need to be powered up?
955 owners: Programming the SR-955HPC.
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