Uvod
The Stryker SR-655HPC is a high-performance 10 Meter Amateur Radio designed for reliable and clear long-range communication. This radio features a unique design for high power output, utilizing four IRF-520 MOSFET transistors to achieve 60+ watts PEP. It is equipped with an 8-color LED-backlit faceplate with dimmer control, ensuring comfortable viewing in various lighting conditions. The SR-655HPC supports AM, FM, and SSB modes, and includes advanced features such as variable transmit frequency response, receiver tone control, digital echo, and multiple Roger beeps.

Figure 1: Stryker SR-655HPC 10 Meter Amateur Radio with connected microphone.
Ključne značilnosti
- Visoka izhodna moč: Utilizes four FQP13N10 MOSFET transistors for 70W PEP.
- Delovanje v več načinih: Supports AM, FM, and SSB.
- Brilliant 7-Color LED Backlit Faceplate: User-selectable colors or automatic scanning, with 32-position dimmer control.
- Advanced Audio Features: Loud & Clear Receiver, Excellent Stock Mic, Digital Echo with dual front-mounted controls, Variable Talkback Control, Six Roger Beeps.
- Nadzor frekvence: Advanced Clarifier, VFO (Variable Frequency Oscillator), PC Programmable.
- Up-Armored Receiver: Exclusive receiver protection for superior adjacent channel rejection, even in high-interference environments.
- Digital Frequency Display: 7-Color frequency display.
Nastavitev in namestitev
Pravilna nastavitev je ključnega pomena za optimalno delovanje in varnost. Preden vklopite enoto, se prepričajte, da so vse povezave varne.
1. Napajalni priključek
Connect the radio to a stable 13.8V DC power source. A 14.2V source is recommended for best performance. Ensure correct polarity (red to positive, black to negative) to prevent damage to the unit.
2. Antenska povezava
Connect a suitable 10-meter amateur radio antenna to the UHF SO239 connector on the rear of the radio. Use high-quality coaxial cable with proper impedance (typically 50 ohms) for efficient power transfer and minimal signal loss. Ensure the antenna is properly tuned for the 10-meter band.
3. Priključek za mikrofon
Plug the supplied microphone into the front microphone jack. Ensure the connector is fully seated.
4. Začetni vklop
Once all connections are made, turn the radio on using the ON/OFF/Volume control. The display should illuminate.

Figure 2: Front panel layout of the SR-655HPC, illustrating various controls and the display.
Navodila za uporabo
This section details the functions of the various controls and how to operate your SR-655HPC radio.

Figure 3: Detailed diagram of SR-655HPC controls and their functions, as depicted on the product packaging.
Osnovno delovanje
- ON/OFF & Volume: Rotate the leftmost knob to turn the radio on/off and adjust the receiver audio volume.
- Squelch (SQ): Adjust the SQ knob to eliminate background noise when no signal is present. Turn clockwise until the noise disappears.
- Mode Control (AM/FM/SSB): Select the desired modulation mode using the dedicated switch.
- Nadzor frekvence: Use the main FREQUENCY knob to tune to the desired operating frequency. The VFO function allows continuous frequency adjustment.
- Izbira pasu: The radio supports multiple frequency bands (A-L, VFO). Refer to the manual for specific band ranges.
Napredne kontrole
- Nadzor zatemnitve: The DIM knob adjusts the brightness of the LED display and backlighting (32 positions).
- Digital Echo: Use the ECHO and DELAY knobs to adjust the echo effect for your transmitted audio.
- Roger Beeps: The radio features six selectable Roger beeps. Activate and select them via the PRG/RB button.
- Spremenljiv nadzor moči: Adjust your transmit power output using the PWR control.
- Variable Talkback Control: The TALKBACK control allows you to monitor your own transmitted audio.
- Razjasnilo: The CLARIFIER knob provides fine-tuning for SSB reception to ensure clear audio.
- Noise Blanker (NB) / Automatic Noise Limiter (ANL): These functions reduce impulse noise and continuous noise respectively.
- Programiranje z računalnikom: The radio can be programmed via a PC for advanced customization. Refer to the separate PC programming guide for details.
- Barva zaslona: Press the COLOR button to cycle through the 7 available LED display colors.



Slika 4: Npramples of the multi-color LED display options on the SR-655HPC.
Vzdrževanje
To ensure the longevity and optimal performance of your Stryker SR-655HPC, follow these maintenance guidelines:
- Čiščenje: Regularly wipe the exterior of the radio with a soft, dry cloth. For stubborn dirt, a slightly damp Uporabite lahko krpo, vendar pazite, da v enoto ne vdre vlaga. Izogibajte se abrazivnim čistilom ali topilom.
- Prezračevanje: Ensure the radio's ventilation fins are clear of dust and obstructions to prevent overheating. Do not operate the radio in enclosed spaces without adequate airflow.
- Povezave: Občasno preverite vse kabelske povezave (napajanje, antena, mikrofon), da se prepričate, da so varne in brez korozije.
- Shranjevanje: Ko radia dalj časa ne uporabljate, ga shranite na hladnem in suhem mestu, stran od neposredne sončne svetlobe in ekstremnih temperatur.
Odpravljanje težav
If you encounter issues with your SR-655HPC, refer to the following common problems and solutions:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Brez moči | Ohlapna napajalna povezava, pregorela varovalka, napačna glasnosttage. | Check power cable connections. Verify power source voltage. Inspect and replace fuse if necessary. |
| Ni sprejema zvoka | Glasnost je prenizka, šumenje je previsoko nastavljeno, antena je odklopljena. | Increase volume. Reduce squelch level. Check antenna connection. |
| Poor Transmit Audio | Microphone not connected properly, microphone gain too low/high. | Ensure microphone is fully plugged in. Adjust MIC GAIN control. |
| Excessive Noise on Receive | Squelch too low, NB/ANL off, external interference. | Increase squelch. Activate NB/ANL. Identify and mitigate external noise sources. |
If the problem persists after attempting these solutions, contact Stryker customer support or a qualified technician.
Specifikacije
| Frekvenčno območje | 28.000-29.700MHz & 24.890–24.990MHz |
| Frekvenčni pasovi | A, B, C, D, E, F, G, H, I, J, K, L & VFO |
| Kanali | 40 (programabilnih) v vsakem pasu |
| Vhodna voltage | 13.8V (14.2V recommended) |
| Antenna Connector | UHF SO239 |
| Nadzor frekvence | Sintetizator s fazno zaklenjeno zanko |
| frekvenca korak | 100Hz/1KHz/10KHz/100KHz/1MHz |
| Frekvenčna toleranca | 0.005 % |
| Stabilnost frekvence | 0.001 % |
| Temperaturno območje | -20°C do +50°C |
| Dimenzije (Š x V x G) | 7-7/8"W x 2-3/8"H x 9-1/4"D (approx. 17 x 9 x 3 inches) |
| Teža predmeta | 5.79 funtov |
| Izhodna moč | 60+ watts PEP (up to 70W PEP) |
Garancija in podpora
The Stryker SR-655HPC 10 Meter Radio comes with a warranty from its respective manufacturer. For warranty claims or technical support, please refer to the documentation included with your product or visit the official Stryker website. 10-Meter Radios are intended for use by amateur radio operators only, and a license from the FCC is required for operation in the United States.

Figure 5: Important note regarding the radio's classification.