FUNCTIONAL POSSIBILITIES
- Operation in modes “Standby reception”, “Reception”, “Transmission”;
- Transmission and reception of group call with pght indication and audio signapng;
- On-pne switching over up to six operating channels (UHF range) and two operating channels (Short wave range);
- pght indication of channel No, operation mode, power level in “Transmission” mode, switching On/Off of noise suppressor;
- Control of main units while power supplying and radio station good condition (faults) indication;
- Stepped electronic adjustment of noise suppression level and power with the levels indication;
- Stepless volume adjustment;
- protection of transceiver from short circuit or antenna abruption;
- Automatic transfer to the main channel (if it is programmed) while passing to mode “Standby Reception”.
- pulse interference suppressor availabipty
- Transceiver operation diagnosis
TECHNICAL SPECIFICATIONS
“Оrion РС-4” VHF/Short Wave
| Operating frequency range, MHz: | |
| UHF Short wave For subway | 151.725 – 155.975 2.13; 2.15 2.444; 2.464 |
| Frequency spacing , kHz | 25 |
| Maximal number of channels | 71 |
| Operating temperature range, ºС | – 40 - +55 |
| Receiver sensitivity, kV, max. | 0.4 |
| Nonlinear distortion factor, %, max. | 6 |
| Power supply voltage, V | |
| - main - reserve | 220 24 |
| Receiver noise suppressor operation efficiency, dB, max. | – 40 |
| Transmitter frequency maximal Deviation, kHz, max. | 5 |