FUNCTIONAL POSSIBILITIES
- On-line programming from control panel of the following functions:
- operating channels to any frequency within the UHF frequency range (one- or two-frequency simplex);
- reception and transmission of group tone calls (700, 1000, 1400, 2100 Hz);
- transmitter power;
- operation threshold of noise suppresser;
- number of main channel;
- loudspeaker volume level;
- time of transfer to “Reception” mode after the call was received in the “Standby Reception” mode;
- level of short wave receiver attenuator.
- On-line switching over of six operating UHF channels and two operating short wave channels, disabling of noise suppresser and switching over of loudspeaker volume level.
- Possibility to control radio station from an additional control panel using wireless technology.
- Programming from PC of the following functions:
- access password to enter the program mode from control panel;
- maximal time of continuous work for transmission;
- tone call duration.
- Availability of pulse interference suppresser.
- Availability of digital noise suppresser.
- Auto limitation of time of “Transmission” mode.
- Operation in manner of two-band Short wave/UHF radio stations.
- Operation with old stock of radio stations.
- Automatic diagnostics of the transceiver operation.
- Possibility to connect a locomotive registrator of talks.
TECHNICAL SPECIFICATIONS
"Orion РВ-4 " VHF
| Frequency range, MHz | 151,725-155,975 |
| Maximal number of channels | 340 (171) |
| Frequency spacing, kHz | 12,5; 25 |
| Received sensitivity, μV, max | 0,3 |
"ОRION РВ-4 " Short Wave:
| Operating frequencies, MHz | 2,13; 2,15; 2,444; 2,464 |
| Receiver sensitivity, μV, max. | 2 |
| Range of control of attenuator decay, dB | 0-60 (with 1 dB step) |
“Оrion РВ-4” VHF and “Оrion РВ-4” SW:
| Transmitter carrier power (8 levels), W | 0,5 – 15 |
| Operating temperature range, ºС | -40 … +55 |
| Power supply, V | 21,6 / 155 |
| Overall dimensions of radio unit, mm | 200х135х138 |
| Weight of radio unit, kg | 2,93 |
| Overall dimensions of additional control panel, mm 200х135х68 | |
| Weight of additional control panel, kg | 1,62 |
| Mean time to failure, hours, min. | 6 000 |