RF Central RFX-BRK Especificações descarregar pdf (Página 12)

RFX-BRK Issue 1 page 12 of 19

6 CONFIGURING THE TRANSMITTER

6.1 Status Monitoring

There are two status LEDs on the front panel of the unit

 Power LED

 Green = DC power is applied to the unit.

 Flashing = normal operation

 PA LED

 Blue = the PA is on.

6.2 Preset configuration rotary selector switch

The front panel rotary selector switch allows selection of the 16 preset configurations

which are loaded into the unit.

Each RFX-BRK transmitter is pre-programmed with factory defaults for each of the 16 pre-

set positions. The standard defaults are shown in appendix A (paragraph 8). These can

be edited and updated at any time using RF Central proprietary software through a USB

port and PC or Lap Top computer.

The following operating parameters may be set:-

 RF channel (TX operating frequency in 0.5MHz steps)

 MPEG encoder bit rate

 COFDM modulator operating mode

 QPSK, 16QAM, 64QAM

 Viterbi FEC rate

 Guard interval

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

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RF Central RFX-BRK Especificações Página 12