Page 106 FT DX 3000 O peraTing M anualData (psk) o perationThe FT DX 3000 is eTuipped Zith a 36. decode function. ))7 screen display together Zith the decode screen Zhile receiYing a signal. 'ecoding Zith this transceiYer supportsEoth general %36. and 436. that haYe error correction functions.pSK d ecode. 3ress the [MODE@ sZitch set the operating mode to³DATA USB´.A dvice :3ress and hold the [MODE@ switch for approxi-mately one second to switch back and forth between³DATA USB´ and ³DATA LSB´.. :hen you haYe configured 0enu item ³067 DATAMODE´ to ³PSK´ and ³194 PSK MODE´ to ³BPSK´or ³QPSK´.. 5eceiYe a 36. signal and press and hold the[SCOPE@ switch for one second or longer.7he 36. '(&2'( screen displays and the decodedtext is displayed on the screen.A dvice : $lign the peaN of the receiYed signal Zith the marNerof the $)))7 screen. If te[t is displayed due to noise and Eand clutterZhen a 36. signal is not Eeing receiYed turn the[CLAR/VFO-B@ knob to adjust and threshold level.Threshold levelThreshold Level Adjustment6cramEled te[t may Ee displayed due to noise and Eand clutter Zhen a signal is not Eeing receiYed. -just the threshold level so scrambled text is not displayed.Turn the [CLAR/VFO-B@ NnoE and adjust thethreshold leYel EetZeen and so scrambledtext is not displayed due to noise. 1ote that te[t Zill no longer Ee displayed forweak signals if you increase the level too much. You switch between threshold level display andnormal display each time you press the [SE-LECT@ button. 7he threshold leYel is displayed in the 9)2%freTuency display.n ote: &ross talN noise phasing and the liNe may preYentreliable decoding of the message. You can set the data output level of data communica-tions 36. 6679 etc. using 0enu item ³077DATA OUT LEVEL´. If continuously sending for more than a few minutesor if sending time is longer than receiYing time re-duce the transmit poZer output to EetZeen and using 0enu item ³177 TX MAX POWER´.7o cancel the 36. decode function press and hold the[SCOPE@ switch again for one second or longer.Displays the PSK signaldecoded.Displays content written tothe PSK text Memory ※※ If you transmit content written to the PSK text Memory(right page), the transmitted PSK signal is displayed astext.Note that transmitted text changes to white.Q EC QC QC D ,# ᲹQ EC QC QC D W XᲾ D CPS- &ECO&E #(((6AF-FFT display (see page 41)(“Spectrum” or “Waterfall” display)
