Jrc nrd 545 software




















The end was just sitting on my desk.. I pulled off the serial cable, tried to load the program again, and got that error message again. That tells me that the serial port needs to see some kind of cross connect or loop back to make it happy.

I have been very busy, and have not had a chance to ohm out the cable and pins to see what wires are cross connected or shorted. Once I figure this out, it should be easy to get it working, I hope. Due to some business travel it may be several weeks before I can figure it out, might get to it before the fourth of July. I see light at the end of the tunnel, JRC never responded to my email.

I have not since the operational manual calls for a DP to DP9 cross connect cable, standard type. More to follow!! RBasic Winradio add-on Control Software. RxPlus Receiver Control. Rxwings Receiver Control. Scancat Receiver Control. Scancontrol Radio Scanner Control. Scanstar Radio Scanner Control. ScannerWear Radio Scanner Control. Scopestation Receiver Control. TrunkStar Pro Receiver Control. Unitrunker MPT and Apco 25 decoder.

Visual Radio Receiver Control. Winradio Receiver Control for Winradio. WinScan Radio Scanner Control. Xrs Winradio. Frequency Manager. Radio Explorer. That's an unacceptable safety consideration for aircraft. FM In Frequency Modulation the frequency of the carrier is changed with the loudness of the modulation signal.

Since the carrier is always on at full power the audio output will be quiet when there is no modulation signal. This is the mode used on the VHF broadcast band. The modulated signal has a bandwidth that on the order of kHz, much wider than the bandwidth of a music modulation hence there is some process gain that works in a similar way to antenna gain.

Narrow band FM that's used for utility communications has a signal that's 5 kHz wide and a voice signal is about 3 kHz wide so it doesn't have much process gain, but you can get a lot of channels into a given slice of the spectrum. In this application the FM capture effect that pervents hearing two stations at the same time is a benefit because the other station is most likley one you don't want to hear.

SSB In Single Side Band modulation either the lower sideband or the upper sideband that's in an AM transmission is sent to the antenna and the carrier is supressed completly. This makes SSB verry efficient in terms of getting the highest radiated signal for the power used. But it requires much higher frequency stability in the transmitter and the receiver. If you were listening to a SSB radio and music went soft the noise level would come up, not at all an entertainment type of mode. The AGC is continuously adjustable between 0.

DSP S-Meter The signal level is determined in reference to the input signal to the DSP and the level is converted into an antenna input level, which activates the S-meter.

External 8 ohm speaker with two stage filtration and dual audio inputs. Requires soldering to install. Printed Owner's Manual original. Quality communications headphones. This 6.



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