AOR ARD9000 Instrukcja Użytkownika

WinDRM Docs – Release 1.3 was developed by Cesco, HB9

10 Setup Call sign Up to 8 number/letters may be entered. “NOCALL” is the default.

11 Setup Display Receive Spectrum The Spectrum’s display is approximately 2.5 kHz wide in the horizontal while the vertical shows the

12 Receive Waterfal ls Three waterfalls are available, Moving, Static, and Flicker reduced. The COFDM spectrum will be displayed with

13 transceiver, refer to these informative papers found at: http://audiosystemsgroup.com/SAC0305Ferrites.pdf and http://audiosystemsgroup.co

14 Shifted PSD (recei ve) This display plots the “estimated Power Spectrum Density (PSD) of the input signal”. The X axis measures the PSD of 0

15 Transfer Function ( receive) This plot shows the “squared magnitude of the channel estimation at each sub carrier”. The green line is the transf

16 Fast Access Cha nnel (FAC) Phase (rec eive) This plot shows the 4 QAM rectangular constellation. For more info on QAM see above info under FAC

17 correction coding is applied. QAM varies the amplitude and phase of each one of the carriers (for 16 QAM and up). Then, through frequ

18 Setup Text Message Edit TX Text Message (voice mode onl y) Selecting “Edit TX Text Message” will open up a window to enter text. Up to 128 A

19 Setup Save Received Files Checked (default) indicates files received without errors will be saved in the sub-folder of WinDRM named “Pictures

2 WinDRM will not decode data. Note: IO should always be enabled during receive and transmit. Frequency Acquisition Freq – Enabled: The three FAC

20 Show Received Fi les Checked (default) indicates error-free files will automatically be displayed (when associated with a viewer such as

21 Soundcard Opening the mixer will display the sound card’s “Recording” and “Playback” sliders for Audio in and out. These are associated as f

22 For Digital Voice using a single sound card, inputs are switched under program control (receive line-in switched to mic-in for transmit). Adjust

23 Mode MSC Protection Bandwidth Interleave MSC Coding DC offset B Normal 2.5 Short

24 Freq. Acq. Sens. Search Window Size Auto Reset 60 350 Enabled

25 at a time or all can be transmitted by clicking on the “BSR send” button while any one of these request are being made (during transmission). L

26 SPA (button) Show Picture Anyway Left click on this button will attempt to associate and display the last received picture even if it the f

27 Example of the transmitting station’s responding to a BSR request. Note: This is not the data used in the previous repaired picture. G (bu

28 ID (button – works with Windows XP only) Left click on ID will transmit a pre-recorded wave file displaying the transmitting station’s call sign

29 TX Pic (button) Left click opens a window to add or remove files for transmission. Radio buttons enable from 1 to 3 instances of the file be

3 block/segment/packet image data. QRM/QSB/QRN and weak signals can cause MSC to fail or “flicker” during reception. A minimum SNR of 7dB generall

30 TX Voice (button) Left click starts a voice transmission (or if in focus, tap the spacebar). The microphone must be connected to the soundcard

31 RESET (button) Reset re-starts the sync process in receive. Normally, this button is rarely needed. About Info

32 About Help

33 Typical connectio ns between PC, interf ace and radio See “Setup PTT Port” info in this doc for more information on these connections. Any ava

4 Known specs and defin itions: TX Data rate MSC transmit data rate in bits-per-second (bps) is shown in the SNR box when transmitt

5 also be demonstrated since VAC take care of exchanging data between each instance of WinDRM allowing microphone voice input to the sound card. S

6 Status of trans mitted data in the Info bo x for files ( TX Pics) After transmitting the lead in sync data, the Info box provides the status of t

7 data is being received. Text messages may only be sent and received with Digital Voice transmissions. Transmit and Rec eive parameters (and tran

8 Signal-to-Noise-Ratio is an estimated value that indicates the quality and strength of the received signal. Experience has found, near error free

9 Setup PTT Port Any com port 1 through 8 may be selected for control of the transmitter’s PTT using conventional RS232C data terminal read