-------------------------------------------------- -------------------- Digital Image TRX software KG-STV ver.1.0.1 readme -------------------------------------------------- -------------------- KG-STV the time to download and use, thank you. This KG-STV is a digital image using a software radio transceiver. Since this software to decode digital signal processing, external There is no need to connect the decoder to the spin of the radio and PC sound input and output Marker microphone jack, and can send and receive PTT RS232C control is connected to. KG-STV will process each image block in order to send you additional information about individual Overall picture is just black but only part missing in the middle of this data is received And is available. Images from the middle to play the middle of the signal it receives and Possible. About a block is not received, retransmission request (BSR) to make up for it You can. 320x240pixcel image around 2 minutes (depending on compression settings, image) can be transmitted by Su. Constant modulus and the output is sent to the FSK modem is a type of MSK (Minimum Shift Keying) Or by using the 4L-FSK, OFDM and PSK radio amplifier compared to the final stage of the modulation system You can use the full power can be expected to extend the transmission distance. Install Uninstall ? Extract the compressed file will install the downloaded file after extracting You only need to copy the folder to anywhere and just. Thawing process, Windows unzip program if contains the standard file compression Double-click to open the le, the file to another folder in the folder that appears By extracting the copy is complete. When extracting the folders listed on archive Temporary condition, so that only displays the contents of the file, copy it to another folder must Please complete the decompression. Right-click the compressed file also on the menu "Extract All" item of If so, you can click it to unzip. If there is no standard unzip program to unzip the line extraction software separately And. The extraction software may not be able to decompress is well. Recommendation Lhaplus1.56 extraction software that is not. Please change the name from the initial state of the folder structure and still. The startup You can become unavailable and some of the functionality and Kinakatsu. We do not use the uninstall any registry, folders, Please delete as it is. KG-STV to save images in automatic image saving feature, that automatically AutoSave Folder where the executable is created in the folder. ? equipment needed to receive To receive the following equipment is required. 1. SSB or FM radio which is equipped with mode 2. Consistent with the antenna off the radio antenna 3. Shall meet the following computer specs 4.PC communications cable used in a typical software radio cable ? Radio KG-STV SSB and FM are the possible transmission of image data in. Other Mode (AM, etc.) may become unstable in the transmission. May not deteriorate receiver performance characteristics and transmitted by radio or wireless transmission channels Rimasu. In that case KG-STV degree of degradation is observed in the eye pattern. ? antenna The antenna is required adjustments can be sent. ? PC KG-STV to work the computer must have at least the following specifications. OS: WindowsVista / XP CPU: Celeron 1.06GHz or Memory: 1GByte more Display: 1024x768pxcel more Sound: 48kHz 16bit support ? PC connection cable, radio Connect the radio speaker microphone jack and the computer not only receives Just OK, but if you do this and also send out another line of PCs Attenuator with cable and connect the power and radio microphone, PTT control path for The RS232C PCs and radios PTT circuit is required to connect the terminal. These are the same wiring and communications software and a PC with a general picture It is possible to reuse these cables. The KG-STV signal using the VOX PTT can also be controlled. ? KG-STV setup KG-STV install, complete with wireless connectivity can be used for KG-STV Set and adjust. The selection of input and output sound device first. To do this the KG-STV Set the selection screen, click Open, Input Device and Output Device Sets Su. RS232C RS232C Port at the same time where we can set the port. If you send also send the callsign Callsign field sets. Ko Any operation performed is not set to send Rusain. To save images automatically receive upon completion, Save image automatically when received new one. Check the check box. After the configuration settings to reflect the OK button. Adjust the modulation level to actually send the waves When you're done. Actually send the following steps both sending sound signals to monitor different receiver Enough to distort the attenuator and cable slide KG-STV, the case Adjust the Windows volume. Speaker outputs the input signal received on a PC as well, enough to distort the sound Cable or radio volume attenuator, possibly adjust the volume of Windows The adjustment. How to operate ? KG-STV Note: KG-STV button shown in the screen in red text will take place at the send operation frequency Do not use numbers, make sure that the equipment is working properly connected Please do send from. Note: To send the call sign must be set. The call sign is set If you do not try to send in "Set your callsign" said Eradai Dialogs will be displayed. - Receive Just listen for incoming signals troublesome adjustment is not necessary, other You can receive a large gap that the local station and the station frequency. In this case, War Radio to enter into the spectrum between yellow dotted line if you see the other Taforu Please adjust the receive frequency. Receiving the image of the source callsign appears in green. - Send To send the following steps of image. One. KG-STV image files drag and drop Jpeg and bmp image files or. The image size is automatically resized It will be 320x240pixcel. With different aspect ratio, and an extra vertical Left and right images are cropped. You can also copy from the clipboard. For more information, please see below. 2. Coordination and quality check of transmission time Drag and drop, KG-STV file name and the title of TxTime = Displays. TxTime is expected to take the time to send. Have a look at this time Send Image quality adjustments were the third from the top of the pull-down menu to the right of The decision to send a different image quality. 3. Send Once these operations to send pictures Send Image button. Masu. Send Image Image transmission was pushed in the stop button to send You can. Sending a call sign appears in red text. · BSR (retransmission request) how If you have not received the received image block, Send BSR Open button operation Accessible. Click here to Send BSR, not be able to receive the other station Block retransmission request to send images to the coordinates of the block or image. The BSR is sending the rest of the screen displays the number of BSR waterfall. - How to re-request response Resp BSR retransmission request if it received the enable button operation, Resp BSR Resent the image block data is missing, click the partner station. If no retransmission request is received in another station, just click Resp BSR Went right or retransmission request for a response to the unnecessary retransmission of data requests then Su. Therefore, the retransmission request is received after receiving the original request unnecessary retransmission If Resp BSR BSR CLR button next to the button and disable the retransmission Please clear the request. ? repeat request-based image completion will be sent only after a retransmission request. Retransmission required If you do not do requests, image data of other stations are not complementary imaging. The re- If you send out a request, please ask them to resend the data immediately. The Complementary image data is received while the other is not. ? Send BSR and BSR Resp and receive the new image, an image file input on KG-STV If you reset. If you interrupt the request and BSR and BSR BSR while sending response information will be discarded. Send Image Verification ? Drag the image and the image is displayed and sent to drop and receive After we changed the image, that image is selected for transmission which is currently "Check TX Img "you can click and see. ? Copy Image to Clipboard "To Clipboard" click the image that appears when you click here Copy the Pubodo. ? load images from clipboard "From Clipboard" to the current image on the Clipboard button The KG-STV loads. In this state, with Send Image button again Send pictures of the clipboard. Response is similar to the BSR. Other dragging the image files and images from the clipboard and drop Is removed. Other data such as copy text and images to the clipboard When the image data on the clipboard is cleared ?. Therefore, if sent to the clipboard BSR, From Clipboard Drag an image file or from the button & drop, click Please do not copy the text and other Pubodo. View previous image receiving ? Receiving in the past have been recorded in the AutoSave folder or Jpeg files left triangle Or can be displayed in the right triangle button. In this case, the lower left corner of the screen file Displays the file name. The file name, date _ hour _ is now Callsign Su. Waterfall and eye pattern display ? War in the time series to see shades of color for a confirmation of the received signal frequency spectrum To see how to display the eye pattern display and data demodulation Taforu You can. These eye patterns on the screen or click Waterfall That can be switched. Callsign display ? Waterfall display (or eye pattern display) screen under the call The sign display, the other receiving the call sign "RX ????" displayed in green Masu. Also sending "TX ????" and displayed in red. In addition to display call sign at the bottom left display mode is being received Do so. The display type is exactly the same as below. IMG: image data BSR: BSR Request Data IMG (BSR): BSR response image data TXT: Character Data The letter itself is a short transmission and data transmission into a received letter callsign Does not appear that the call sign. The lower right "Img time out" may appear in red letters. This is Indicates a timeout after performing. See below for timeout Please ?. ? imaging data set error KG-STV has made all the data for error detection, the image data For the initial configuration process to be performed even if there were errors of image Has been set. This will restore the image even though some data errors Because it might be. JPEG image data, but has been so compressed by Huffman coding, error The number and location of the strike ? strange colors or black and white image block Or the like is ripe. To determine the location of the error and now KG-STV is provided in the lower right of the screen error Su. On this screen, if the data is normally green when receiving data if the red Indicates an error. Note that black indicates that no signal can be detected The. If you receive an error if the data remains in the black image block without imaging If you want to trust the image screen, Set button to open the setting screen, Decode only error free image data. Check the check box. ? For the time-out Can not see KG-STV signal is within a certain time it does not detect a signal If you decide to complete the process and lost the signal reception processing (timeout). We believe that it originally received to complete processing end signal and interrupt signal is detected Because, in order to do this properly when processing the image signal is lost in the middle Provides processing. If time-out process occurs, waterfall screen (or Aipata Screen horn) at the bottom right of the screen under the call sign "Img time out" and displayed in red Be. It takes time out (time out) is the initial value of 30 seconds, Better in some cases by changing the stability of the circuit, this time setting changes Are available. To set the timeout, Set button to open the setting screen, "Time out" and then set the value up or down button on the right. The "Now time out" to force a timeout when you click the current reception You can layout state. ? MSK and the 4L-FSK transmission MSK and FSK digital signal modulation method is a kind of method, FSK mark frequency Frequency is the frequency with minimal space between the number (Minimum Shift Keying) 4L-FSK is that of the 4 FSK, FSK modulation frequency provided four possible type of MSK can be obtained at twice the rate compared to. 4L-FSK in MSK susceptible to noise between the frequencies so narrow compared to Are susceptible to deterioration and transmission line characteristics. The choice of these two, FM and line status when it is faster to send the image, To send a picture or a 4L-FSK with good quality and I wish to select. Radio Precarious state of HF SSB transmission line in the MSK as the data you'll I think that Ku. Send Image from the pull-down menu above the first pull-down menu to the right of The New 4L-FSK or MSK can wager. ? convolutional code transmission mode Send Image pull-down from the top of the second pull-down menu to the right of New selection process is a sign. Where no sign processing (NORM) or convolutional code processing (CONV) or to set. The stronger the signal noise and convolutional code processing, the same data transmission It takes about twice as Ru. Check the status code while processing the transmission case by case basis Please choose. Note that this setting can be changed even during transmission. Send and receive text messages ? KG-STV-byte characters up to 510 in one transmission (255 characters max) Tekisutometsu of You can send a message. To send a text message Resp BSR text entry box at the bottom of Enter the right of the Send Text button. When you receive a text message, text is displayed in the box below. ? KG-STV transmission standard Modulation Format: MSK MSK or FSK modulation combined with the 04 Modulation rate: 1200baud Frequency Modulation: MSK ... ... Mark Frequency 1200Hz 1800Hz frequency space 4L-FSK ... '00 '1200Hz '01' 1400Hz '10 '1600Hz '11' 1800Hz Bandwidth: 500 ~ 2500Hz Error Correction: Viterbi code or without (NASA standard K = 7 code) Whitening: Yes (127 bits each bit added to the period M-sequence code) Interleaver: None Header: 01 256-bit repetitive signals Basic code construction: +54 Synchronization chunk information bits + sign arbitrary data chunks Error detection: Yes (CRC 16 CCITT) Synchronization bits: 63 M-bit code sequence Image compression: JPEG-compatible (16x16 pixels, thinning 4:1:1) Character code: Shift JIS compatible Radio Format: F1D (SSB mode operation) : F2D (FM mode operation) Configuration information chunks (Shisutemukodobajon '0 ') + - - - - - - - - - - - - - - - - - - - - - - - - + ¦ sys ¦ com ¦ c ¦ m ¦ x ¦ y ¦ sc ¦ size ¦ CRC ¦ + - - - - - - - - - - - - - - - - - - - - - - - - + 38 26 22 16 10 9 8 4 0 54bit sys: system code com: command code c: Coding Mode m: modulation mode x: position image block (X) y: position image block (Y) sc: JPEG Size Scale size: data size CRC: Error Detection Code MSK modulation information is always ? chunk + convolution processing The structure of data chunks (Shisutemukodobajon '0 ') + - - - - - - - - - - - - - - - - - - - - - - - - + ¦ data ¦ CRC ¦ + - - - - - - - - - - - - - - - - - - - - - - - - + ? The data chunk to chunk information transmitted CRC code followed by Command table (Shisutemukodobajon '0 ') + - - - - - - - - - - - - - - + Operation ¦ ¦ ¦ command values ¦ - - - - - - - - + - - - - - + Text transmission ¦ ¦ 0 ¦ ¦ - - - - - - - - + - - - - - + ¦ 1 ¦ ¦ Image Transmission ¦ - - - - - - - - + - - - - - + ¦ 2 ¦ BSR ¦ Response ¦ - - - - - - - - + - - - - - + Exit ¦ ¦ 3 ¦ ¦ - - - - - - - - + - - - - - + ¦ 4 ¦ BSR ¦ Request ¦ - - - - - - - - + - - - - - + Cancel ¦ 5 ¦ (suspended) ¦ ¦ - - - - - - - - + - - - - - + Callsign ¦ 6 ¦ ¦ + - - - - - - - - - - - - - - + Header codes shall be sent upon the first 01 to start sending ?. One data format 1 ? (configuration code) is + + Information synchronization code data chunks chunks Be. However, termination signals, stop signals, BSR is a signal that contains a data chunk Not. ? This data format image data when the number of consecutive image blocks Shall be sent. ? If the text transmission shall be completed in a single data format. Upon completion of successful transmission shall send ? three times last exit signal. ? When shall stop the transmission to send signals to cancel the last three. Synchronization code 000011100001001000110110010110101110111100110001010100111111010 Whitening code 1110110011000100100111001111100100000100011010101001101101001010 000101100001100101111111010110111011110001110100010101110000001 ? KG-STV is a need for more experiments KG-STV is born from the interest of the author of Digital Image Communication. Out of practical experience and competence of the principal causes, however. Transmission time is slow, so poor quality and hard ?Karanai, real luck On for many practical situations, and I think not. In such a case study because we want new challenges, means With the views of many people, including'd appreciate feedback. High until you complete your opinion is a bug or operating problems and inconvenience That you had, all means, thank you. Author: K.G (JJ0OBZ Myoko City, Niigata Prefecture) -------------------------------------------------- -------------------- Creating works KG k.g8956 @ ymail.plala.or.jp Air date today http://www2.plala.or.jp/hikokibiyori/ For latest SSTV software links and news http://www.g0hwc.com/sstv_drm_news.html