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Expert Electronics SunSDR2 DX, User Manual

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Expert Electronics SunSDR2 DX User Manual Download Page 24

24

SunSDR2 DX User Manual

© 2020 Expert Electronics

CONNECTORS PIN-OUT

5

ExpertSDR2 SOFTWARE DESCRIPTION

The basic description of the software interface is presented in the Getting Started guide on our

web-site: 

eesdr.com

.

Standard layout:

Compact layout (software window is squeezed and compact mode enabled):

Software settings which won't be mentioned or addressed in this manual, are set by default or
provided to the user's self-study and experiments. All the unmentioned settings cannot cause
the fatal damage of the SunSDR2 DX transceiver's hardware, so you can safely experiment
with them. You're dealing with the software-defined radio – SDR, the main settings and signal
processing happens in the software.

Summary of Contents for SunSDR2 DX

Page 1: ...Expert Electronics 2020 Expert Electronics SunSDR2 DX USER MANUAL 1 3 2 HF 50 MHz VHF TRANSCEIVER Direct Sampling SDR transceiver ...

Page 2: ......

Page 3: ...lifier 17 3 5 External Control devices 17 3 6 Reference input 18 3 7 Transverter connection 18 3 8 DAC OUT low power output 19 3 9 ADC IN and RX OUT 19 4 CONNECTORS PIN OUT 21 4 1 MIC1 21 4 2 MIC2 21 4 3 EXT CTRL 22 5 ExpertSDR2 SOFTWARE DESCRIPTION 24 5 1 Global controls panel 25 5 2 Transceiver control panel 29 5 3 Frequency and S meter indicators 44 5 4 DSP control panel 47 5 5 Panorama descrip...

Page 4: ...2 OmniRig 81 5 7 6 Panel 82 5 7 7 Features 87 5 7 8 ExpertSync 87 5 7 9 CW Skimmer 88 5 7 10 Shortcuts 90 5 7 11 IQ Recorder 91 5 7 12 TCI 91 5 7 13 Spot settings 92 6 TECHNICAL CHARACTERISTICS 94 6 1 Receiver 94 6 2 Transmitter 95 6 3 Other 96 7 TRANSCEIVER OPERATIONS 97 7 1 Local operation 97 7 2 Remote operation 97 7 3 Frequency Tuning 97 7 4 Antenna switch 98 7 5 Voice Recorder Operation 99 7 ...

Page 5: ...5 SunSDR2 DX User Manual 2020 Expert Electronics TABLE OF CONTENTS 7 11 2 TRXs on 1 PC 104 8 RESET SETTINGS AND FIRMWARE 105 9 REGULATORY REQUIREMENTS 107 ...

Page 6: ... transceiver the perfect base station The evident choice for a true contester Hardware improvements in comparison to SunSDR2 PRO Improved supply system which leads to less heating and less power consumption HPF for VHF 100 MHz to eliminate strong out of band stations coming from HF LPF for HF 70 MHz to eliminate strong out of band stations coming from VHF New VHF LNA chip PGA103 New high performan...

Page 7: ...r An opportunity to use the transceiver in SO2V mode Full duplex or half duplex modes Antenna switch with 2 HF antenna connectors and separate VHF antenna connector Mini UHF connectors Internal power meter for HF and VHF bands and SWR meter for HF band Ethernet LAN interface provides a fast and reliable connection to PC These functions are supported by the transceiver s hardware but is not impleme...

Page 8: ...ver use the SunSDR2 DX transceiver without grounding It is forbidden to connect the SunSDR2 DX to PC with the voltage presence on it or in the switched condition It is forbidden to use the power supply with the voltage higher than 16 V Remember The transceiver is powered by DC voltage If the SunSDR2 DX was stored in abnormal climatic conditions it is recommended to keep it in normal operating temp...

Page 9: ...ely turn it OFF and remove the power cable Contact your closest Expert Electronics dealer for advice Always take great care when moving or transporting the transceiver Ground the antenna mast and antenna feeders to avoid accumulation of atmospheric static electricity on them Always use ferrite beads on antenna and other cables connected to the transceiver 1 5 ExpertSDR2 Software License Agreement ...

Page 10: ...sed by using of external devices along with the SunSDR2 DX transceiver 1 6 Copyrights Expert Group company holds copyrights for the SunSDR2 DX transceiver intellectual property ExpertSDR2 software and all User Manuals and Instructions for the device and software It is forbidden to present this document as your own sell it or use it in any other commercial activity Expert Group company does not gua...

Page 11: ...tup state wait until blinking stops 3 Dynamic microphone MIC2 Here you may connect a dynamic microphone MH 31 or any other dynamic microphone with the RJ 45 connector and similar pinout Allowed output impedance is 500 600 Ohm 4 Electret microphone jack 6 3 MIC1 Here you may connect an electret microphone from a PC s headset 5 Headphones jack 6 3 PHONES Here you may connect headphones with 16 30 Oh...

Page 12: ...12 SunSDR2 DX User Manual 2020 Expert Electronics FRONT PANEL DESCRIPTION Warning Never connect two stereo channels with each other Note Headphones with high impedance may sound quieter ...

Page 13: ... 8 ATU Connector for the external Antenna Tuner Unit designed by Expert Electronics 9 RX OUT Internal receiver s front end output Warning Improper use or higher voltage may damage the transceiver 10 ADC IN Direct input bypassing Band Pass Filters BPFs ADC IN connector may be used for connection of the receiving antennas Between ADC IN and RX OUT you can put a transverter additional BPFs preamplifi...

Page 14: ...circuit protecting device from the power polarity reversal 13 External reference oscillator Input 10 MHz 10 MHz CMOS level input Appropriate Voltage amplitude for this input 1 3 V Pk to Pk and 10 MHz frequency Input impedance 2 kOhm Warning Improper use or higher voltage may damage the transceiver 14 GND Ground connector 15 A1 connector for VHF antenna VHF antenna connector Use it when you want to...

Page 15: ...1 If the SWR is worse than 1 5 1 match the cable and the antenna to the desired level Note Using a mismatched antenna feeder path might cause non linear distortion of the transmitted signal HF interference on the transceiver s cables and or interference of TV s or other devices Transmitting with a receiving antenna may damage it Warning i Always use E type ferrite beads on antenna and other cables...

Page 16: ...e transceiver to the RX mode Straight Key should be connected to the KEY socket using the stereo 6 3 mm Jack with disconnected ring contact Pressing the key turns the transceiver to the TX mode and it generates a continuous CW signal manual mode Releasing the straight key returns the transceiver to the RX mode Twin paddle key single paddle should be connected to the KEY socket using the mono 6 3 m...

Page 17: ... plugs The ALC voltage range 3 0 V see the warning below Note While connecting the cables transceiver and PA should be switched off Warning iThere is a small delay in the ALC system functionality which may lead to a short term overload of the external PA This phenomenon could cause off frequency emissions or failure of your PA The User of the transceiver should understand and accept the above taki...

Page 18: ...ference oscillator more details in Device menu Signal parameters of the Reference Frequency Reference signal frequency of 10 MHz Reference signal voltage min 2 5 V max 3 3 V Input impedance of 500 Ohm SMA type connector female Note Use an external reference oscillator via REF IN connector to increase the stability of the transceiver s tuning frequency if 0 5 ppm stability is not enough Also transc...

Page 19: ... max 3 9 ADC IN and RX OUT The ADC IN connector is the direct receiver input bypassing Band Pass Filters BPFs Use the ADC IN for connection of RX antennas transverters additional BPFs preamplifiers attenuators etc Note The signal from ADC IN connector goes directly to the ADC input and may be amplified by the 10dB preamplifier if you set it in the software ATT is disabled when you use ADC IN alone...

Page 20: ...ween the RX OUT and RX IN connectors may be added an additional filter or box of switched filters preamplifier attenuator signal divider etc Note The signal passing through the HF path with output via RX OUT may be attenuated by the 20dB attenuator if you set it in the software ...

Page 21: ...cription Note 1 MIC Mic signal input Input 2 2V DC 2V supply into the MIC Output 3 GND Ground 4 2 MIC2 Out Output name Description Note 1 DWN TNG Not implemented in the software 2 UP TNG Not implemented in the software 3 5V DC 5V output with maximum current up to 20 mA Output 4 MIC_GND MIC case 5 MIC Mic signal input Input ...

Page 22: ...he GND will turn the transceiver to the TX mode Input 7 GND Ground 8 FST TNG Not implemented in the software MD15 microphone pinout 4 3 EXT CTRL Out Output name Description Note 1 X1 Programmable key with open collector Output 2 X4 Programmable key with open collector Output 3 X7 Programmable key with open collector Output ...

Page 23: ...ogrammable key with open collector Output 13 X8 РТТ Programmable key with open collector for control of external PAs PTT Output 14 13 8V Pin to supply external devices nominal current 1A There is a 1A fuse integrated in the line 2A fused Output 15 GND Ground Note When an electronic key with open collector triggers it leads to key s ground connection Voltage drop equals 0 7V RS 485 interface is res...

Page 24: ... software window is squeezed and compact mode enabled Software settings which won t be mentioned or addressed in this manual are set by default or provided to the user s self study and experiments All the unmentioned settings cannot cause the fatal damage of the SunSDR2 DX transceiver s hardware so you can safely experiment with them You re dealing with the software defined radio SDR the main sett...

Page 25: ...sing Band Pass Filters BPFs the attenuator and the preamplifier values are stored for each filter and each band accordingly When you use the WideRX filter LPF for the whole Nyquist zone attenuator preamplifier level is the same for each band Attenuator specifics S meter values and audio level have program compensation when you use the attenuator because signal level on the antenna input is always ...

Page 26: ...the separate window on the second monitor Navigation and settings of the bandscope are similar to the panorama settings of the main receiver Antenna switch menu This menu allows you to lock the required HF VHF antenna input only for RX When the certain HF VHF antenna input is locked for RX you cannot select it for TX For more details on the antenna switch operation RX ANT button enables receiving ...

Page 27: ...orking on the air BUT if the MON button is not pressed TX signal won t be displayed on the panorama To display your TX CW signal press the MON button Even if the MON button is switched off it is possible to enable the following functions from the drop down menu Always enabled MON in SSB for VAC if the audio record is transmitted in SSB via VAC the self control will be enabled Always enabled MON fo...

Page 28: ...the name of the profile in the Profile name field and pressing Add button set the settings of the whole program to the default state by the Default button Update the settings of the certain profile from the list to the current settings Remove the certain profile from the list Note All new profiles will be stacked up to the drop down menu as a new line In a Global Profile you save current states of...

Page 29: ...licates functionality of the Device tab from the Options menu Options menu described options About button opens the new window with the info about current version of the ExpertSDR2 software pressing the Fullscreen mode button will unfold the software window on the whole screen 5 2 Transceiver control panel 54 ...

Page 30: ...utomatically turn to the TX mode by the press on the CW keyer BreakIn drop down menu with CW settings Speed the speed of the CW signal being sent BreakIn delay ms timing control to keep the transceiver in the TX mode Set the required time for the transceiver to hold in the TX mode after you let go of the CW keyer Pitch Hz CW signal s frequency tone control Set the required CW signal s frequency to...

Page 31: ...ilar to the global profile menu Add a new profile by entering the name of the profile in the Profile name field and pressing Add button Update the settings of the certain profile from the list to the current settings Remove the certain profile from the list Note All new profiles will be stacked up to the drop down menu as a new line Show analyzer enable it to activate Transmitter signal analyzer a...

Page 32: ...alue in 1 10 ms range you ll notice low frequencies reduction with 1 ms value and amplifying with 10 ms value Phase Rotator Taps amount of phase rotators stages Frequency frequencies below will change the phase The algorithm itself is fairly simple firstly you should reach the max symmetric characteristic by adjusting the Taps parameter in some applications it s called stages after each change of ...

Page 33: ...n real time so the voice doesn t sound natural Phase rotator changes phase ratios in a signal leaving the AFC as it is it s not an equalizer Harmonics are shifted in relation to the main frequency the signal becomes more symmetrical Elimination of most asymmetric peaks in the signal lowers the aggressiveness level of the compressor influence thus voice sounds more natural and dense at the same tim...

Page 34: ...ithin a certain range band and rejects frequencies outside that range Cutoff frequency is determined by Frequency Quality determines bandwidth of the passband Notch it is a band stop filter with a narrow stopband It rejects a specific range of frequencies and passes all the other frequencies unaltered Tuning frequency is determined by Frequency Quality determines the stopband bandwidth Peak also k...

Page 35: ...sed Usually this parameter is set for full rejection i e signal does not pass through Gate when it s closed But sometimes you might require a mild rejection in this case adjust Ratio Threshold it sets the level for Gate to open pass the useful signal It supposed to be set above the noise level but below the useful signal level Attack it sets time ms required for Gate to change state from closed to...

Page 36: ...the threshold the output signal level is 1 dB over the threshold Threshold a compressor reduces the level of an audio signal if its amplitude exceeds a certain threshold It is set in decibels dB Compressor may be adjusted in a way how fast it reacts Attack this is the period when the compressor is decreasing volume to reach the level that is determined by Ratio It is activated when the signal exce...

Page 37: ... style right click on the S Meter TX Mic meter 2 Set the Drive level to 0 3 Enable the TX mode and speak in the microphone 4 Increase the Mic gain from 0 dB till the Mic meter readings will reach 10 5 dB in peaks 5 If required enable the compressor 6 Set Compression to 2 5 set COMP threshold to 30 dB This level should be more than room noises for about 10 15 dB Limiter is used to limit dynamic ran...

Page 38: ...ement to set it to the default value Thus using the parametric equalizer you can perform the finest tuning on any required frequency In this module you can find 3 types of filters Low Shelf on the left High Shelf on the right Peaking or Bell 8 units in between Their operation is similar to the filters described in the Filters module AGC module is responsible for keeping the constant volume level o...

Page 39: ...meters If you want to achieve leveled amplitude than Hangtime should be higher than Decay Clipping is a form of waveform distortion that occurs when the output Voltage exceeds Threshold Visually on oscilloscope it looks like altered signal peaks you can hear it as splutters and cracks Clipper reduces signals peak factor and increases overall power but distorts the signal CESSB filter default bandw...

Page 40: ...ofile for a certain microphone So the procedure should be you set up 3 different Profiles A B and C When you switch from Mic1 with A to Mic2 you should manually enable Profile B or C With Save for each microphone checked each Mic saves the latest settings it had in PROC menu so when you change from Mic1 to Mic2 it loads the latest settings Mic2 had enable Line out via PC s Sound Card enable Line o...

Page 41: ...SP DSP When you enable the NFM mode three additional buttons appear Burst Tone button BT In some cases repeater stops working after some time goes to sleep mode To wake it from the sleep mode you need to send the Burst Tone of the exact frequency for some time a common value for tone frequency is 1750 Hz but can vary in some repeaters To form a Burst tone 1 Set the NFM mode 2 Set the tone frequenc...

Page 42: ...CSS tone 7 Release the РТТ button on the Mic to turn to RX mode button switches the shift of the transmission frequency to operate through a repeater This function is usually used on the 10M 6M 2M and 70cm bands in the drop down window you can adjust the Shift frequency Enable the shift of the TX frequency to work through a repeater The sub receiver displays the TX frequency and the main receiver ...

Page 43: ...e buttons Amplitude Modulation Synchronous Amplitude Modulation Double Side Band Lower Side Band Upper Side Band CW mode Note It works in CW U for all bands It cannot be changed Narrow FM Wide FM supports receiving of the stereo signals Note Amplitude Frequency Characteristic AFC has deemphasis when you operate in FM modes AFC slope in WFM is determined by a standard Europe standard determines AFC...

Page 44: ...r software for operating in digital modes Note To work in digital modes use DIGL and DIGU Mic AGC gain COMP and EQ can distort the TX digital signal that s why they are automatically disabled in these modes Also in DIGL and DIGU modes you can save your TX and RX filter width Digital Radio Mondiale 10 kHz filter with 5 kHz IF to work with the external decoder of the DRM signals Connect third party ...

Page 45: ...transmit press the red TX button indicator You can switch the point and click control on the panorama between VFO A and VFO B receivers by pressing the middle mouse button You ll control the RX with the same color to the mouse cursor When you change the band the SubRX is disabled B A assign the VFO B frequency to VFO A A B assign the VFO A frequency to VFO B B A swap frequencies between the VFO A ...

Page 46: ...quency within a selected band mode and filter to the required settings 3 click the band button again to save the values S meter by default this scale displays the power level of the signals in the RX filter bandwidth The scale has two grade types in S units and in dBm The signal strength displayed in dBm to mW yellow figure in the top left corner of the S Meter In the TX mode the output power is i...

Page 47: ...ace on the screen List of the measured parameters S meter Displays the level of the received signals in the receiver filter bandwidth in units PWR Displays the level of the output power in TX mode in Watts SWR Displays the SWR level in TX mode blue bar MIC Displays the level of the MIC signal before modulator in dBW green bar SQL Squelch trigger threshold for the received signals yellow needle 5 4...

Page 48: ... the slowest 1000 ms Note AGC settings influence the quality of the received signal Be careful selecting the AGC preset or tuning your own preset Step list allows to change the step of the mouse wheel in the range from 0 1 Hz to 100 kHz DSP functions enable the RX equalizer enabled on the picture enable the TX equalizer binaural audio mode the phasing of the audio signal within the RX filter gives...

Page 49: ...the filter if the received CW signal is in the receive filter bandwidth and lower the tuned frequency it will be louder in the left phone if the received CW signal is in the receive filter bandwidth and higher the tuned frequency it will be louder in the right phone if the received CW signal is in the receive filter bandwidth and in the middle of the tuned frequency it will be equally loud in both...

Page 50: ...SAM DSB NFM modes 3 16 kHz LSB USB DIGL DIGU modes 1 8 3 5 kHz CW mode 50 1200 Hz WFM mode 50 310 kHz DRM mode has one fixed bandwidth 10 kHz user can adjust the RX filter bandwidth by himself available at any modulation type except DRM When you squeeze ExpertSDR2 window filter preset turns into drop down menu 5 5 Panorama description The panorama consists of two parts separated by the horizontal ...

Page 51: ...his band Spectrum is displayed as a line on the spectrum scope but it also may have a filling color You can change spectrum rendering mode line color filling color transparency etc in the software Options more details in the Spectrum tab 5 5 1 1 Spectrum Scope scaling If you move the mouse cursor over the vertical scale a hand will appear Press and hold the right mouse button then move it up down ...

Page 52: ...nge the Zoom position 1 Press and hold the left mouse button on the Zoom marker and drag it left right 2 Click the mouse wheel on the frequency scale 5 5 2 Waterfall Waterfall graphic timed spectrum scope in the format amplitude brightness frequency horizontal time vertical The comfortable settings are set by default but you can change them if necessary more details in Waterfall tab 75 ...

Page 53: ...SDR2 in the system Mic sign MicPC enabled green disabled red Headphones sign sound output in the PC s Sound Card enabled green disabled red U Voltage supply indicator measured inside the transceiver I Current consumption indicator measured inside the transceiver The temperature inside the transceiver Yellow warning triangle in case you ve enabled the BreakIn with CW or SSB mode Coordinated Univers...

Page 54: ...ton If you are satisfied with the changes and don t want to change anything else click the OK button to close the Options window Warning i We recommend you study this section of the manual very carefully because many settings are hidden in the sub menus 5 7 1 Device In the Device menu you can find software functions of the signal processing and hardware settings Device Shows that it s ExpertSDR2 f...

Page 55: ... for the whole HF 0 65 MHz or VHF 95 155 MHz band Auto enable set the Auto enable checkbox to auto enable the RX wide filter when the band scope and or the second receiver on the other band are switched on VHF LNA set the VHF LNA checkbox to auto enable Low Noise Amplifier for the VHF band Use external reference set this checkbox to enable REF input on the rear panel of the transceiver and synchro...

Page 56: ...l gets stronger this value determines how quickly the AGC will decrease gain Decay when a signal gets weaker this value determines how quickly the AGC will increase gain Hang time sets time in ms to keep the signal level the same after the Attack period is over and before the Decay period is initiated Default reset AGC setting to the default level Press the Default button if you set wrong AGC valu...

Page 57: ...ing quality the higher the value the more effective filtering of the required signal from the noise APF Analog peak filter for CW and SSB mode Provides a more comfortable listening of the CW signals by amplifying the CW signal in the center of the receive filter triangle filter s AFC amplitude frequency characteristic in the filter bandpass Gain Analog peak filter amplifying factor Quality Analog ...

Page 58: ...pectrum scope If noises have white spectrum not pulse with low level lower than useful signals the NB cannot be used in this case use NR DSE Digital Surround Effect for CW signals Provides a space orientation in stereo phones stations from lower frequencies are louder in the left channel stations from higher frequencies are louder in the right channel The signal in the filter s center is equally h...

Page 59: ...quency offset requirement depends on the used digital mode program Look at the instruction of your digital mode program Sync with RX set this checkbox to make TX filter bandwidth equal to RX filter bandwidth Note Limits of the TX filter bandwidth in SSB mode low from 10 Hz up to 10000 Hz high from 60 Hz up to 18000 Hz Tone settings for the dual tone signal Enable enable the dual tone transmission ...

Page 60: ...olume for TX coefficient keeping a good quality of TX signal The Peak level set in ExpertSDR2 is 0 dB The RMS signal level is 3 times weaker by amplitude than peak level TX signal recorded by the Voice Recorder is transmitted on the air without processing e g TX processing module does not influence signal transmitted via the Voice Recorder PA control external PA control settings Enable PA in Tone ...

Page 61: ...on t add more delay We recommend setting this checkbox only if you operate in SSB and monitor your signal via Sound Card to achieve the lowest monitoring delay values High SWR protection Trigger threshold of the transceiver s high SWR protection in the TX mode Warning i Raising the SWR protection trigger threshold higher than 4 may lead to transceiver failure 5 7 1 4 CW On the CW tab you can see t...

Page 62: ...arately for the RX mode and TX mode The Ext Ctrl connector output consists of the keys with open collector For more details on how to use the Ext Ctrl connector look up the Connecting an external PA fan relay etc to the SunSD2 PRO document The best way to use this feature is to switch the narrow band filters in the RX mode and switch the LPF in the TX mode Also you may arrange your own antenna swi...

Page 63: ... example of using the keys in the 160M 80M and 60M bands for both RX and TX modes While working on the 160M band in the RX mode 1 key is enabled if turn to TX mode 1 key is still active While turning on 80M band 2 key will be enabled 1 key will be disabled it is active in both RX and TX modes While turning on 60M band 3 key will be enabled 2 key will be disabled it is active in both RX and TX mode...

Page 64: ... the settings To read the current settings state from the memory press the Read button Auto read happens with every software launch New IP Address an input box to enter new IP Address New Port an input box to enter the New Port Set IP Address a button to activate the new values of the IP address and Port Power Correction output power correction menu set the output power value for each band Value 1...

Page 65: ...ay time 9 996 or 4 996 in night time The higher the calibration frequency the better 5 Zoom in panorama to the max level 6 Check if peak of the signal is away from the red tuning filter then change the Frequency coefficient until they match After each change press the Write button because these corrections are stored in the transceiver s firmware If you have a generator with the known signal then ...

Page 66: ...TRL indicators Default Default hardware settings button Press the Default button to return to the default settings Read Read the hardware settings from the transceiver s memory Press the Read button to read the hardware settings from the transceiver s memory Write Store the hardware settings Press the Write button to store the hardware settings in the transceiver s memory 5 7 2 Sound card In the S...

Page 67: ...iggest latency Enable Checkbox to enable PC s sound card Set the Enable checkbox to enable sound output via the sound card Input select the sound card s physical input and driver type Output Select the sound card s physical output and driver type Buffer size of the buffer Note Before you ll enable the Sound card by the Enable checkbox make sure that all sound devices settings are set correctly Sam...

Page 68: ...hat all sound devices settings are set correctly Sample rate is always 48 kHz Line out always operates in 2 channels Wave file Enable Set the Enable checkbox to start recording of the wave file C Users xvl104 ExpertSDR2 example Select the folder where the recorded file will be stored Name the recorded file File length set the length of the recorded wave file up to 59 minutes Convert output file to...

Page 69: ...eived by the ExpertSDR2 which can be transferred to the third party software via VAC TX select the input and driver for the audio signal generated by the third party software and transferred to the ExpertSDR2 via VAC for transmission on the air Sample rate sampling frequency Buffer size of the buffer RX gain additional signal amplifying in the virtual audio cable s RX path in dB TX gain additional...

Page 70: ...ain tab you can see the settings of the transceiver s software main window display Title text Input box to enter the title Enter your call sign or other information in the Title text box it will always be displayed in the software title Country select the country where are you working on the air Correct country should be determined by the System This setting determines the ITU region Language Inte...

Page 71: ... checkbox Set the Autostart device checkbox to automatically start the receiver after the launch of the software Recommended checkbox setting on Show current profile in window title Display the current profile in the software window title Set the Show current profile in window title checkbox to display the current profile if the profile is on in the software window title Display 4K display mode fo...

Page 72: ... Spectrum scope averaging type menu Select the averaging type from the list Linear root mean square Rms Exponential which suits you best Averaging num A number of samples for averaging Set the required amount of samples for averaging The bigger a number of samples the slower the spectrum will change on the graph Update period Spectrum scope update period Set the required specter s graph update per...

Page 73: ...VFOA Zoom center marker locked on the VFOA position on the spectrum scope Set the Zoom center follows VFOA checkbox to enable the zoom center marker lock on the VFOA position Animation Spectrum scope animation while transitioning between bands Set the Animation checkbox to enable animation Show cursor info Show frequency and dB level of the cursor position Set the Show cursor info checkbox to enab...

Page 74: ...d VFO B frequency becomes equal to VFO A frequency Show broadcast HF bands enable for display of broadcast HF bands on panorama and Band Scope Show EiBi stations show the HF stations markers on the panorama from the EiBi database Hover with the mouse pointer on the station frequency and you ll see its name Hide spectrum slopes cut of unusable spectrum slopes Hide disabled NF check to hide disabled...

Page 75: ... levels Offset bottom Offset input box by the bottom dB level relatively to signals level Set the offset in the Offset bottom box to determine the minimum brightness relatively to the min signals levels Render mode waterfall render mode menu Rainbow Monochrome Custom Select the required color render of the waterfall depending on your choice or tasks In the Custom mode you have three colors presets...

Page 76: ...the required color of filters and the necessity to display the additional text information Show filter on waterfall Show receiver s filter on the waterfall Set the Show filter on waterfall checkbox to show receiver s filter on the waterfall Show filter text Show text info near the receiver s filter on the spectrum Set the Show filter text checkbox to display filter s tuned frequency signal level i...

Page 77: ...ory displayed RIX XIT active zone settings Rit Xit zone color RIX XIT active zone color menu Choose the required RIX XIT active zone color from the palette Transparency RIX XIT zone transparency slider Set the required RIX XIT zone transparency 5 7 4 6 Background On the Background tab you can see the spectrum scope background settings Background type Spectrum scope background type menu Solid Gradi...

Page 78: ... image brightness slider Set the required background image brightness User image Choose the required image to be displayed on the background Press the Open button in the opened window choose the image file to set as the background Note If the image file wasn t chosen previously via the Open button then if you choose the User image in the presets list it ll open the window to choose the image file ...

Page 79: ...AT system is the transceiver s exchange interface with external devices and software CAT interface is used for control of the transceiver from a third party software This could be contest logs digital modes decoder software SAT tracker etc RX1 and RX2 have independent settings and could be controlled separately via the CAT protocol 5 7 5 1 ECATv1 ECATv1 exchange protocol compatible with TS 480 tra...

Page 80: ...m Radio Deluxe software Global volume control When this checkbox is enabled you control the global volume with the Volume slider on the top of the software window from the CAT system Recommended when you use one RX or VFO A only SubRX is disabled Enable PTT Checkbox to enable control of the TX mode via the COM port Set the Enable PTT checkbox to enable the control of the TX mode via the COM port P...

Page 81: ...ceiver s RIT offset Set RIT offset Reset RIT offset Enable transceiver s XIT offset Set mode type Enable SPLIT In the OmniRig menu you can find the settings of the OmniRig software Enable set the Enable checkbox to control the receiver via the OmniRig software Settings press the Settings button to open the OmniRig software settings Note If the ExpertSDR2 software uses OmniRig protocol to exchange ...

Page 82: ...anel In the Panel menu you can see the settings of the E Coder control panel In the drop down Device menu you can select the type of the connected control panel In the meantime only one type is available E Coder Note If one E Coder panel is connected to the PC in the Panel menu will be displayed one E Coder 1 tab if several E Coder panels are connected to the PC in the Panel menu you ll see severa...

Page 83: ...f the software updates You can make a request to add a new function on the control button The following functions may be assigned to the E Coder panel buttons Unused button is unused Main AGC Up Down AGC type switching Band Up Down band switching Filter Up Down receiver s filter switching Mode Up Down mode switching MOX enable disable manually operated transmit mode PA enable disable power amplifi...

Page 84: ...RIT offset to 0 Sub RX On Off enable disable SubRX Split enable disable Split mode Switch DDS IF tuning the frequency by moving the filter over the panorama in other words changing the digital IF or when filter stands still and spectrum moves this is the central frequency tuning Switch Receiver switching between software RX1 and RX2 The main knob will tune the frequency of one of the receivers XIT...

Page 85: ...Mute switch off the sound Switch RX and mute former change the software receiver and mute former one TX Play turn to TX and play the signal record in air Voice recording enable disable voice recording Volume Up Down volume adjustment DSP ANF enable disable auto notch filter APF enable disable analog pick filter BIN enable disable binaural mode NR enable disable noise reduction NB1 enable disable n...

Page 86: ...rom the panel to TCI has higher priority than PTT to COM port PTT to COM port rerouting of the PTT signal from the panel to the COM port Set the PTT to COM port checkbox to enable rerouting the PTT signal Port name COM port number DTR RTS select the COM port line which is used for transferring the PTT commands Set one of the DTR RTS line checkboxes to set it as the control line Volume set the volu...

Page 87: ...ram s button Press the Prog X button to open the File explorer and select exe file of the required program Delete button Delete program Press the Delete button if you want to remove a program from the autorun list Arguments Argument input box Enter some text in the arguments input box for the corresponding program Note Arguments allow to the same program to be launched with different settings file...

Page 88: ... between the transceiver s software and ExpertSync Blue indicator means there is a connection Sync RX1 RX1 receiver sync button Set the Sync RX1 checkbox to synchronize the RX1 receiver with the remote RX1 receiver Sync RX2 RX2 receiver sync button Set the Sync RX2 checkbox to synchronize the RX2 receiver with the remote RX2 receiver Sync filter set the Sync filter checkbox to synchronize the filt...

Page 89: ...r localhost if you want to connect to the CW Skimmer which is installed on the transceiver s PC Port Data exchange port Enter the exchange port number in the Port input box Callsign Callsign input box Enter your callsign if the server requires it Password Password Enter the password if the server requires it To transfer the IQ signal in the CW Skimmer you need to adjust the settings of the audio d...

Page 90: ...Tune frequency from CW Skimmer to tune the ExpertSDR2 frequency by the mouse click on the station in the CW Skimmer 5 7 10 Shortcuts In the Shortcuts menu you can see the shortcut key combinations settings With the key combinations you can control the transceiver from your keyboard Note Shortcuts will be active only if the transceiver s software window is in focus Enable Enable shortcuts Set the E...

Page 91: ...s Format select the format of IQ recording ExpertSDR2 HDSDR or standard WAVE 5 7 12 TCI With the help of TCI you can set up a WEB socket connection between ExpertSDR2 and third party software with TCI support TCI Transceiver Control Interface was developed for simple and still advanced connection between the ExpertSDR2 and third party software TCI has all required control commands similar to CAT s...

Page 92: ...meters of the manual CW keyer WPM speed of the keying words per minute DOT length of the dot DASH length of the dash percent of the dot length DASH DOT pause pause between symbols if 100 it equals the ideal dot length Pause pause between characters it equals the 3 DOTs length Delay before TX delay between turning to TX mode and starting the CW manipulation Note All parameters set in are calculated...

Page 93: ...ght half of the menu you can add connections to telnet clusters to receive spots To add a cluster enter a server address you may find examples on this website http www dxcluster info telnet index php enter your callsign and select a certain color press the Add button it s done To delete a server connection select it and press the Delete button on your keyboard Note Enable the Show spots checkbox i...

Page 94: ...kHz dB N A Reciprocal Mixing Dynamic Range 2 kHz dB N A Local oscillator TCXO ppm 20 MHz 0 5 ppm ATT Preamp 20 dB 10 dB 0 dB 10 dB Additional VHF preamplifier dB 27 SunSDR2 DX has a set of octave band pass filters for the HF band narrow band pass filter for the 2М band and wide filters for entire Nyquist zones 0 65 MHz 95 155 MHz 9 x HF octave band pass filters 160M 0 2 5 MHz Chebyshev I 7 Order 8...

Page 95: ...tations coming from VHF On VHF there is 1 dB attenuation in comparison to HF which does not influence sensitivity because there an 27 dB VHF LNA 6 2 Transmitter Characteristic Value TX frequency range M All amateur bands 160 6 2 M RF DAC bit MHz 14 640 Built in audio DAC resolution bit 24 Maximum output power on HF W 100 Maximum output power on 6M W 50 up to 60 Maximum output power on VHF W 7 up t...

Page 96: ...in RX TX V 8 14 8 10 14 8 Recommended DC voltage V 13 8 Current consumption RX TX A 1 2 24 Power consumption RX TX W 16 5 330 Operating temperature C F 0 50 32 122 Note SunSDR2 DX cannot turn to TX when connected to a 15V power supply The max allowed power supply voltage for TX mode is 14 8V if higher internal amplifier won t work The fan of the transceiver is controlled via the firmware it should...

Page 97: ...nchecked 7 If everything is done correctly you will see the air noise on the panorama and hear the sound in the headphones 7 2 Remote operation Over the following link you may find the manual which thoroughly describes how to operate the SunSDR2 DX transceiver remotely 7 3 Frequency Tuning There are several ways of the frequency tuning Fine tuning More accurate tuning can be performed by rotating ...

Page 98: ...left right Note Basically this is not a way of tuning It allows observing the air outside the panorama window not changing the tuning frequency Сlick on the digit of the frequency indicator Left button increase value right button decrease value wheel all digits on the right become zero Rotate mouse wheel on the digit of the frequency indicator Rotate forward increase value rotate backward decrease...

Page 99: ... switch for both software RXs on all bands 7 5 Voice Recorder Operation Voice recorder records the signal in the RX filter and the signal of your own microphone in the TX mode Record of the receive voice signal 1 Press the Rec button to start recording 2 Press again the Rec button to stop recording Note Recording of the received signal is available in all mode types Recorded files are saved in thi...

Page 100: ...essing e g TX processing module does not influence signal transmitted via the Voice Recorder Attention recordings of the air signals should be used for personal use only SunSDR2 DX operator bears full responsibility for using the recorded signal You may record your own CQ come quick signal and transmit it on the air by pressing the Play button 7 6 SPLIT operation VFO A TX VFO B TX SPLIT operation ...

Page 101: ...ow means the Sub receiver is enabled 3 Set the required TX frequency VFO B 4 Listen to the VFO A and VFO B frequencies simultaneously Note Sub receiver s red tuning line means that you ll transmit on the VFO B frequency You can switch the TX status between VFO A and VFO B by pressing the RX indicator near any VFO tuned frequency 7 7 RIT XIT Sometimes you need to use RIT XIT modes 7 7 1 RIT The RIT...

Page 102: ...requency tuning changes a bit Press and hold the left mouse button inside the RX filter to move it over the panorama Press and hold the left right button inside the RX filter to move the whole panorama with the filter Press and hold the middle mouse button inside the RX filter then move the mouse cursor out of the filter bandwidth the O indicator will show the frequency difference between the mous...

Page 103: ... by Erik Carling EI4KF 7 9 Firmware based protections There are several types of protections which are unique for SunSDR2 DX they are implemented in the transceiver s firmware 1 Transceiver will not go to TX mode if SWR is 5 and the output power is higher than 25W 2 If the output power is 25W or lower software will try to lower the SWR level for 5 seconds if SWR cannot be lowered below 5 transceiv...

Page 104: ...unSDR2 DX transceivers on the same PC simultaneously 1 Make sure both transceivers have different IP addresses and ports To do that connect one transceiver to a PC and set to it new static IP and port they should deffer from the default values by at least 2 2 Create 2 ExpertSDR2 launchers on the desktop and add different text in the Target field Example For the 1st launcher C Program Files ExpertE...

Page 105: ... have the default IP address 192 168 16 200 and ports 50001 50002 In case there is something wrong with the device but you cannot connect with it to figure it out you may try to do a deep reset 1 Switch off the transceiver with the PWR button 2 Press and hold BT and RST buttons simultaneously 3 Switch on the transceiver with the PWR button The LED will blink different colors green and red 4 Releas...

Page 106: ...er with the PWR button 2 Press and hold the BT button on the rear panel of the transceiver you will hear a light click 3 Switch on the transceiver with the PWR button The LED will blink with a single green light 4 Release the BT button 5 Launch ExpertSDR2 software and open Options Device menu Expert tab and press Firmware update 6 After firmware update is finished LED will turn to constant green l...

Page 107: ...se A license is required to use this equipment and the operator must comply with the national frequency allocations for the county of use Testing Company Engineering Technological Academy of South Federal University in Taganrog Place of issue Nekrasovsky lane 44 Taganrog Rostov region 347928 Date of testing October 1st 2019 RoHS Directive Expert Group LLC confirms that we place on the market produ...

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