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USB Interface III

1. amp C Limiting speed e COM TxD FSK FSK output PTT output C D Poling and Limiting speed TXD C TXD f RIS RIS Please try to test B C D if vou have a trouble fes New Roman Set 0 DIR t DIR in the USB COM adaptor C Limiting speed A seems to be well rier New Set jo ese English EI OK Cancel Inv FSK inv PTT PTT ON 1F 1F 1F 1F iF 1F iF iF 1F 1F 1F 1F iF iF iF iF To use EXTFSK the same port must be selected for PTT and CW in the USB Device Router and that port specified in the EXT FSK window FSK must be defined as DIR and PTT must be defined as RTS Note COM6 is selected in this example However the actual port will depend on the virtual port assigned for CW and PTT in Router If the transmit signal is reversed its polarity can be changed by clicking the Inv FSK check box 24 microHAM 2010 All rights reserved APPENDIX D RFI Considerations A few guidelines to eliminate problems caused by RFI 1 Proper grounding of all electronic equipment is critical A modern station contains many diverse types of interconnected and interrelated equipment transceiver power amplifier computer control boxes switch boxes and power supplies Each of these must be individually grounded with a separate connection to a single common ground point thus forming a star ground connection Proper grounding of computers both desktop and laptop is often overlooked A separate
2. 5 Plug in the USB cable and proceed to configuring Router for your station and software microHAM 2010 All rights reserved Device Manager File i ks E o m aea e allra Configuring USB Audio CODEC lolx Action View Help AR IDE ATAVATAPI controllers 5 gt Keyboards 2 Mice and other pointing devices B Modems E9 Network adapters E PCMCIA adapters Ports COM amp LPT gp Processors Ei Sound video and game controllers Ei Audio Codecs 9 ESS 1969 PCT AudioDrive DM E Legacy Audio Drivers 2 te Legacy Video Capture Devices E Media Control Devices E Standard Game Port e sal LISE Audio Device E Video Codecs ai System devices e GE Universal Serial Bus controllers Speakers SoundMAX Ir HOPI Digital Output Device SPDIF SoundMAX Integrated Digital HD Audio V m Liu VOTE tm LE Speakers USE Audio Device OPEL Line 1 LP pr ni sk Le PTT Talia JIU AUDIO LADIE Windows will automatically install the USB Audio Device driver to support the USB Audio CODEC in USB Interface Ill Windows automatically selects any newly installed audio device as the default device for Sound Playback and Sound recording This is undesirable as Windows Sounds would be played through USB Interface Ill Audio Voice Hardware Volume Sounds Sound playback Default device Volume Advanced Sound recording A Default de
3. numbers Creating a virtual port may take a while DW E ELTIMA Virtual Senal Port COM be patient JF ELTIMA Virtual Serial Port COMB TN ELTIMA Virtual Serial Port COM9 Intel R Active Management Technology SOL COMA Delete Deletes any single virtual port a Processors FE Sp hirae Delete All Deletes all previously created virtual en Smart card readers ports and resets Virtual Serial Port bus SN Sound video and game controllers D Storage controllers itll System devices pn Do not delete a virtual port unless all applications using that port have been closed NOTE Properly working ports should not display an exclamation mark 1 HELP MENU Manuals Link to microHAM manuals located on your system Setup Guides Link to software configuration guides for many common applications Cable Schematics Link to cable diagrams Download Documents Downloads microHAM documentation including updated manuals and setup guides You may specify the products for which you want documentation NOTE Requires an Internet connection microHAM Home Page Link to www microHAM com microHAM Downloads Page Link to www microham com contents en us d29 html Show Tooltips When checked small single line help is displayed below the mouse cursor Update Router Download and install the most recent version of Router About Shows the Router s internal version number Change logs Shows the Router and firmware changes
4. 600 Ohms typical Dynamic Range 87 dB typical A D sampling rates 8000 11025 16000 22050 32000 44100 48000 Hz Dimensions W 103mm 4 1 8 x H 28 mm 1 1 8 x D 101 mm 4 Weight 1100g 2 4 Ibs 21 microHAM 2010 All rights reserved DECLARATION OF CONFORMITY C Federal Communications Commission Statement USA This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation European Union Declaration of Conformity microHAM s r o declares that the products Product Name USB Interface Ill Conforms to the following Product Specifications EN 55022 1998 Class B following the provisions of the Electromagnetic Compatibility Directive 89 336 EEC 22 microHAM 2010 All rights reserved APPENDIX A DB15 RADIO CONNECTOR Pin Label Description 1 Power 13 5V 12 16V DC input 9 CAT IN Control port input 2 CAT OUT Control port output 10 SQL1 Level squelch input 3 SQL2 Impedance squelch input 11 PTT PTT output open collector 4 CW CW output open collector 12 N A Not connected 5 FSK FSK output open collector 13 AUDIO OUT S Radio AUDIO input signal 6 AUDIO OUT GND Radio AUDIO input ground 14 AUDIO IN MAIN S Radio AUD
5. ground connection should be run from the computer to the station common ground point The best place to ground a computer is a screw with a good connection to the case On a laptop this is often the retaining screw on a D sub connector e g VGA output on a desktop it is often the screws holding the power supply It is absolutely important to prevent ground currents from flowing to the common ground point by way of the signal cable If you use a microHAM keyer a good test is to remove the DB15 DB37 connector and USB cable from the keyer and measure the resistance from the shell of the DB15 DB37 to the shell of the USB cable There should be NO MORE than FIVE 5 Ohms and preferably less than TWO Ohms between them Note many PC manufacturers fail to provide an adequate connection between the shell of the USB connector and the PC case If this is the case a connection can be established by bridging a folded piece of aluminum foil between the shell of the USB connector and the PC case Power all your equipment from a single wall outlet The safety ground often exhibits excessive noise between power outlets sometimes often due to other equipment powered from the same branch circuit lt is always better to avoid this source of noise interference It is also a good idea to check the power distribution for loose connections reversed neutral ground open ground and other wiring problems Sometimes the USB cable can be a source of RF inter
6. use handshake on radio port Configure DTR and RTS settings in your application program logger to OFF DO NOT select Handshake ze TIP Disable AUTOBAUD in Icom transceivers Set the radio Router and application software to ei operate at 9600 or 19200 baud When an application opens the COM port assigned for control usually at start up Router shows the channel as open and displays baud rate data bits parity and number of stop bits used by the application For example 4800 8N2 means 4800 baud 8 bits data length parity none and two stop bits Data flowing through the Control channel is indicated by two arrows A green arrow indicates data flow from the host application to the radio and a red arrow indicates data flow from the radio to the application Radio control fata wc open 4800 8N2 4h The virtual COM port assigned for Control can be shared with CW and or PTT but sharing must be specifically supported by the application Many applications do not know how to share the radio port with other functions use the control lines RTS CTS DTR DSR for handshaking or apply a fixed level 13 microHAM 2010 All rights reserved CW PORT By their very nature USB ports are not well suited to transfer the real time events required for CW keying on virtual serial port control signals DTR In addition to the latency in USB there are also latencies caused by computer CPU load internal W
7. 12 microHAM 2010 All rights reserved PORTS TAB Once the virtual ports have been created they must be associated with a specific device channel e g Control CW PTT etc These assignments should correspond to settings of the application software and must be configured first in Router then in the application eg logging program MMTTY STREAM etc Proper assignment of the virtual COM ports is vital for integration with loggers Read the following information carefully USB Interface III has four functions with indication of the state and settings applied by the host application Radio Control uses RxD and TxD CW uses DTR PTT uses RTS Squelch uses CTS General note Do not assign virtual ports for a function which is not used by your application It is unnecessary and only consumes resources RADIO PORT The control channel is used by the host application to control transceiver frequency mode T R switching and many other parameters The application communicates with the radio using a serial protocol Most modern radios implement some form of serial control but almost every radio implementation is different The amount of radio control depends on the particular application and radio TIP The COM port number assigned in Router MUST match the port number assigned in the host application First configure the virtual COM ports in Router then configure the application NOTE The USB Interface III does not
8. 8000 He e 6 SETTING AUDIO LEVELS There are two pots on the USB III front panel for adjusting audio levels The TX Pot adjusts the level of audio to the transmitter The RX Pot provides adjustment of the audio from the radio to the sound card computer IMPORTANT Many transceivers including all Yaesu transceivers MUST be switched to special digital mode DIG PKT DATA USB D LSB D etc to enable the rear panel line input Some tips from Geoff Anderson G3NPA TIP If you have achieved the correct settings for the transmit levels with audio compression disabled changing from a single tone to the PSK idle should make transmit power drop by at least 50 as observed on an RMS or average reading meter This change in power is correct If you do NOT see a 50 or more change you are probably over driving the radio Please note that some radios have inbuilt power meters which give a PEAK reading and therefore the change in level discussed above will not be observed Q TIP Don t fall into the trap of thinking that because the transmit signal on the waterfall looks good that your actual signal is OK All the waterfall is showing during transmit is the local audio and NOT the resultant transmitted signal 16 microHAM 2010 All rights reserved Setting audio levels in Windows 2000 and Windows XP If you are using Vista or Windows 7 skip to the next section 1 On the Audio Mixer and select your sound card in both the T
9. Control Panel e double click Speakers USB Audio Device e click Levels tab and unmute the Speakers e click Balance and set LEFT to 80 and RIGHT to 100 NOTE to enable pseudo FSK or CW audio keying on the right channel the right channel level must be at 100 Any value below 90 will disable the detector output The Speakers level must be at maximum 18 microHAM 2010 All rights reserved 6 Switch your transceiver to AFSK mode PKT DIG or DATA for Yaesu LSB D or USB D for current Icom transceivers RT TY or RTTY R on K2 and USB or LSB for Kenwood TenTec and older Icom transceivers Do not select RT TY or FSK they do not use the audio input IMPORTANT Many transceivers including all Yaesu transceivers MUST be switched to special digital mode DIG PKT DATA USB D LSB D etc to enable the rear panel line input 7 Click the Test Signal button and adjust the LEFT level for normal rated output on your transceiver while keeping the ALC meter as low as possible Turn off the Test Signal NOTE For the Elecraft K3 only Do not adjust the LEFT slider Instead adjust the Line In level Mic Gain in the K3 until the ALC shows five 5 bars 8 Select the Recording tab in the Sound Control Panel e double click on Microphone USB Audio Device e click Levels tab and unmute input e set level slider to 80 and click OK 7 SYSTEM CONSIDERATIONS USB Interface III can be used with a wide variety of softwa
10. IO output signal main receiver 7 AUDIO IN MAIN G Radio AUDIO output ground 15 N A Not connected 8 N A Not connected SHELL GND Radio and power GND 23 microHAM 2010 All rights reserved APPENDIX C FSK with MMTTY The USB III does not support FSK in the traditional way However the unit can be used for FSK with the proper software Each radio specific cable set includes FSK connections which are shared with the CW output USB III supports FSK from the RTTY program MMTTY when the special MMTTY EXTFSK utility is used Setup MMTTY Demodulator AF C ATC PLL Decode TX Font Window Misc DIDDLE TX PEF i Digital Output F UOS GE Port Exes NONE Double shift NONE The EXTFSK DLL file must be C BLE TT Di Vai Wai iddle Wai 5 LTR Disable Wait Char Wait Diddle Wait copied into the same directory in which MMTTY exe ts located and Pain abee Doeoeine AREE WaitTimer Always fix shift i MMTTY must be configured to use TxBPF TxLPF _ Macro OM EXTFSK for PTT and FSK F Tx BPF Tap 48 i Your Callsign Input Button TEE DEAR am REM M Convert Immediately Set Default Demodulator One of the FSK options must De Demodulator AFC ATC PLL Decode TX Font Window Misc selected in Tx Port on the Misc tab and Method C must be selected from the USB Port button Processing method a Tx Port EXTFSK 1 05 Sound Port F0 sae Status OK S ee fee ee
11. M 2010 All rights reserved 4 INSTALLATION Installing USB Interface III consists of several steps 1 prepare USB Interface III to work with your radio 2 1 Install the necessary driver software for your operating system Configure the driver and or application software for your specific system configure the USB Audio CODEC configure Router Preparing USB Interface Ill for Use Remove the top cover from the USB Interface II and set the CAT jumpers as shown in the following chart The CAT interface jumpers must be configured to select the proper level for each radio type Kenwood TS 480 570 870 2000 TenTec all radios with DB9 or DB25 connectors Yaesu FT 450 FT 847 F 920 FT 950 FT 1000MP Mark V Mark V Field FT 2000 FT 9000 IF 232 RS 232 levels Elecraft K2 K3 Icom 7800 JRC JST 245 IF 232 levels Kenwood TS 140 440 450 680 690 711 790 811 850 940 950 FIF 232 levels Yaesu FT 100 736 747 757GXIl 767 817 840 857 890 897 900 980 990 1000 1000D FIF232 CI V levels Icom all radios except 7800 with RS 232 TenTec all radios with 3 2 mm connector CI V NOTE the CAT interface is not configured at the factory Plug the DB15M on t
12. X and RX boxes 2 Click on the Get ID button and confirm that the correct sound card is selected 3 Set the TX Master and Wave levels to 80 4 Switch your transceiver to AFSK mode PKT DIG or DATA for Yaesu LSB D or USB D for current Icom transceivers RTTY or RT TY R on K2 and USB or LSB for Kenwood TenTec and older Icom transceivers Do not select RI TY or FSK they do not use the audio input 5 Click the Test Signal button and adjust the TX WAVE slider for normal rated output on your transceiver while keeping the ALC meter as low as possible NOTE For the Elecraft K3 only Do not adjust the TX WAVE slider Instead adjust the Line In level Mic Gain in the K3 until the ALC shows five 5 bars 6 USB Interface III has no slider sliders for the sound card line in the receive audio level is set with the front panel control 7 You may want to store these Router settings to the last preset Click Preset Save as choose position number 12 name it Default and store settings TIP When you start to create your own presets always begin by selecting the default preset This will configure the audio levels to the proper state before starting any customization 17 microHAM 2010 All rights reserved Setting audio levels in Vista and Windows 7 Because Vista and Windows 7 do not allow one application to set the overall master audio levels it is necessary to set up the sound card levels using the Windows Sound Con
13. are Creating and Using Virtual Serial Ports microHAM Router provides a set of virtual serial ports which allow Windows applications loggers and digital software to work with USB Interface III just as they would work with real hardware serial ports In order to use these virtual Ports you must first create the ports and then assign a function radio control PTT CW FSK etc to each virtual port DO NOT define a port that is already in use for example COM1 or COM2 which are hardware ports on many motherboards or a virtual port used by another USB device Router will not allow using a COM port number which is already present in the system but ports are sometimes hidden If a another device which also uses virtual serial ports external USB devices bluetooth devices PDA etc is not connected to the computer when creating virtual ports in Router the ports can overlap and will not work properly when you connect such device IMORTANT WARNING Before creating virtual COM ports attach all external devices you will use with the computer Restart Router and then create the virtual COM ports Router Preset Device Help Create Delete Delete All Virtual ports are created from the Virtual Port menu w USB Interface III Ports Delete Deletes any single virtual port Create Creates virtual COM ports It is possible to select more than one port at a time by holding the Ctrl key and clicking several port n
14. e PTT from the computer to the radio click on the Test button with no port assigned or the port closed Activating the Test button will cause the radio to key if one is connected NOTE The test button is NOT available when the PTT port is open SQUELCH PORT Even though most applications do not monitor the squelch and do not have the ability to perform specific functions based on its status we have decided to include this feature in Router Perhaps someday applications will be able to detect the squelch and use this information for automated functions like audio recording When a port is selected for Squelch Router reports the Squelch status using the CTS signal 14 microHAM 2010 All rights reserved AUDIO MIXER TAB NOTE The Audio Mixer is not available under Windows Vista or 7 Those operating systems do not allow an application like Router overall control of the sound device See Chapter 6 Setting Audio Levels for instructions on configuring audio under Vista and Windows 7 USB Audio CODEC TX En En RX mm 1 LEFT RIGHT LEFT MASTER WAVE MASTER wave i gt Ca gt g 10dE L gt 2 d S0dE dE 50dE i T0dE b 100 100 100 30dE H Test Signal Sampling 43000 Hz TX transmit level These controls adjusts the output transmit level If the channels are active the green rectangle wil
15. ference the cable might have inadequate shielding or the transceivers in PC might be improperly designed causing data flowing inside the cable to be reflected as a common mode current on the shield of the cable This common mode current can radiate a significant digital noise If this is the source of your problems it can be significantly reduced or eliminated using ferrite chokes on both ends of the cable Two or three turns through a 31 mix FT240 toroid are better than the common snap on ferrites of unknown mix Often another cause of RFI problems is a common mode current flowing along the antenna feedline into the shack It is a common misconception that the only thing required of a feedline is that it have low SWR Unfortunately a low SWR does not guarantee low common mode current These common mode currents are conducted into the shack where they can radiate from the feedline induce currents in any nearby metal object and or be conducted into the interconnected equipment Common mode currents on a feedline are indicated by problems that differ in intensity from one band to another or from one end of the band to another by problems that change when a feedline is moved or its length changed where the problem moves from one piece of equipment to another based on band and or where the severity changes with transmit power level The solution is to use common mode chokes to prevent the current from entering the shack This topic has been given tho
16. he radio cable set into the DB15 connector on the rear panel of the USB Interface III and plug ALL connectors from the cable set to the appropriate jacks at the rear panel of your transceiver Each connector on the radio interface cable is marked same as the matching jack on your transceiver lf the radio cable ends with leads for external power connect these leads to a 12 16V DC power supply Be sure to observe the proper polarity Prepare but do not connect the USB cable from USB Interface III to your computer If you will be installing on a Windows computer skip to Installing microHAM USB Router microHAM 2010 All rights reserved Mac OS X INSTALLATION 1 Insert the microHAM CD in your 60 Install FTDIUSBSerialDriver Kernel Extension C D RO M DVD drive and navigate to E Welcome to the FTDIUSBSerialDriver Kernel Extension Installer Drivers OS X or use your web browser to go to htip www ftdichip com Drivers VCP htm and down load the latest driver image for Welcome to the Mac OS X Installation Program You will be Introduction guided through the steps necessary to install this software Red Me Select Destination OS X Installation Type 2 Open FTDIUSBSerialDriver_v2 2 14 dmg us by clicking on it 3 For OS X 10 4 10 5 or 10 6 open FTDIUSBSerialDriver 10 4 10 5 10 6 and follow the instructions to install 4 Plug in the USB cable gt ES 5 Turn on the radio or external p
17. iate fields at Audio Mixer tab and will actively control the audio devices Automatically assign microHAM audio devices when checked Router will automatically assign proper audio device of the same name if multiple microHAM interfaces of the same kind are connected to the one computer Does not apply to USB Interface Ill Options DVK DVK not supported by USB Interface Ill Voice message time limit maximum time for each voice message up to 120 seconds Sample rate sampling frequency used during recording and playback of voice messages Sample size sampling size used during recording of voice messages Sampling size primarily effects audio quality of the messages 16bit samples provide higher quality than 8bit Options USB Noise immunity selects how many times an undelivered USB packet will be repeated before the USB device is disconnected from the operating system 9 microHAM 2010 All rights reserved Response time selects how long the USB chip in a device will wait for additional data before sending data to the operating system ee a gt 17 05 Minimize Clicking this will minimize Router to the system UT a bel AL LE tray at the bottom right corner of the Windows Taskbar the System Notification Area t TIP When Router is minimized you can restore it by double clicking on the Router tray icon You can also restore Router by double clicking on the Router icon on the desktop or restarti
18. indows message processing inter process communication and data flow from other peripherals using the USB ports This can result in transmitted characters being garbled To minimize these unwanted operating system effects Router uses a specially developed oversampling and prediction algorithm to assure the smoothest possible transfer of control signal events over USB By using these techniques CW keying in the Router is in most cases usable up to 50 WPM if the application generates keying signals accurately and does not consume 100 of CPU time at the highest priority class Activity on the CW channel is indicated by red arrow The red arrow will light in time with the transmitted CW Du me M DTR Test characters when port is properly configured in the application To test operation of CW from the computer to the radio click on Test button with no port assigned or the port closed Activating the Test button will cause the CW output to close NOTE The test button is NOT available when the CW port is open PTT PORT The PTT channel is used to switch the transceiver between transmit and receive Router allows assigning Th mme i ATs Test a virtual serial port to the PTT channel Activity and the state of PTT channel is indicated by arrow If port is opened it does not mean that is properly configured for PTT keying The arrow will light during the entire transmission when port is properly configured To test operation of th
19. l be on If not click the TX Mixer button and unmute the master Volume Speaker and Wave controls There are two sliders for each audio channel the WAVE slider the AFSK or PSK level control and MASTER slider the Master Volume or Speaker control As a starting point set the MASTER level to about 80 and the WAVE level to k LAN k about 50 Adjust WAVE for proper drive when using digital modes The Right channel is used only for pseudo FSK and CW by some software The sound card configuration depends on the capability of your application software Some software can directly drive the sound mixer controls some can not Router s Audio Mixer tab provides exceptional control over the sound card All level settings are stored into the presets for each application or operating configuration To enable the Audio Mixer you must select the name of the sound card in use The built in sound device is normally identified as USB Audio CODEC in Windows 2000 and Windows XP NOTE Because Windows can reassign sound cards on the fly Router may not invoke the proper mixer if you have more than one sound card in your system To confirm that the proper mixer has been assigned click the Get ID button and check that the sound card name is same as sound card name in the Audio Mixer tab If the names do not match restart Router USB Audio CODEC Tx PS Ei LEFT RIGHT MASTER WAYE MASTER WAYE L gt NOTE To enable pseudo FSK o
20. microHAM 2010 All rights reserved USB Interface III microHAM fax 421 2 4594 5100 e mail support microham com homepage www microham com _ USB Interface III PWR SQL CONTROL PTT CW MIN Version 7 5 5 December 2010 microHAM 2010 All rights reserved TABLE OF CONTENTS CHAPTER PAGE 1 FEATURES AND aen Te LW 3 2 IMPORTANT WARNINGS 0 c cceesescenseecennsesesnssssennsesonnasssennssseonnsssenssssonnsssosnnsseonnsssoses 3 3 PANEL DESCRIPTIONS a ass aa son 4 PAC AI pie ILE ENT NT NP E E O 4 DCS AA m la 4 4 INSTALLATION ss sera san se ete aiie sata ie ces ne ins 5 Preparing Tor USE seana aE EAER EEEE E RERE RE EE EERE NENANA ENERE RERA 5 Macintosh OS X Installation sis 6 Windows Windows 2000 XP Vista Windows Zi 6 Installing microHAM USB Device Router Rs 6 Configuring USB Audio CODEC rss esters scan 7 Configuring microHAM Device Router ccccceeccceeeeceeeeeceeeceeeeeseeeeseeesseeeesanseeseeees 8 Creating and Using Virtual Su GER 8 5 microHAM DEVICE ROUTER aassnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn esse 9 Mona E e 9 Menu Preset WE 9 MIS RL 11 Menu Virtual Hot 12 ICIS a LS 0 e E menu senyaauaaeN men icoN ent 12 PONS e ea E 13 FCO OR ed nn 13 OW PON ee nn 14 OR eneos ersten E E E EE E E EE EE 14 Sie Ee Een dE 14 Audio Mixer Tab 15 6 SETTING AUDIO CEVELS ae ane ea on een 16 Setting audio levels in Windo
21. n To have buttons visible in Router Preset Show Buttons must be checked When the settings from a preset are applied a green light located in the preset button is lit This green light is on ONLY when all settings in Router are same as those stored in the preset II default I test ID Geh D Logger32 ID Ma II writlog ID WinTest I 1201200 3 By right clicking on the system tray icon when the Router is minimized 10 microHAM 2010 All rights reserved The presets and the current router configuration are stored to the registry when Router code is closed and recalled when Router is loaded Exit default Save as Saves the current Router settings to a preset for future use S DX ab Rename Allows renaming of an existing preset Logger32 NIMM Delete Delete chosen preset Vinto Win Test 12 01 2010 Show buttons When checked Router shows the preset buttons EOE DEVICE MENU Router can control several devices This allows configuring the settings for all connected devices at one time by using the Presets Each device has its own tab page in the main Router Router Preset Device VirtualPort Help notebook The content of a device tab depends on device type Adding a device is automatic the first time Router detects a micro KEYER II w USB Interface II supported device USB driver Once detected a device remains in Router even though device is disconnected Each Port
22. ng Router from the Programs menu Exit Clicking on this item will terminate Router NOTE when Router is terminated application software will no longer be able to communicate with USB Interface IIl and the radio PRESET MENU The requirements of each application logging control and digital mode Router Device Virtual programs are different and each program handles radio control CW y md Save As FSK PTT keying and the sound card its own way In some instances what works for one application may not work properly with another To get maximum performance from USB Interface III you may wish to customize the settings for each application Rename Port Delete vw Show Buttons For easy switching among applications Router supports up to 12 user SS definable Presets Different configurations can be stored in these presets DES and recalled almost instantly simply by clicking on the preset button pele Each preset contains the settings for all devices connected to and controlled Geen by Router For example if Router controls a DIGI KEYER a microKEYER a Line CW Keyer and a USB Interface III each preset remembers the settings for all poem four devices including the assignment of COM ports and the contents of all sub tabs except the FSK CW Messages tab There are three ways to apply a preset once it is created 1 Click on Preset and select the desired preset from the pull down menu 2 Click on a preset butto
23. nsceiver The cable carries power for USB Interface III audio CAT control and keying The appropriate transceiver interface cable is specified when USB Interface III is purchased If a Windows PC running the microHAM USB Device Router program is connected USB Interface III works as acomputer interface It transfers all control signals generated by the application program between the computer and transceiver Software compatibility is provided by using virtual serial ports Router monitors these virtual ports and transfers any data or commands by USB to the micro controller in USB Interface III USB Interface III processes this data and sends it to the physical ports of transceiver as CAT CW and PTT functions Hardware Specifications USB USB 2 0 Full soeed USB 1 1 compatible Power consumption USB less than 200mA Transceiver less than 100mA at 13 8V max 16V Radio Port RxD TxD max 57 600 Baud Levels Jumpers selectable TTL inverted TTL open collector bus RS232 CW open collector max 30V 400mA FSK open collector max 30V 400mA PTT open collector max 30V 400mA Audio Out left 1 3V p p max 1 dB bandwidth 0 3 3KHz typical Second harmonic 80 dB typical Third harmonic 70 dB typical D A Sampling rates 32000 44100 48000 Hz Audio Out right internal P FSK QSK detector output drives CW and FSK lines Audio In 50K Ohm max 4Vpp 1dB bandwidth 0 3 3KHz typical Absolute noise floor 90 dBm
24. oduct microHAM will pay return shipping What is not covered This Limited Warranty does not cover 1 correction of installation or software errors in the user s computer s 2 damage caused by misuse negligence user modifications or failure to follow the user manual 3 connection to improper or excessive voltage or voltage surges 4 the incorrect installation of any cables connected to the device by the user or 5 weather related storm lightning or electrostatic discharge damage microHAM USB Device Router the software is provided as is without guarantee of compatibility with any specific operating system computer peripheral or accessory microHAM assumes no liability or responsibility for damage to other devices or injuries to persons as a consequence of using our products If the terms of the above warranty are not acceptable return the unit all associated documents and accessories in the original unopened package prepaid to microHAM or to your supplier for refund less shipping and a restocking fee 20 microHAM 2010 All rights reserved 10 SPECIFICATIONS USB Interface III provides a basic USB to serial control interface and a USB sound card in a compact package USB Interface III is connected to the computer using the A B USB The transceiver and USB Interface III are connected by single radio cable terminated on one side by a DB15M and on the other side by the appropriate plugs for the specific tra
25. or later It is supported by the native FTDI and Core Audio drivers shipped with the operating system MacLoggerDX http www dogparksoftware com MacLoggerDX html by Don Agro VE3VRW and cocoaModem http homepage mac com chen w ay cocoaModem index html by Kok Chen W7AY are known to support microHAM interfaces USB Interface III is compatible with most current LINUX distributions It is supported as standard USB Serial and USB Audio devices USB Interface III contains circuits specifically to support features of FLDIGI http www wthkj com Fidigi html by Dave Freese W1HKJ 19 microHAM 2010 All rights reserved 8 PACKAGE CONTENTS The product includes USB Interface III USB cable and CD ROM containing the microHAM USB Device Router program and documentation If the shipment is incomplete please contact us at the following address E mail support microham com fax 421 2 4594 5100 by Post microHAM s r o Nadrazna 36 90028 Ivanka pri Dunaji SLOVAKIA 9 WARRANTY microHAM warrants this product for three 3 years The product must not be modified in any way or the warranty is voided Cables are warranted against defects in materials and workmanship for a period of 60 days What is covered During the warranty microHAM s r o will repair or replace defective product at their sole discretion You must send the unit postpaid with a copy of the original invoice to the distributor from whom you purchased the pr
26. ower supply 6 Follow your software developer s instructions to configure their application to work with USB Interface III MICROSOFT WINDOWS 2000 XP Vista Windows 7 INSTALLATION Installing microHAM USB Device Router Gi Setup microHAM USB Device Router SE 1 To install Router click on the Install USB Device Router link on the installation CD or download the most recent installation package from the web site www microHAM com downloads html Welcome to the microHAM USB Device Router Setup Wizard This will install microHAah USE Device Router 3 7 0 on your computer Ibis recommended that you close all other applications before continuing 2 If you download an updated package click on urouter_release_xx_xx exe XX_Xx IS version to start the installation Chick Nest to continue or Cancel to exit Setup gi Setup microHAM USB Device Router Completing the microHAM USB Device Router Setup Wizard Setup has finished installing microHAhM USE Device Router on our computer The application may be launched by selecting the installed icons Cancel Click Finish to eat Setup 3 The Windows setup utility will start and ask into which folder Router and its supporting files should be installed Note unless you have a very strong reason to install Router elsewhere please accept the default location 4 When the Router installation is completed click Finish to launch Router for the first time
27. r CW audio keying on the right channel i the right channel MASTER and WAVE sliders must be at 100 Any value below 90 for the RIGHT sliders will disable the detector output Test Signal causes USB Interface III to output a 1500 Hz audio tone for setting en mm mm mp the transmit output level TX Mixer this button opens the Windows Volume Control Playback Mixer for the selected sound card H Test Signal TX Mixer Get ID GET ID this button will retrieve the name and number of the sound card used for transmit functions The name can be used to verify that the correct sound card has been selected The number can be used to configure software that identifies sound cards only by number 15 microHAM 2010 All rights reserved RX receive level VU meter this stacked LED display shows the audio level into the analog to digital controller Note the display is active only if a sample rate is selected USE Audio CODEC v RX Ea USB Interface IlI has no slider sliders for the sound card line in the receive audio level is set with the front panel control LEFT Sampling sets the sample rate used for the RX level displays 1046 Because of the of the way the Windows sound system handles multiple Ey access to the sound card it is best to turn off the level display set Ee Sampling to off when they are not in use d0dE 50d6 a AWIE 30dE Sampling 4
28. re The capabilities of those packages will have large influence on the level of computing power needed to utilize USB Interface Ill When used with Windows based contest logging applications like CTWin NIMM Logger Win Test and WriteLog or Windows based general logging applications like DXBase DXLab Suite DX4WIN Logger 32 and others the microHAM control and interface application microHAM Router must run along side the application program Since both the logging programs and microHAM Router are real time applications system performance will be dependent on both CPU speed and the amount of available RAM While microHAM Router will run on slower computers the minimum tested system is a 1 6 GHz Pentium IV Windows 2000 512 MB RAM CD ROM and USB 1 1 port Whether Router can run as designed on slower machines with less memory and leave enough resources for application programs has not been determined microHAM Router is not supported on any 16 bit version of Windows 95 98 ME SE In order to provide sufficient performance for simultaneous operation of microHAM Router a logging application Internet connectivity and other accessory programs the recommended system is a 2 GHz PC compatible computer with Windows XP Home or higher 1 GB RAM CD ROM root USB 2 0 port a transceiver with supported control protocol and logger control or digital mode software USB Interface III is also compatible with Apple Macintosh systems running OS 10 5
29. rough treatment in recent works by W1HIS and K9YC W1HIS http www yccc org Articles W1HIS CommonModeChokesW1HIS2006Apr06 pdf K9YC htip www audiosystemsgroup com RFI Ham pdf 25
30. s Audio Switching PTT CW WinKey device is identified by product identification number and a unique serial string Router Preset Device Virtual Port Help Rename Creates a custom device name This is useful if two ae or more devices are connected to the Router For example CW FT 2000 ww K3 KEYER micro Keyer and USB Interface III can be renamed to S e more identifiable names as shown here Ports Audio Switching PTT CW Winkey Router Preset Device Virtual Port Help Delete Removes a device USB Interface II from the Router Only disconnected devices with a RED X on device tab can be removed To disconnect a device from Router unplug the dub USB cable from the computer or device Save Template will save the current Router settings to template file When clicked Router will open a standard File Save dialog window the default location is C Documents and Settings All Users Application Data microHAM cfg f a hypertext html or plain text txt documentation file of the same name as the template is present in the same directory it will be associated with the template Load Template will automatically configure Router from a template tpl file When clicked Router will open a standard File dialog the default location is C Documents and Settings All Users Application Data microHAM cfg and the desired template can be chosen When Router loads a template it look
31. s uses industry standard USB Audio TI Burr Brown drivers Integrated computer control port for all radios CI V FIF 232 IF 232 RS 232 fully supports Icom Kenwood TenTec Yaesu and other radios no separate level converter required Squelch input for additional software control Strong RFI immunity integrated chokes and filters for best RFI immunity advanced shielding and circuit design for RFI product suppression Connections Computer USB Radio DB15 Front panel LEDs for easy visual feedback of CW PTT SQL POWER and radio control data Metal Aluminum case powder coated and silk screened Free no time limit on line firmware software upgrades 2 IMPORTANT WARNINGS microHAM 2010 All rights reserved 3 PANEL DESCRIPTION Rear Panel BE USB RADIO 1 USB USB B connector for attachment to computer Connect a standard USB A B cable 2 RADIO DB15F connector for radio interconnection a detailed description is in Appendix A Front Panel USB Interface Ill TX RX microHAM O O O OOO PWR SQL CONTROL PTT CW MIN MAX MIN MAX 1 POWER YELLOW color indicates when unit is powered SQL GREEN color indicates when squelch is active CONTROL RED color indicates when radio sends data to computer GREEN color indicates when computer sends data to radio PTT RED color indicates when PTT is active CW RED color indicates when CW is active 2 TX Transmit Audio Level 3 RX Receive Audio Level microHA
32. s for an html or txt file with the same name as the template in the same directory If such file is found it is displayed e TIP Templates are a powerful tool for quickly configuring Router to work with a particular application Q Template files are interchangeable between computers and are well suited for cloning setups when using the same application in multi computer stations or for sharing custom setups between users Upload Firmware Does not apply to USB Interface Ill USB Interface IIl does not require any uploadable firmware 11 microHAM 2010 All rights reserved VIRTUAL PORT MENU a Device Manager It is necessary to create several virtual serial ports File Action View Help COM ports in order for a Windows application EP Ro logging control or digital mode program to access x a microHAM devices Router Preset Device Help es Hurnan Interface Devices Ge IDE ATA ATAPI controllers IEEE 1394 Bus host controllers DH E Keyboards A Mice and other pointing devices w USB ns III Create SS VC Modems S ok Monitors Pe Delete zg Network adapters Ports Delete All e SCT PCMCIA adapters S Sa Personal identification devices HARDWARE PORTS VIRTUAL PORTS Create Creates virtual COM ports It is possible i to select several ports at one time by holding the J ELTIMA Virtual Serial Port COMS5 bh Ctrl key on the keyboard and clicking on COM port 72 ELTIMA Virtual Serial Port COMB
33. tings including presets use it carefully Backup Router Settings used to create backup urs file This file contains Router settings including Presets for all devices defined in Router Options General Load Router on Start up when checked Router will start automatically each time the computer is started or rebooted Start Router Minimized when checked Router will started minimized Options Band Map Does not apply to USB Interface Ill Customizable band edge boundaries used to drive the band data output BCD codes can be customized for driving antenna switches or bandpass filter control This setting is not used with USB Interface Ill Options Digital Band Map Does not apply to USB Interface IlI Customizable band limits for digital mode operation This setting is used to automatically select VOICE or DIGITAL audio switching and the proper PTT output PTT1 PTT2 The boundaries are necessary for transceivers which do not have a special mode for AFSK operation or do not provide this information via computer control This primarily effects Kenwood and TenTec transceivers although it is also applicable to some older Icom and Yaesu radios Options Audio Devices Don t use audio devices when checked Router does not use audio devices and the settings on the Audio Mixer and DVK tabs have no effect Manually assign audio devices when checked Router will allow the user to select audio devices sound card in the appropr
34. trol Panel 1 In Router click the Sound Card button 2 On the Audio Devices window select Speakers USB Audio Device in the Mixer and WaveOut boxes E Audio Devices WaveQut Waveln Mixer 0 Speakers SoundMAX Integrated D bt Microphone SoundMAX Integrated 0 Speakers SoundMAX Integrated D 1 Digital Output Device SPDIF L Line 1 Virtual Audio Cable 1 Digital Output Device SPDIF i Virtual Audio Cable 2 Line In SoundMAX Integrated Di 2 Line 1 Virtual Audio Cable 5 i 3 Microphone US8 Audio Device 3 Line 1 Virtual Audio Cable 4 Line In SoundMAX Integrated Di 5 Microphone SoundMAX Integrated 6 Speakers USE Audio Device 7 Microphone USB Audio Device J ch fi Test Signal TX Mixer NOTE You may need the WaveOut and Waveln indexes of the sound card to configure some programs Make note of them or remember where you can find the Sound Card ID numbers 3 Click the TX Mixer button If the Mixer does not appear open Se Windows Sound Control Panel and select the Playback ste ana ou Select a playback device below to modify its settings 4 Click the Test Signal button on the Audio Devices screen spiiker and verify that the VU Meter for connected sound card e Woning SSe Piata D Audia reaches maximum If not turn off Test Signal restart Router Le and return to step 1 Turn off the Test Signal D ScondMax inteoreted Digiear HD Audio 5 Select the Playback tab in the Sound
35. umbers Creating virtual ports may take a while be patient Create Virtual Serial Ports Select one or more virtual serial ports to be created Delete All Deletes all previously created virtual ports It may take a long time in Windows OO ME be patient Do not delete a virtual port until all applications using that port have been closed e TIP It is possible to select multiple ports at one time by ei holding Ctri key on keyboard and clicking on the COM port numbers e TIP If you have uninstalled another device which used Gp virtual ports and Router does not offer the released COM port number you will need to reset the virtual port bus You can do this by deleting all virtual ports in Router at once Select Virtual Port Delete All then create the ports again Any missing COM port number should appear microHAM 2010 All rights reserved 5 microHAM USB DEVICE ROUTER ROUTER MENU Default Router Settings used to completely reset Router to factory default settings Default removes all device tabs and deletes all stored configuration data including all user presets from the Windows Registry Restore Router Settings used to restore settings from a urs file created by the backup command A urs file can be used only with the device for which it was generated the file contains the unit serial number on a computer with same port assignments WARNING Restoring a backup replaces all current Router set
36. vice USE Audio CODEC Volume MID music playback a Default device eee ESS 1969 FM Synthesizer Got Advanced Volumes Use only default devices In Windows 2000 and Windows XP open Sounds and Audio Devices in the Control Panel or right click on the Speaker icon on the Taskbar and select Adjust Audio Properties Reset the Default device for Sound Playback and Sound Recording to your computer s primary sound device In Vista and Windows 7 open Sound in the Control Panel or right click on the Speaker Icon on the Taskbar and select Playback Devices Reset the default to the Speakers of your computer s primary sound device microHAM 2010 All rights reserved Configuring microHAM USB Device Router The microHAM USB Device Router Router program provides a Windows compatible configuration tool for microHAM USB Devices USB Interface IIl as well as microKEYER CW Keyer and USB Interfaces and software interface to other Windows applications loggers digital mode software etc The software interface is provided as Virtual Serial Ports To configure and use USB Interface III with Windows compatible application programs it is necessary to have installed the USB driver started the Router and applied power to USB Interface III by turning on the attached radio or external power supply Router is then configured to match the requirements of the application logger or digital mode softw
37. ws 2000 and Windows XP ccccecceeseeeeeeeeeeeeeeeeeeeeeseees 17 Setting audio levels in Vista and Windows 7 18 d SYSTEM CONSIDERATIONS a a as na ai au us 19 Bi PACKAGE CONTENTS E 20 9 ECK RE 20 10 SPE CIFICATIONS E 21 Hardware SDECNICALIONS nn cures ae eee eue nn teen madrid re died 21 DECLARATION OF CONFORMITY scccsnsseccsnseeccnnsecccnsseeeensesecnsseenensseoennseseensseoeees 22 APPENDIX A DB15 RADIO CONNECTOR tecccesesseecenseeeeeseeeeeseescaneeseesneeseensessonnnees 23 APPENDIX B FSK WITH ANNE wiseseseisticnsatacniucesisniwwetiusieveiiteiesedietdanwtdtovawetinetuerninntsacienees 24 APPENDIX C RFI Considerations cccsssccsssecceseecensecceseeeenseeennseoonseeosseoenssesesseensoss 25 microHAM 2010 All rights reserved 1 FEATURES AND FUNCTIONS No Serial or Parallel port necessary just one USB port Complete Computer lt gt Radio isolation bidirectional transformer isolation of audio signals optical isolation of ALL digital signals Radio Control CW PTT FSK Compatible with all MS Windows based logging or control software the special microHAM USB Device Router program creates virtual COM ports for full operation with standard Windows applications customizable presets allow instantly changing USB Interface III parameters to match the program currently in use Compatible with non Windows logging or control software uses industry standard USB UART FTDI driver

USB Interface III

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