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micro

HAM ©

2006

All rights reserved

APPENDIX B – DB25 ACCESSORY CONNECTOR

Pin #

Label

Description

1

NC

N/A

14

NC

N/A

2

PIN2

Configurable I/O, TTL levels, max 4mA load, RX DATA Serial 1

15

+5

5V output, max. 100mA load

3

PIN3

Configurable I/O, TTL levels, max 4mA load, TX DATA Serial 1

16

NC

N/A

4

PIN4

Configurable I/O, TTL levels, max 4mA load, TX DATA Serial 2

17

NC

N/A

5

PIN5

Configurable I/O, TTL levels, max 4mA load, RX DATA Serial 2

18

GND

GND

6

PIN6

Configurable I/O, TTL levels, max 4mA load

19

GND

GND

7

PIN7

Configurable I/O, TTL levels, max 4mA load

20

GND

GND

8

PIN8

Configurable I/O, TTL levels, max 4mA load

21

GND

GND

9

PIN9

Configurable I/O, TTL levels, max 4mA load

22

GND

GND

10

PIN10

Configurable I/O, TTL levels, max 4mA load

23

GND

GND

11

PIN11

Configurable I/O, TTL levels, max 4mA load

24

GND

GND

12

PIN12

Configurable I/O, TTL levels, max 4mA load

25

GND

GND

13

PIN13

Configurable I/O, TTL levels, max 4mA load

SHELL

GND

GND

73

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Summary of Contents for micro KEYER 2R

Page 1: ...microHAM 2006 All rights reserved micro KEYER 2 Radio MK2R MK2R microHAM fax 421 2 4594 5100 e mail support microham com homepage www microham com Version 1 2 Joe Subich W4TV 1 ...

Page 2: ...vice 24 Menu Virtual Port 26 Menu Help 26 Device Configuration Tabs 27 Ports Tab 28 Ports Control 28 Ports FSK 31 Ports 2nd FSK 32 Ports CW 32 Ports PTT 33 Ports 2nd PTT 33 Ports Foot Switch 33 Ports WinKeyer 2 34 Ports CW and PTT from LPT parallel port 34 Ports CW PTT Steering 35 Audio Switching Tab 35 Audio Mixer Tab 42 PTT FSK Tab 46 CW WinKey Tab 50 CW Messages Tab 52 FSK Messages Tab 53 DVK T...

Page 3: ...icroHAM 2006 All rights reserved 7 HARDWARE SPECIFICATIONS 69 8 PACKAGE CONTENTS 70 9 WARRANTY 70 DECLARATION OF CONFORMITY 71 APPENDIX A DB37 RADIO CONNECTOR 72 APPENDIX B DB25 ACCESSORY CONNECTOR 73 3 ...

Page 4: ...y lock External lock hardware support for last one wins or first one wins operation easy switching between manual and automatic control independent settings for dissimilar Power Amplifiers Hot Switch PA protection with user defined timing programmable PTT assertion delay in 1ms steps T R sequencer with extended capabilities separately sequenced keying outputs for VHF LNA preamplifiers supports dua...

Page 5: ...microphone control functions for Radio1 selectable preamplifier supports dynamic microphones with computer interface selectable preamplifier for using dynamic microphones with Icom radios customizable microphone routing for each state VOX computer PTT foot switch by radio customizable microphone routing for operation style direct to radio through sound card Digital Voice Keyer with nine messages u...

Page 6: ...nd silk screened Free no time limit firmware software upgrades via Internet 2 IMPORTANT WARNINGS ALWAYS check the polarity of the 13 8 V power supply When changing Radio 1 ALWAYS be sure the proper microphone for the radio is connected to the MK2R RJ45 MIC jack BEFORE connecting the DB37 RADIO cable If dissimilar radios are attached to MK2R or MK2R NEVER connect the microphone of the Radio 2 to th...

Page 7: ...DIO1 DB37 connector pins 12 15 and 30 33 Important warning If dissimilar radios are attached to the MK2R or MK2R NEVER connect the microphone from Radio 2 to this jack 3 RADIO1 Multi pin jack for RADIO1 interconnection Connector DB37 female Detailed description is in Appendix A 4 RADIO1 SUB RX Input for constant level audio from the second SUB receiver RADIO1 Connector 3 5mm 1 8 stereo TIP Signal ...

Page 8: ...ereo TIP Left channel RING Right channel SHELL Ground 10 OUT SC2 MK2R only Input from Line Out of the computer Sound Card 2 Connector 3 5mm 1 8 stereo TIP Left channel RING Right channel SHELL Ground 11 MIC SC1 MK2R only Output to Mic In of the computer Sound Card 1 Connector 3 5mm 1 8 stereo TIP Signal RING Signal internally connected to TIP SHELL Ground Note These four jacks 8 11 are present onl...

Page 9: ...ort VOX operation and PTT by software CAT 21 FS2 Foot switch 2 input configurable function by default keys RADIO2 Connector RCA active when grounded TIP Signal SHELL Ground 22 PAPTT2 PTT output for Power Amplifier for RADIO2 Output Solid State or RElay contact depends on RE SS jumper position Connector RCA when active goes to ground TIP Signal SHELL Ground If the jumper is in the SS position the s...

Page 10: ... when active goes to ground TIP Signal SHELL Ground If the jumper is in the SS position the switching transistor open collector is connected to the PAPTT1 jack The transistor can switch up to 45V 0 8A This position is appropriate for modern Power Amplifiers with electronic keying Check the manual of your amplifier to be sure the power requirements do not exceed the transistor rating If the require...

Page 11: ... active mode s are indicated by the MODE lights 1 MK2R MODE status MIX Mix control is active A Mode A selected active B Mode B selected active C Mode C selected active B4 LEFT EAR Selects the audio source connected to the left ear of the headphones 2 Left Headphone Status RADIO1 A indicates audio from VFO A of RADIO1 is connected to the left ear B indicates audio from VFO B of RADIO1 to connected ...

Page 12: ...he left ear is connected to VFO A of RADIO1 and the right ear is connected to VFO A of RADIO2 B9 RADIO2 Disables automatic headphone switching if it was enabled switch to manual mode and connects both ears to RADIO2 Selecting the VFO connected to each ear is accomplished by holding the RADIO2 button and pressing the LEFT EAR B4 and RIGHT EAR B5 buttons The selection will be saved in MK2R memory By...

Page 13: ...tes fixed level audio from VFO B of RADIO2 is connected to the left channel B17 RIGHT Selects the audio source connected to the right channel of Sound Card 2 Line In MK2R or Digital Audio Codec MK2R 5 Recording Digital right channel audio status RADIO1 A indicates fixed level audio from VFO A of RADIO1 is connected to the right channel B indicates fixed level audio from VFO B of RADIO1 is connecte...

Page 14: ...s PTT2 rear panel of RADIO1 is active YELLOW color indicates both PTT1 PTT2 are active 13 CW FSK RED color indicates the CW output to RADIO2 is active GREEN color indicates the FSK output to RADIO2 is active 14 TX2 Adjusts drive level from the sound card or codec to RADIO2 15 PTT1 PTT2 RED color indicates when PTT1 RADIO2 front panel microphone jack PTT is active GREEN color indicates when PTT2 re...

Page 15: ...ophone the radio or MK2R 3 Plug the microphone for RADIO1 to the RJ45 MIC jack If your microphone has a Foster round connector use the adapter supplied with the RADIO1 cable set 4 If your radios have two receivers FT 1000D FT 1000MP FT 2000 FT 9000 Orion IC 7800 connect the fixed level audio output from the second receiver to the SUB RX jacks of MK2R 5 Connect the supplied headphone cable to the M...

Page 16: ...microHAM 2006 All rights reserved 10 Prepare but DO NOT connect USB cable to the USB jack of the MK2R at this time Proper grounding layout for two radio setup 16 ...

Page 17: ...start the installation The Windows installer will start and ask into which folder Router and its supporting files should be installed Unless you have a very strong reason to install Router elsewhere please accept the default location C Program Files microHAM When the Router installation is completed UNCHECK the Launch microHAM USB Device Router box The USB device driver must be installed before st...

Page 18: ... from list or specific location Advanced and click Next When asked for your search and installation options use the path to the Router installation directory The default path is C Program Files microHAM drivers d2xx Wait until the driver is copied During installation on Windows XP a driver certification dialog will appear Ignore this message and click Continue Anyway If the USB driver is successfu...

Page 19: ...cally 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 MK2R and onto the air Right click on the Speaker Icon on the task bar and select Adjust Audio Properties or open Sounds and Audio Devices in Control Panel and reset the Default device for Sound Playback and Sound Recording to your...

Page 20: ...digital mode software MK2R includes LPT parallel port control This connection is required for applications which do not make all of the traditional parallel port functions available on serial ports or via software control MK2R Status When the USB driver is installed correctly and MK2R is turned on Router will show a device tab with a GREEN check beside the device name micro KEYER 2R When Router sh...

Page 21: ...rnal USB devices bluetooth devices mobile phones PDAs 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 Warning Before you start creating virtual COM ports attach all external devices you are using with computer and allow them to connected to the system Restart Router and then create virtual COM ...

Page 22: ... control This primarily effects Kenwood transceivers although it is applicable to some Icom Ten Tec 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 appropriate fi...

Page 23: ...customize the settings for each application For easy switching among applications Router supports up to 12 user definable Presets Different configurations can be stored in these presets and recalled almost instantly simply by clicking on the preset button Each preset contains the settings for all devices connected to and controlled by Router For example if Router controls a MK2R a microKEYER a CW ...

Page 24: ... renamed to more identifiable names as shown here Delete Removes a device from the Router Only disconnected devices with a RED X on device tab can be removed To disconnect a device from Router unplug the USB cable from the computer or device 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 Prog...

Page 25: ...es to the firmware in MK2R The update may support new features in Router or improve application compatibility The most recent public version of the firmware is always available from www microHAM com downloads html To update firmware download the firmware file to your computer then click on Device Upload Firmware A Windows file dialog will open navigate to the directory into which you downloaded th...

Page 26: ...etes any single virtual port Delete All Deletes all previously created virtual ports and resets Virtual Serial Port bus Do not delete a virtual port unless all applications using that port have been closed Successfully created Virtual Serial Ports can be reviewed in Device Manager under the ELTIMA folder Note Properly working ports should not display an exclamation mark HELP MENU microHAM Home Pag...

Page 27: ...nd card audio routing based on operator preference application sound card handling and operating mode Audio Mixer used to set levels of each channel of the sound cards or codecs PTT FSK used to configure T R keying keying sequencer and FSK keyboard functions CW WinKey used to configure the internal CW keyer PTT from the CW keyer and side tone CW Messages used to configure internal CW messages FSK ...

Page 28: ...uses pin 17 Use LPT for PTT uses pin 16 Steer Serial CW PTT control flag Note Do not assign virtual ports to the channels functions which are not used by your applications It is unnecessary and only consumes resources CONTROL 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 r...

Page 29: ... applications use the control lines RTS CTS DTR DSR for handshaking or apply a fixed level In order for Router to automatically control Audio Switching and PTT keying it must know what radio model is connected to MK2R To configure the radio click the Set button for each radio Select your radio in the Radio combo box Then select the communication speed in the Baud rate box Note The baud rate must m...

Page 30: ... automatically select DIGITAL settings when detecting a frequency inside the Digital Mode boundaries These boundaries can be fully customized in the Band Map by clicking Router Options Digital Band Map Disable router queries When this box checked Router will not poll the radio for operating frequency and mode information when that data is not available from monitoring the communication between the...

Page 31: ...odulation products It is important to appreciate that distortion generated at this point due to overdrive CANNOT be reduced or eliminated by the reduction of the microphone gain control it is the signal level that must be adjusted to be about the same as would be expected from a microphone The microphone gain control then becomes a form of transmit power control An initial indication of proper aud...

Page 32: ...o the latency inherent in the USB protocols there are also latencies caused by computer CPU load internal Windows message processing inter process communication and data flow from another peripherals sharing same the USB hub This can result in transmitted characters that are garbled To minimize these unwanted operating system effects Router uses a specially developed oversampling and prediction al...

Page 33: ...ght way to assure proper sequencing of an LNA and Power Amplifier Note Select RADIO1 or RADIO2 as needed with the buttons on MK2R when testing 2nd PTT PORT The 2nd PTT channel is identical to the primary PTT channel 2nd PTT provides a way for a second application to key the radio if the primary application logging software also controls PTT FOOT SWITCH Even though many applications do not monitor ...

Page 34: ...application Important note When an application opens the port assigned to WinKey it takes control of all WinKey functions The application sends its own configuration to the WinKey when it initializes When WinKey is controlled by a host application Router does not access WinKey at all to avoid confusing the host application when under application control WinKey performs only as directed by the appl...

Page 35: ... sound card has two sets of controls PLAYBACK and RECORDING For most cards these settings are independent and can be controlled by the application software the user from Windows VOLUME CONTROL application or both To understand the operation of these controls it is recommended that you conduct the following tests Connect headphones to the sound card output and connect a microphone to the sound card...

Page 36: ...his sound card can be switched to the headphones under user control by selecting SC left or SC right to the left right or both ears When RADIO 1 and RADIO 2 are in different modes digital voice cw each radio uses a separate sound card or codec and the sound card output will not be connected to the headphones There are three distinct audio paths in MK2R and MK2R Each path is handled independently f...

Page 37: ...guration Functions or scenarios Functions F1 through F4 are saved recalled by pressing F1 B10 through F4 B13 Functions F5 through F8 are accessed by holding B5 and pressing F1 through F4 To enter into programming mode MK2R must be placed into AUTO mode by pressing the RADIO1 B7 and RADIO2 B9 buttons at the same time and then selecting B5 and BOTH B8 simultaneously The AUTO light will flash while t...

Page 38: ...n the sound card if necessary If the microphone is NOT muted it is indicated by a lower case m in the setting string Router manages the Audio Switching based on three ways of generating PTT VOX or software command COM LPT WinKey PTT and foot switch or hand mic PTT Each PTT type can have a different audio configuration 1 Transmit by VOX or software CAT command This setting is displayed in the TOP p...

Page 39: ...ion DVK and is the preferred setting with N1MM Logger Win Test or WriteLog 3 Transmit by foot switch or hand mic PTT This setting is displayed in the BOTTOM picture and indicated by the third letter of the settings ACmA The current operating state is indicated by a large black frame around the switching picture A Computer audio is disconnected from the radio and the microphone is connected directl...

Page 40: ... use of VOX or manual PTT allows playback or recording of voice messages and allows interrupting playback of a recorded message by pressing the microphone PTT or foot switch This setting is recommended for most VOICE use VOICE CmCmCm The station microphone is always connected to the sound card mic input This is the same as above but when the foot switch or hand mic PTT is pressed the microphone re...

Page 41: ...onfigurations ACmA CmCmA and CmCmCm and two nonstandard CmBA and ABA for SSTV FSK modes are FSK FSK R RTTY and RTTY R BBB is selected for FSK DIGITAL modes are PKT DIG and DATA Router also permits selecting DIGITAL settings for LSB USB and FM if the operating frequency is in the digital portion of the band as defined in the Digital Band Map See Ports Tab Radio Control for more information For eith...

Page 42: ...USB Audio CODEC at the right side For MK2R select the system name of the sound card connected to SC1 jacks Voice in the left side and the system name of the sound card connected to the SC2 jacks digital in the right side MK2R selects the correct channels automatically they must be selected manually for MK2R Channel assignments for SC1 Voice REC MIC Select Microphone channel TX MIC Select Microphon...

Page 43: ...te or clock rate of your applications TX MIC live mic microphone input level This control adjusts the level for the live microphone used for transmitting through sound card with Cm Audio Switching scheme If the mic channel is active the green rectangle is on If not click on the TX Mixer button and unmute the microphone control TX VOICE voice message transmit levels These controls adjusts the outpu...

Page 44: ...ick on the TX Mixer button and unmute master the Volume Speaker and Wave controls As with the voice mixer there are four 4 sliders two for RADIO1 R1 and two for RADIO2 R2 Each pair has a WAVE slider and MASTER slider the Master Volume or Speaker control The pair used for each radio is determined by the Left Right channel selector on the Audio Switching tab As a starting point set the MASTER level ...

Page 45: ...io recording or digital decode levels VU meter this stacked LED displays show the audio level into the analog to digital controller Please note display shows level only if a sample rate is selected MK2R does not have software controls for input level because are not necessary input level is adjusted with the front panel RECORDING DIGITAL pots If your software tries to control the input level of US...

Page 46: ...rophone PTT switch of the microphone connected to the RJ45 MIC jack This input is hardwired to the FS1 input of the MK2R WinKey generated PTT WinKeyer2 generates separate PTT signals for each radio The current version of MK2R firmware generates PTT1 outputs based on WinKey PTT signals WinKey PTT generation can be enabled or disabled from the CW WinKey tab Note when WinKey is controlled by a loggin...

Page 47: ... PTT1 is wired to the radio microphone jack and is used to switch the radio into transmit in VOICE and CW mode PTT2 is wired to the radio Accessory jack and is used to switch the radio into transmit in DIGITAL and FSK modes PTT2 or rear panel PTT is used by some radios to automatically mute the microphone and disable microphone processing circuits audio equalizers transmit DSP compression clipping...

Page 48: ...le to determine the operating mode Fixed PTT is used There are several options based on operating style 1 CW VOICE PTT1 immediate PTT1 and PAPTT if enabled are activated immediately Additional delay is not necessary if the application s internal timing provides some delay between PTT and start of message Don t forget to set this delay in the application set up 2 QSK CW VOICE VOX No PTT PTT1 and PT...

Page 49: ...ot switch is pressed If Restore serial CW is checked CW will resume when the foot switch is released if it has not already ended If Restore serial CW is not checked application generated CW will remain suppressed until the application releases PTT Mute serial FSK if checked FSK generated by an application will be suppressed while the foot switch is pressed If Restore serial FSK is checked FSK will...

Page 50: ...des only a USB bridge to WinKey The configuration and operation of WinKey are completely under host control Router does not modify communication and does not change any settings When this happens the options on the CW WinKey tab are grayed out Only those settings not related to WinKey can be changed When the port is closed WinKey parameters can be changed from this tab Every change is applied imme...

Page 51: ...their normal focus Headphone side tone operates with either manual or Auto Focus Side Tone 1350 675 450 388 Hz or OFF The volume is not adjustable Note Side tone is generated by the MK2R controller not the WinKey 2 side tone output If the application enables WinKey 2 side tone distortion can can result Speed Step defines the steps in WPM by which the keys on the optional keypad will change the spe...

Page 52: ... define nine messages of up to 50 characters each which are stored in MK2R non volatile memory Each memory may have a programmable repeat delay and or call another memory Commands which may be included in a memory are Set PTT close WinKey PTT Clear PTT release WinKey PTT Merge merge two characters without a letter space M AS will sound AS Set WPM force speed to the selected value regardless of pos...

Page 53: ...ter Letter Insert special Letter character Blank Insert special Blank character Letter Insert special Bell character Jump to used for looping a message or calling another message Delay sets the delay in seconds before looping or calling another message Store saves one message to MK2R memory Store All saves all messages to MK2R memory Load from File loads all messages from file Save to File saves a...

Page 54: ...K mixer settings When recording or playback is done Audio Mixer returns to the values adjusted at the Audio Mixer tab All this happen because DVK mixer settings are not stored with presets but in the message banks This means each bank can have its own levels slider position It also allows each bank to be configured for the voice of each operator if MK2R is used in a multi operator setup DVK memori...

Page 55: ... CONTROL is flexible tool for customizing MK2R for operation with current software There are four 4 parameters which can be controlled via LPT or virtual port signals 1 TX focus Used for automatic selection of which transceiver will transmit Available signals are LPT pin 3 N1MM Logger with LPT NA LPT pin 14 N1MM Win Test WriteLog CT TR Log COM port RTS signal COM port DTR signal Two PTTs N1MM Logg...

Page 56: ... is selected MK2R will abort transmission on the first radio if the second radio begins to transmit Dual foot switch if checked MK2R recognizes two foot switches The foot switch attached to FS1 controls RADIO1 and the foot switch attached to FS2 controls RADIO2 If Transmit Auto Focus is enabled pressing a foot switch will override the currently selected transmit focus For example if Auto Focus is ...

Page 57: ...d and vice versa Reverse WinKey focus when used WinKey will key the opposite unselected radio This means that the paddles will be connected to the radio not in use by the logging software Reverse DVK focus when used the MK2R DVK will key the opposite unselected radio You can use the MK2R DVK to call a station on the radio that does not have focus Delay audio switching when used headphone switching...

Page 58: ...de radio specific and global functions Pins 6 9 and 10 13 are programmed as a group The serial devices are not yet supported RADIO 1 RADIO 2 Available Functions Pins 4 5 Available Functions Pins 2 3 RADIO 1 INHIBIT OUT RADIO 2 INHIBIT OUT RADIO 1 INHIBIT OUT RADIO 2 INHIBIT OUT RADIO 1 PTT1 OUT RADIO 2 PTT1 OUT RADIO 1 PTT2 OUT RADIO 2 PTT2 OUT TX FOCUS OUT TX FOCUS OUT RX FOCUS OUT RX FOCUS OUT S...

Page 59: ...ions stored in MK2R can be saved to a file and files can be uploaded to MK2R Users can exchange configurations by exchanging files The control buttons are Get retrieve the selected Function from MK2R Get All retrieve all stored Functions from MK2R Store store the currently selected Function to MK2R Store All store all Functions defined in Router to MK2R Load From File retrieves a single Function f...

Page 60: ...o settings The remaining two one for RADIO1 and one for RADIO2 are used ONLY when the microphone is directly switched to the radio A audio settings RECORDING LIVE MIC This preamplifier is designed for use with dynamic microphones and Heil HC 4 or HC 5 elements It makes the relatively low output of the dynamic microphones compatible with the mic input of most sound cards Jumpers for the Recording p...

Page 61: ...can compare the direct and sound card levels to do fine adjustment by pressing the foot switch or hand mic PTT button When your radio is keyed by VOX the audio signal is through the sound card When the foot switch or microphone PTT is active the microphone is connected directly to the radio If you cannot balance the direct and sound card levels with the trimmer return it to the midpoint and adjust...

Page 62: ...foot switches If Dual foot switch is selected on the SO2R tab pressing either foot switch will change TX focus and than key the radio TX focus remains on the last selected radio when the foot switch is released FS1 jack is used for RADIO1 and FS2 for RADIO2 If Dual foot switch is not selected either foot switch will key the radio with TX focus In manual mode MK2R will do signal redirection to achi...

Page 63: ... available choices with the LEFT EAR and RIGHT EAR buttons Any changes to the small preset buttons are automatically stored in MK2R EEPROM and does not need to be customized after each power up The LEFT EAR and RIGHT EAR buttons are used for full access to headphone audio switching MK2R includes an internal 6 x 2 crosspoint switch that allows switching any of six audio sources to each earphone The...

Page 64: ...e For each state a different operator defined headphone switching configuration can be applied In addition to the transmit receive state of each radio and the transmit focus two additional signals Receive Focus and STEREO or SPLIT are used to control headphone switching The interface by which the logging program communicates these additional signals can be configured on the SO2R tab in Router The ...

Page 65: ...state of MK2R including all headphone configurations can be stored Using these functions memories the operator can easily program and recall the MK2R configuration for a particular operating situations for example small pile up large pile up S P 40 meters etc There are eight memories F1 F4 are accessed by pressing a single button and F5 F8 are accessed by holding and pressing F1 F4 These memories ...

Page 66: ...communication band is obtained from the transceiver BAND DATA BCD output This is the preferred method because it is the fastest and most secure way to obtain the band data Unfortunately this data is available only from certain Yaesu transceivers However if you are interfacing MK2R with FT 840 FT 900 FT 920 FT 990 FT 1000D FT 1000MP Mark V FT 2000 or FT 9000 you should connect the Yaesu Band Data o...

Page 67: ...tures provided by microHAM Router are not available in DOS Mode However if the DOS application is capable of operating in a Windows DOS box or is run on a separate computer a limited subset of advanced features may be available Windows Applications When used with Windows based contest logging applications like CTWin N1MM Logger Win Test and WriteLog or Windows based general logging applications li...

Page 68: ...eed step defined by configuration ü S N mode Increment number by one without transmitting ü PG DN DN NUM WPM control Decrease CW speed step defined by configuration ü S N mode Decrement number by one ü HOME ENTER NUM ENTER WPM control Reset CW speed to pot knob value ü S N mode Transmit number with optional report and increase number by one format defined by configuration ü ENTER transmit CR and L...

Page 69: ...nal jumpers 2 x Open collector max 45V 0 8A 2 x Relay contact max 125VAC 2A 60VDC 2A ACC port pins 2 13 TTL levels max 4mA load ACC port pin15 5V max 100mA LPT port TTL levels max 4mA load Foot Switch 2 x active when closed to ground max load 1 mA at 5V PTT IN 2 x active when closed to ground max load 1 mA at 5V EXT SPEAKER stereo 32 ohm load Audio Out 600 Ohm 3V p p max 3dB bandwidth 0 2 6KHz typ...

Page 70: ...croHAM warrants this product for three 3 years The product must not be modified in any way except configuration or the warranty is voided The warranty does not cover damage caused by improper or abnormal use failure to follow instructions improper installation lightning or excessive voltage The product will be either repaired or replaced at our discretion The only cost will be the cost of return s...

Page 71: ...t may cause undesired operation European Union Declaration of Conformity microHAM s r o declares that the products Product Name MK2R Conforms to the following Product Specifications EN 55022 1998 Class B following the provisions of the Electromagnetic Compatibility Directive 89 336 EEC European Union Declaration of Conformity microHAM s r o declares that the products Product Name MK2R Conforms to ...

Page 72: ...XD output TTL 8 FILTER IN RXD input for all interfaces 27 PTT1 PTT1 output open collector generally used as all mode front panel MIC PTT 9 PTT2 PTT2 output open collector generally used as rear panel digital modes PTT 28 CW OUT CW output open collector 10 PULL UP 5V through a 10K resistor 29 FSK OUT FSK output open collector 11 FSW IN Hand Mic PTT input N A at RADIO2 30 MIC 1 RJ45 Microphone jack ...

Page 73: ...PIN5 Configurable I O TTL levels max 4mA load RX DATA Serial 2 18 GND GND 6 PIN6 Configurable I O TTL levels max 4mA load 19 GND GND 7 PIN7 Configurable I O TTL levels max 4mA load 20 GND GND 8 PIN8 Configurable I O TTL levels max 4mA load 21 GND GND 9 PIN9 Configurable I O TTL levels max 4mA load 22 GND GND 10 PIN10 Configurable I O TTL levels max 4mA load 23 GND GND 11 PIN11 Configurable I O TTL...

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