Microham MICRO KEYER User Manual

microHAM © 2004 All rights reserved

micro KEYER

microHAM

fax. [phone]
e-mail : [e-mail]
homepage : www.microham.com

release 1.0

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microHAM © 2004 All rights reserved

TABLE OF CONTENTS

Chapter Page

1. Warranty ........................................................................................................... 3

2. Packing ............................................................................................................. 4

3. Important warnings ............................................................................................ 5

4. Quick start ......................................................................................................... 6

5. Parameters ............................................................ ............................................ 7

6. Requirements ............................................................ ........................................ 7

7. Features and functions ..................................................................... ................. 8

8. Principle of operation ............................................................ ............................. 9

9. Panel description ............................................................................................... 10

10. Installation and conections ...................................................................... ........... 13

11. Audio settings .................................................................................................... 15

12. USB Device Router ............................................................................................ 17

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microHAM © 2004 All rights reserved

1. WARRANTY

microHAM offers for this product 3 years time warranty and 30 day full money back less shipping.
The product must not be modified in any way, except configuration, otherwise the warranty voids.
microHAM assumes no responsibility for damages on other devices or injuries on persons, as a
consequence of using our products.

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microHAM © 2004 All rights reserved

2. PACKING

The product includes micro KEYER, USB cable 1pc, sound card cables 3pcs, microHAM USB Device

Router program on a CD-ROM.

Please check the content of the shipment against this list. If the shipment is incomplete, please contact us
at the following address:

[e-mail] or

fax : [phone], or

by mail to :

microHAM
Matúškovo 709
92501
Slovakia

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microHAM © 2004 All rights reserved

3. IMPORTANT WARNINGS

NEVER FORGET !!!

If you plan to use micro KEYER with more than one and not identical

transceivers ALWAYS change original microphone plugged to the micro

KEYER RJ45 jack BEFORE changing DB37 RADIO cable

If you power micro KEYER from external power supply ALWAYS check polarity

of the external 13.8 V supply

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microHAM © 2004 All rights reserved

4. QUICK START

w Insert CR-ROM to the CD drive
w Run "urouter_release_xx_xx.exe" (xx_xx is version) from CD to start the installation and launch Router.
w Connect USB cable to the micro KEYER. Other cables left unconnected
w Plug second end of the USB cable to the computer USB port and install USB driver from location:

C:\Program Files\microHAM\driver\d2xx

w You should see tab with micro KEYER statement with yellow X mark
w Plug audio cables to the sound card and to the micro KEYER rear panel jacks. Computer Line Out to

micro KEYER Line Out, computer Line In to MK Line In and computer Mic In to MK Mic In.

w Turn OFF your radio
w Plug DB37 radio cable to the micro KEYER and other ends of the radio cable to the appropriate radio

jacks.

w Turn radio ON.
w Within three second you should see single flash of green FSK Led at the MK front panel and a few

seconds you should see Green OK mark at Router software next micro KEYER statement tab.

w Congratulation ! You can start playing with micro KEYER, but better read this manual now :-)

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microHAM © 2004 All rights reserved

5. PARAMETERS

USB: USB 2.0 Full speed , USB 1.1 compatible

Power consumption: USB side - up to 100mA; Transceiver side up to 200mA at 13.8V (max. 16V)

Radio Port: RXD, TXD, (RTS, CTS) max. 19200 Bd

- levels: TTL, inverted TTL, open collector bus, RS232

CW: open collector, max 30V/400mA

FSK: open collector, max 30V/400mA

- supported 5/6/7/8bit data length, 1/1.5/2 stop bit, up to 300 Bd

PTT1: open collector, max 30V/100mA

PTT2: open collector, max 30V/400mA

PA PTT: selectable by rear panel switch

- open collector, max. 48V/1.5A

- relay contact, max. 125VAC/2A 60VDC/2A

Foot Switch: input, active when closed to ground, max. 5 mA

Radio AF OUT: 600 Ohm, max 1Vpp
3dB bandwidth: 0.2 - 6KHz typically
Insertion loss: 9dB typically (4-6dB attenuator)
Computer LINE OUT: 600 Ohm, max 1Vpp
3dB bandwidth: 0.2 - 6KHz typically
Insertion loss: 9dB typically (4-6dB attenuator)

Computer MIC IN: signal and signal ground directly switchable to the MICROPHONE input (jumper

selectable preamplifier for dynamic microphones)

Radio MIC IN: signal and signal ground directly switchable to the MICROPHONE input. All others wires are
routed from RJ45 to the radio microphone input. Microphone works with all his functions as if were plugged
straight to the radio.

Dimensions: W 175mm (6.89") x H 44mm (1.73") x D 85mm (3.35")

Weight: 1100g (2.43lbs)

6. REQUIREMENTS

Minimal

PC compatible computer with Win98SE, 48MB RAM, sound card, CD-ROM, USB1.1 port, transceiver,
logger or control software

Recommended
PC compatible computer with WinXP Home or higher, 256MB RAM, sound Card, CD-ROM, USB2.0 port,
transceiver with computer port, FSK port, CW paddle, PS/2 keypad, logger or control software

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microHAM © 2004 All rights reserved

7. FEATURES AND FUNCTIONS

w No COM nor LPT port necessary, just one USB port and sound card
w Complete "Computer <-> Radio" electrical isolation

- bidirectional transformer isolation of sound card and rig

- optical isolation of ALL digital signals -> Radio Control, CW, 2xPTT, FSK, PA from USB port

w Compatible with most standard MS Windows based logging or control software

- special microHAM "USB Device Router" program creates as many virtual COM ports as needed for full
functionality with your favorite programs

- customizable presets to instantly change micro KEYER parameters for the various requirements of
different programs

w Integrated computer control port for all radios CI-V, FIF-232, IF-232, RS-232

- fully supported Icom, Kenwood, Ten Tec, Yaesu and other radios

w Integrated superior K1EL WinKey™ chip with extended capabilities for superior CW

- front panel speed knob

- nine (9) user programmable memories

- PS/2 keyboard/keypad support for direct CW sending

- PS/2 keyboard/keypad support for instant CW message playback and function handling PS/2 keyboard
or keypad CW works without computer connection

- auto PTT

- selectable side tone

- all parameters are stored inside the micro KEYER memory and reloaded after power up

w FSK keying output

- capable of sending 5/6/7/8 bits and 1/1.5/2 stop bits

- support for PS/2 keyboard for direct RTTY typing without computer connection

w Unique Mic/Sound Card/Radio audio switching

- configurable audio priority microphone routing for SSB/Contest/SSTV

- two audio outputs, one for radio front MIC IN and second for rear LINE IN

- front panel audio level control knobs for setting both the computer and radio levels

w Independent keying buffer for Power Amplifier

- extended range solid state output for modern PA or QSK

- relay isolated output capable to key vintage PA with negative keying

w Footswitch input with programmable functions

- programmable PTT assertion delay in 1ms steps

- selectable muting of CW and/or FSK when footswitch is closed

w Second programmable PTT output for extended keying capabilities

- PTT2 output for digital modes with "muted mic"

w Hot Switch protection with user defined timing

- T/R sequencer for PTT keying outputs

w No external power adapter

- Computer part is powered from USB

- Radio part is powered from transceiver or transceiver power supply

w Strong RFI immunity

- integrated chokes and filters for best RFI immunity

- advanced shielding and circuit design for RFI product suppression

w Quick change connectors

- Computer USB, Sound Card 3 x 3.5mm (1/8") RJ45 microphone, Radio DB37

- Radio DB37, Microphone RJ45

- Paddle - 1/4", PS/2 - MiniDIN6, Footswitch - RCA, Amplifier keying - RCA

w Dual color LEDs for easy visual feedback of CW/FSK and PTT1/PTT2
w Metal/Aluminum case, powder coated and silk screened
w Free firmware/software upgrades via Internet

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