User Guide

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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