User’s manual
General features:
• Transceiver audio interface for operat-
ing digital modes, voice recording and
playback
• Microphone and foot switch inputs
• CAT (Computer Aided Transceiver)
system
• FSK output
• PTT and CW outputs
• CW keyer (WinKey)
• Squelch input
Computer connection:
• USB (Universal Serial Bus) connector
• Powered from the USB port (consuming
100 mA maximum)
• No external power supply needed
Audio interface:
• Insulated from digital nets
• Maximum input/output amplitude is 1V
• Input/output samplerate: 8 to 48 kHz
• True 16-bit DAC/ADC used
• Volume levels are adjusted by the front
panel potentiometers
• External microphone input with level
control
• Recording QSO audio stream
CAT serial port:
• Baudrate: 300-115200 baud
• Electrical compatibility: RS-232, CI-V,
TTL or inverted-TTL (Yaesu, Icom,
Kenwood, Ten-Tec, Elecraft and JRC
transceivers)
14
FSK output:
• Baudrate: 45-1200 baud
• Open collector output
External microphone and foot switch
inputs
• Electret or dynamic microphone
• Microphone level is adjusted by front
panel potentiometer and on-board jumper
• Foot switch input accepts “dry contact”
or open-collector sources
PTT/CW outputs:
• PTT output: open collector and TTL-
level
• CW output: open collector
• Maximum current is 500 mA
System requirements:
• Desktop or laptop computer with USB
1/2/3 compliant port
• Windows XP/Vista/7/8/10 (32 or 64-bit),
Mac OS or Linux operating system
Annex 1
Specifications
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