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1 – FEATURES OF THE CWR-880
1st CWR-880 is capable to decode any of the data currently used in radio communication and dis-
play them on the CRT screen and buil-in LCD display while printing them out at the same time.
2ndEither regular color or monochromatic television set, character display CRT or graphic display
CRT can be used as the display monitor. (Display is given in monochrome in every case.)
3rd Built-in printer output interface allows connection of a printer to get a hard copy.
4th Built-in CW random signal generator provides for practice in telegraph reception.
5th By directly connecting a key to the CWR-880, you can practice telegraph transmission.
6th In RTTY, the CWR-880 can be used as a test code generator because the test code generating
function is provided in every mode.
7th With the built-in audio monitor circuit, the received or generated signals can be monitored at a
desired volume level.
2 – SPECIFICATIONS
1)
Receivable codes
CW:
Morse code of alphabet and numeral characters and symbols.
RTTY:
5-unit Baudot code, alphabetic teletype.
TOR:
7-bit international FEC and ARQ error correction system in conformity with
CCIR recommendation 476.
ASCII:
7-unit ASCII code.
2)
Signal reception speed
CW:
20 characters/min. - 200 characters/min. (4 - 40 wpm), automatically ad-
justed.
BAUDOT:
45.5, 50, 57, 74.2 baud.
TOR:
100 baud.
ASCII:
75, 110, 300 baud.
3)
Input
AF input:
70 mV or over with input impedance of 2.2 kΩ.
Key (TTL) input: Key, contact input or TTL level input.
4)
Audio frequency
CW:
Center frequency 800 Hz (750 – 850 Hz, continuously changeable).
RTTY:
1275 Hz – 2125 Hz, continuously changeable.
