OPERATING INSTRUCTIONS
FOR
TELEREADER MODEL CWR-880
Page 1: ...OPERATING INSTRUCTIONS FOR TELEREADER MODEL CWR 880...
Page 2: ...ugh this manual t enjoy the TELEREADER s performance to the maximum for a long ser vice life CONTENTS 1st Features of CWR 880 1 2ndSpecifications 1 3rd Hook up 3 4th Front panel controls 5 5th Rear pa...
Page 3: ...e 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...
Page 4: ...cters 2 lines 60 page buffer 7 Morse code random code generator Alphanumeric characters Speed 4 wpm 30 wpm 20 characters min to 150 characters min 8 Text code generator BAUDOT Continuous output of QBF...
Page 5: ...ing off the RCA plug at one end of the cable The RF output uses the 591 25 MHz channel of the television If you receive a television broadcast in this channel change the output frequency of the CWR 88...
Page 6: ...6 Connection for KEY OUT signal Connect the KEY OUT terminal of the CWR 880 and the KEY terminal of the transceiver with the attached earphone plug Prepare a shielded wire or a 2 core cable for the co...
Page 7: ...CW operation Alphabetical letters In RTTY operation Baudot TOR ASCII 6 SPEED Baudot 45 50 57 75 TOR Synchronized reset ASCII 110 300 75 7 USOS In RTTY operation Unshift on space function pushbutton A...
Page 8: ...inal for external demodulator signal in TTL level 4 KEY OUT CW operation Output terminal for the key signal to a transceiver Random code generated is also provided on this terminal RTTY operation Outp...
Page 9: ...rrect decoding started Flickering of only the SPACE LED indicates improper tuning In such a case tune the receiver again or adjust the TONE VR finely to make the MARK LED also flicker 2 When the recei...
Page 10: ...d of up to 110 baud For signal reception at a speed over 110 baud use a high speed modem with its output signal fed to the KEY IN TTL IN terminal 8 PROCEDURE FOR PRACTICE OF TELEGRAPH TRANSMISSION AND...
Page 11: ...ARQ is used mainly in individual communication between a coast station an a ship station In ARQ mode if an error is detected in the received characters request for retransmission is sent auto matical...
