Hal Communications CWR6850, Instruction Manual

Page: 57 / 64

CHAPTER 7 PAGE 57
BAUD Six interlocked switches set data rate for RTTY transmit and
receive to 45.45, 50.0, 56.9, 74.2, 110, 300 baud.
SHIFT Three interlocked switches set RTTY transmit and receive shift
to 170, 425 or 850 Hz.
TONE HIGH: Select RTTY "HIGH" tones for transmit and receive;
mark = 2125 Hz.
LOW: Select RTTY "LOW" tones for transmit and receive;
mark = 1275 Hz.
RX -TAPE RX: Audio signal connected to AF IN - RX jack is inter-
preted by the CW and RTTY demodulators.
TAPE: Audio signal connected to AF IN - TAPE jack is inter
preted by the CW and RTTY demodulators. Local
"echo" of transmitted data is suppressed, giving full
duplex operation.
REAR PANEL KEY BOARD, PRINTER, VIDEO OUT, EXT SP, PHONE, TELEGRAPH KEY,
CONNECTIONS: FSK TTL IN, FSK TTL OUT, AF OUT, SW OUT REMOTE, SW OUT FSK, SW
OUT CW, OSCILLO SPACE, OSCILLO MARK, AFSK OUT TX, AFSK OUT TAPE,
AF IN TAPE, AF IN RX, FUSE, DC 13.8 V.
REAR PANEL FSK DEMOD: INT: Internal FSK demodulator used for reception of RTTY.
CONTROLS: EXT: Internal FSK demodulator disconnected and received
data interpreted from the FSK TTL IN connector.
AFSK GAIN: Controls output level to both AFSK OUT - TX and - TAPE con-
nectors.
BRIGHT: Controls contrast of internal screen.
MECHANICAL SPECIFICATIONS:
CWB6850: 12.7" W × 5.0" H × 12.5" D (13.25 × 5.1 × 11 clearance)
32.26 cm × 12.7 cm × 31.75 cm (33.66 × 12.95 × 35.56 cm)
Color: Dark gray top and bottom; black front panel; red, blue, gray, white
and black switch buttons. Green CRT phosphor.
KEYBOARD: 13.8" W × 2.3" H × 7.1" D
35.05 cm × 5.84 cm × 18.03 cm
Color: Light gray top; dark gray bottom; blue and gray keytops.
WEIGHTS: 16.5 lbs net, 20 lbs shipping (including keyboard)
7.5 kg net, 9.1 kg shipping (including keyboard)
POWER 12 to 14.5 VDC (13.8 VDC nominal), 1.65 Amps. 22 Watts