Wavecom W 4010 User Manual page 29

4.1 HARDWARE
Case: Steel with dimensions of 200 x 250 x 80 mm, 2.5 kg
Front panel: LEDs for Traffic, Sync, Phasing, Error, Idle, Rq, Input B-Y,
Output A-Z, and Print On
Keys for F1 / F2 / F3 / F4
On-Off / printer on-off / BU-ZI / menus
Tuning LED 16 element bar graph
Knob for variable filter
Knob for minimum-amplitude squelch
Rear panel: Coaxial low-voltage jack with 2.1 mm pin for 12-14 Volts
5-pole jack with
RS-232-C interface, including DTR,
serial output, TTL
external input, TTL or RS-232
RCA jack for short-wave audio input
RCA jack for VHF/UHF audio input
Printer output jack, Centronics type
Video output, 75 Ohms, Composite/BAS
Processing: CPU: 8-bit CMOS, clocked at 4 MHz
2 or 8 KB NOVRAM
4 EPROMS 27256
5 programmable 16-bit timers
Video: 80 characters x 24 lines or 40 characters x 18 lines
CPU 8-bit, 12 MHz
4 character sets ASCII, both upper + lower sets
CCITT-2, Tass-Cyrillic, Third Shift Cyrillic, Third Shift
Greek
Interface: RS-232 serial computer or printer interface with Data
Terminal Ready (DTR) and 255 byte buffer
Baud rates: 300, 600, 1200, 2400, 4800, or 9600 Baud
Data format: 7 or 8 bits / Parity Odd, Even or None
1 or 2 stop bits
Jumper for shift inversion
Centronics printer interface with 255 byte buffer
Input for external demodulator TTL or RS-232
Demodulator: Quadrature demodulator with 1750 Hz center frequency,
automatic switching to 800 Hz with Morse
microprocessor-controlled switched-capacitor 6-pole digital
low-pass filter
F7-B (F6) demodulator for 100 Hz shift
1200 Baud PLL packet radio demodulator.
Filter: variable bandwidth filter composed of elliptic high-pass and
low-pass filters, each with 4-poles, RTTY bandwidth 10 -
2300 Hz, limits: 600 and 2900 Hz, CW bandwidth 10 - 800 Hz,
limits: 400 and 1200 Hz
Level pot: variable minimum-amplitude audio squelch for CW, ARQ, and
packet radio
Audio level: the level should be between 0.1 and 5 Vp-p max.
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