P. C. Electronics 2522 Paxson Lane Arcadia CA 91007-8537 USA
©2001
Tel:
1-626-447-4565
m-th 8am-5:30pm pst
(UTC - 8)
Tom
(W6ORG)
& Mary Ann
(WB6YSS)
O’Hara
24 hr FAX order line 1-626-447-0489 Email: [email protected]
Web site: http://www.hamtv.com
TC70-20 70 cm ATV TRANSCEIVER
USERS MANUAL
The TC70-20 transceiver is designed to provide over 20 Watt p.e.p. (sync tip), continuous duty, of
AM video modulated RF in the 70 cm (420-450 MHz) Amateur band in transmit, and downconvert the
whole band to TV channel 2, 3 or 4 to enable receiving on any standard NTSC television set. Any
licensed code free Technician class or higher Radio Amateur may operate this transmitter in accordance
with 47 CFR part 97 of the FCC Rules and Regulations. The TC70-20 accepts U.S.A. standard com-
posite video (1 volt pk-pk) from any source such as color or black and white TV cameras or camcorders,
VCRs, or computers for transmission. Audio from these sources or a low impedance dynamic mic is
also transmitted on the 4.5 MHz FM sound subcarrier.
PLEASE read through this manual before plugging in any cables and attempting operation. Each
connector and control is described here to enable your proper hookup and operation. Also the unique
video practices associated with ATV and the 70 cm band are described.
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©2001