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1 SECTION 1 - GENERAL INFORMATION
1.1 INTRODUCTION
This manual contains information relative to the physical, mechanical,
and electrical characteristics of the ATR833 VHF Communications
Transceiver including operating procedures.
Information relative to the installation can be found in the ATR833
Installation Manual. (Document Number 01.140.010.12)
Information relative to the maintenance, alignment , and procurement
of replacement parts may be found in the ATR833 Maintenance
Manual (Document Number 01.140.010.13).
1.2 Manufacturer:
Filser Electronic GmbH located in:
Gewerbestrasse 2, 86875 Waal, GERMANY
Phone: +49 (0) 8246 9699-0
Fax: +49 (0) 8246 1049
Web: http://www.filser.de
Email: info@filser.de
1.3 DESCRIPTION OF EQUIPMENT
The ATR833 COM Transceiver consists electrically of five sections:
Receiver transmitter board, AF Stage board, Antenna board, display
circuitry, and the microprocessor board.
The ATR833 operates at 14VDC and features typically 6 Watts of
transmitter power. It can also be operated down to 9VDC with reduced
RF power (emergency operation).
The ATR833 is a Dual Mode Airband Transceiver, that can operate
with 8.33 kHz/25 kHz channel spacing, plus a ’25 kHz only’ mode.
(see also “General Setup” in installation manual)
The frequency range is 118.000 to 136,975 MHz, channel spacing
8,33 kHz/25 kHz, results in 2.278 channels, or 118.000 to 136,975
MHz, channel spacing 25 kHz, results in 760 channels.
It is a single block unit with 57 mm diameter for instrument panel or
console mounting.