3
SECTION 1
GENERAL INFORMATIONS
A) Introduction
Thank you for purchasing one of the fine products made by DECADE transmitters.
Your new LX-75 series HI-FI FM TRANSMITTER is a very high performance and high
reliability piece of equipment. Before using it, please read this manual carefully in order
to obtain the best possible results from your transmitter. The manual contains
installation, operation and programming procedures for DECADE LX-75 series FM
Transmitters.
B) Description
LX-75 series transmitters include a high precision crystal controlled VCO and an RF
power amplifier. The LX-75 series are offered in 3 different audio configurations. The
LX-75M (mono) accepts audio signals via the rear panel 1/4 female jack and an
additional balanced 600 Ohms XLR-3 type with phantom power input jack
(microphone level) and an additional audio level control via the front panel. The LX-
75B (mono) accepts audio signals via the rear panel 1/4 female jack and is equipped
with an additional balanced 600 Ohms XLR-3 type input jack (line level) and an
additional audio level control on it's front panel. The LX-75SM shares the same type
of audio inputs as the LX-75M but does broadcast in stereo or mono mode.
Each input types are associated to an individual volume control on the front panel in
order to get optimum modulation level. This useful feature makes Decade transmitters
very versatile, allowing them to accept audio signals from many sources like: CD or
DVD players, tape deck, microphones and audio mixing boards (please refer to section
3-c for optimum audio broadcasting)
C) Warranty
LX-75 series transmitters come with a one (1) year warranty that covers parts
replacement and labor required to repair any defects resulting from the manufacturing
process. All claims must be authorized by DECADE prior to shipment of a faulty unit
for repairs and a copy of the invoice must be included in the shipment. Shipping fees
are assumed by the client and DECADE will pay for the return of the repaired unit.
D) Warning
DECADE transmitters operate on the 88.1 MHz - 107.5 MHZ commercial FM
broadcast band, so signals transmitted by them can be received on any standard FM
receiver. Thus, some care should be taken in the use made out of these transmitters.