Vega Network Cables Rack-Mount Transmitter Bedienungsanleitung PDF herunterladen (Seite 4)

Introduction

This document describes setup, adjustment, and operation only; detailed

maintenance information is not included. If you have any questions, consult your

dealer or the Vega factory.

Your Vega Model RMT-10 is a single-channel VHF FM transmitter. It transmits a mono

audio signal to compatible receivers (typically Vega PL-2s). The RMT-10's “transmitter

module” ( PCB) can be swapped (by authorized personnel) to allow operation on a

different frequency—any one of over 1,600 different frequencies between 169 MHz

and 216 MHz. Consult your dealer or the Vega factory for details.

The RMT-10 accepts either line or mic audio via a standard XLR connector. The “input

level” switch allows selection between mic (–40 to –10 dBu) or line (–10 and +20 dBu)

audio input. RMT-10s may also be internally programmed to work with Clear-Com or

RTS wired intercom systems (“receive-only” mode). The RMT-10 may also be

configured to pass a 70-volt speaker line (input up to 250 volts push-to-talk).

Fine audio-level adjustments may be made using the 30-dB variable attenuator

conveniently located on the front panel. To improve intelligibility, the transmission

signal may be adjusted via “frequency compensation” and “audio compression”

controls. Two “frequency compensation” controls for boosting or cutting the low and

high frequencies are provided on the rear panel. The “audio compression” control

limits dynamic range by either a 2:1 logarithmic compressor or a wide-range

automatic level control (ALC) system. See the “Adjustments” section for details.

Noise reduction is achieved with a proprietary two-ended compander system that is

always active. The compander is compatible with Vega's PL-2 portable VHF receiver.

A 1/4-wave “whip” antenna is provided with the RMT-10. Other antennas, such as the Vega

Model 123U dipole antenna, may be used to facilitate rack-mount installation or to improve

coverage where the standard whip antenna would otherwise be blocked or shielded by

equipment cabinets or large objects.

4 Vega RMT-10

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Vega Network Cables Rack-Mount Transmitter Bedienungsanleitung Seite 4