Sennheiser RS 140 User Manual

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L
L
1
2
ON/OFF
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3
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8
6
VOLUME/
BALANCE
7
TUNE
a
)
b)
COMPRESSION
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Bedienungsanleitung..................................................................................................3
Instructions for use.....................................................................................................11
Notice d’emploi ............................................................................................................19
Istruzioni per l’uso.......................................................................................................27
Instrucciones para el uso............................................................................................35
Instruções de Uso ........................................................................................................43
Gebruiksaanwijzing.....................................................................................................51
Käyttöohje ....................................................................................................................59
Οδηγίες χειρισµού......................................................................................................67

Sennheiser RS 140 Specifications

General

Ear coupling	Circumaural
Headphone frequency	18 - 21000 Hz
Headphone sensitivity	110 dB
Total Harmonic Distortion (THD)	0.5 %
Battery type	AAA
Battery voltage	9 V
Modulation	FM
Playtime internal battery	25 h
Case or master carton dimensions (W x D x H)	480 x 360 x 720 mm
Signal-to-Noise Ratio (SNR)	68 dB
Package width	140 mm
Package height	315 mm
Wireless range	150 m
Connectivity technology	Wireless

Weight and Dimensions

Weight	280 g

Summary

Safety Instructions

Wall Mounting

The transmitter is prepared for wall mounting; required hardware is not included.

Operation and Features

Connecting the Transmitter

Establish necessary connections for the transmitter, including mains unit and audio cable.

Removing Ear Cushions

Instructions on how to detach ear cushions using a quarter-turn fastener.

Inserting Rechargeable Batteries

Guidance on inserting rechargeable batteries, emphasizing correct polarity.

Charging Rechargeable Batteries

Procedure for charging batteries, including initial charge time and trickle charging.

Using the System

Turning Transmitter On/Off

How to activate and deactivate the transmitter automatically with the sound source.

Turning Headphones On/Off

Instructions for switching the headphones on and initiating transmitter search-tuning.

Adjusting Volume and Balance

How to control audio volume and balance between left and right channels.

Auto-Tuning Function

Details on automatic transmitter search-tuning and channel selection.

Advanced Functions

Self-Learning Level Control

Explanation of the automatic level control that optimizes signal reception.

Modulation Level Indicators

Understanding under-modulation (low signal) and over-modulation (high signal) LEDs.

Dynamic Compression System

How to activate dynamic compression for improved sound dynamics.

Automatic Noise Reduction

Description of the 'Noise Gate' function for reducing background hiss.

LEDs and Acoustic Signals

Transmitter LEDs

Meaning of transmitter LEDs (ON/OFF, CHARGE, COMPRESSION, INPUT LEVEL) and their states.

Headphone Acoustic Signals

Interpretation of headphone acoustic signals like short beeps and long beeps.

Troubleshooting and Maintenance

Turning Acoustic Signals On/Off

Instructions to enable or disable audible signals for headphone events.

Problem Solving Guide

Check connections, batteries, volume, and interference for common issues.

Specifications and Accessories

Accessories

List of optional accessories and replacement parts available for the system.

Warranty Information

Details regarding the standard 2-year warranty for the product.

Type Approval Regulations

Note to observe country-specific type approval regulations.

Technical Specifications

Detailed technical specifications for the transmitter and headphones.