Sennheiser EM 203 Instructions For Use Manual
  1. Manuals
  2. Brands
  3. Sennheiser Manuals
  4. Receiver
  5. EM 203
  6. Instructions for use manual

Sennheiser EM 203 Instructions For Use Manual

Hide thumbs Also See for EM 203:
Table of Contents

Advertisement

Quick Links

Download this manual
EM 203
INSTRUCTION FOR USE

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EM 203 and is the answer not in the manual?

Questions and answers

Related Manuals for Sennheiser EM 203

Summary of Contents for Sennheiser EM 203

  • Page 1 EM 203 INSTRUCTION FOR USE...

  • Page 2: Table Of Contents

    ® ® EM 203 receiver/SK 2012 TV(HiDyn plus ) and SKM 4031 HiDyn plus ® EM 203 receiver/SK 50/250 UHF and SKM 5000 (HiDyn plus EM 203 receiver/SER 20 transceivers PUTTING THE EM 203 TO WORK Mains connection Antenna connection...
  • Page 3 • Ultimate flexibility in the selection of transmitter and receiver frequencies thanks to easy-to-replace PROMs and EEPROMs. The present manual shall help you to get acquainted with the EM 203 receiver. • The chapter "START-UP PROCEDURE" helps you to connect the unit to the mains and to put it to work.

  • Page 4: Technical Overview

    Technical overview Computer control Diversity ® HiDyn plus noise reduction Block diagrams...
  • Page 5 Computer control Every single EM 1046 RX receiver module has an in-built micro- processor for the RF section, the operating elements and all indicators. It serves to control the following components or parameters: • phase locked loop (PLL) synthesizer •...
  • Page 6 Sennheiser’s specially developed diversity system is based on two receivers operating on the same frequency and two separate antennas. A comparator ensures that the receiver with the strongest RF signal is automatically and noiselessly switched to the AF output. Diversity operations can compensate for considerable variations in field strength, thus providing an enormous gain in transmission reliability.

  • Page 7: Hidyn Plus

    « is a wideband compander system. It is a combination of ® a compressor at the transmitter (ratio 2:1) and an expander at the receiver, the compressor reducing the volume of the signal and the expander restoring it. The optimized dynamic range and the control amplifier in the transmitter effectively reduce modulation problems.
  • Page 8 Block diagram EM 203...

  • Page 9: Possible Transmitter/Receiver Combinations

    Possible transmitter/ receiver combinations EM 203 receiver/ ® SK 2012 TV (HiDyn plus ® and SKM 4031 TV-HiDyn plus Transmitters EM 203 receiver/ SK 50/250 UHF ® and SKM 5000 (HiDyn plus Transmitters EM 203 RECEIVER/ SER 20 TRANSCEIVER...
  • Page 10 SK 2012 body-pack transmitters can be retrofitted (change from HIDYN ® to HIDYN plus ) to make them suitable for use with EM ® 1046 receivers. SK 2012 TV (HiDyn plus ® To this purpose please send the transmitters to be retrofitted to Sennheiser's Service Depart- ment, 30900 Wedemark.
  • Page 11 EM 1046/ SK 50 UHF / SK 250 UHF and SKM 5000 SKM 5000 MKE 2-4 MKE 102-4 MKE 10-4 SK 50 UHF / SK 250 UHF 2 GZA 1036 TV 450 - 800 MHz 2 GZA 1036-9 140 -960 MHz...
  • Page 12 Refer retrofitting to Sennheiser distributors or Sennheiser's Service Department, 30900 Wedemark, Germany. At the time that the present brochure went to print the retrofit kit for the SER 20 transceiver was already under development. Please contact your Sennheiser distributor for further information on the exact date of delivery.

  • Page 13: Putting The Em 203 To Work

    Putting the EM 203 receiver to work Mains connection 3.1 Antenna connection AF connection Start-up procedure/ operating indicators DISPLAY MANIPULATION FUNCTION (RX) EM 203, Publ. 10/94 engl...
  • Page 14 Connection of the plug-in power supply unit is via socket P at the back panel of the EM 203. Antenna connection The two antennas needed for diversity operation (see ch. 1.2) connect to sockets...
  • Page 15 LED indicators for the operating voltages light up (see ch. 4.2.1). The display changes after about 5 seconds It shows the frequency on which the mdoule is operating the name of the user, e. g. "THE CAT": NOTA BENE Put the transmitters to work (see their user’s...

  • Page 16: Available Modules

    Available modules EM 1046 RX receiver module Monitor...

  • Page 17: Em 1046 Rx Receiver Module

    EM 1046 RX receiver module Adjustment 4.1.1 Receiver frequencies 4.1.2 Squelch 4.1.3 Selection 4.1.4 RF Signal level/deviation/ battery condition Display 4.1.5 Text/frequency/battery condition Entry of brief texts 4.1.6 System configurations and specifications 4.1.7 Remote monitoring 4.1.8 Of transmitter battery Monitoring of audio signals 4.1.9...
  • Page 18 OPERATING ELEMENTS ON THE EM 1046 RX MODULE 8 DIGIT RACK CONNECTOR ALPHANUMERIC LED DISPLAY (invisible) KEYS TO CONTROL THE MENU AND TO PROGRAM THE MODULE INDICATOR FOR REMOTE DIVERSITY MONITORING CHANNELS LED BARGRAPH DISPLAYS FOR DEVIATION/RF SIGNAL LEVEL/ MONITOR KEY...

  • Page 19: Adjustment

    Display of EM 1035 RX configuration and identification data Please see chapter 4.1.7 to return to the previous level. This key also serves to stop data entry in case Battery condition (SK 50/250) of errors. Please see chapter 4.1.8 EM 203, Publ. 10/94 engl...

  • Page 20: Receiver Frequencies

    The frequencies or frequency ranges selected must fall within the system's 24 MHz window. The configuration selected is stored in the EM 1046 RX receiver module by a personal computer via the service interface or by the remote computer. The configuration can be changed as often as desired.
  • Page 21 DOWN to select a receiver frequency as per pre-programmed parameters. • Freely selectable receiver frequencies can easily be adjusted in a 5 kHz grid. The unit • Keeping the key depressed changes automatically from one grid to acdelerates selection. another.
  • Page 22 The program returns to the menu. The display shows: to stop storage. NOTA BENE Depress to return to the previous level. This key also serves to stop data entry in case of errors. EM 203, Publ. 10/94 engl...

  • Page 23: Squelch

    • Keeping the key depressed accelerates • Use the RF scale ( V) to read off the adjustment. squelch threshold. The squelch threshold can be additionally checked on the monitor (monitor - see ch.

  • Page 24: Selection

    COMPARISON BETWEEN DEVIATION OF CHANNEL A AND B (DIVERSITY) TRANSMITTER BATTERY CONDITION/FIELD STRENGTH FOR FURTHER INFORMATION ON DATA INDICATED PLEASE REFER TO THE FOLLOWING PAGES! After you have selected the data to be indicated, depress The new setting is stored.
  • Page 25 CONTINUED FROM PAGE 24, CH. 4.1.4 DISPLAY MANIPULATION FUNCTION (RX) DEVIATION/FIIELD STRENGTH to be indicated: to select the parameters to be indicated. Depress and subsequently Y = YES ! to store the latest setting or depress N = NO ! to stop storage.
  • Page 26 A NOTA BENE The right-hand bargraph display shows the 1000 This display allows to monitor the RF level of field strength (RF = Radio Frequency) in V both diversitiy channels and indicates possible for diversity channel B antenna problems.
  • Page 27 NOTA BENE The read-outs of both bargraph displays differ The scale in % near the left-hand bargraph from each other only in case of faulty display is to be used for both LED bargraph functioning. displays. EM 203, Publ. 10/94 engl...
  • Page 28 LED does not light up. NOTA BENE 1000 • The display is only operative if SK 50 TV or SK 250 TV transmitters are used! • After power-up of the transmitter, it will The right-hand bargraph display shows the take the display about 10 seconds to indicate the battery condition.

  • Page 29: Text/Frequency/Battery Condition

    It indicates the receiver frequency of the EM 1046 RX receiver module (see ch. 4.1.2) DOWN • it indicates the text entered, e. g. the actors' names who use the transmitters to select the parameters to be indicated. (see ch. 4.1.6) Depress and subsequently The new data are stored.

  • Page 30: Entry Of Brief Texts

    The display indicates the latest text entered. Thefirst segment of the eight alphanumeric Depress segments starts blinking. to allow a brief text to be entered. NOTA BENE • If you don't want to use all segments: When "scrolling" the character set, you will find a "blank segment"...

  • Page 31: System Configurations

    Depress Department or Sennheiser distributors) CUSTOMER-SPECIFIC TEXT to return to the previous level. This key also serves to stop data entry in case It is entered by Sennheiser electronic KG or of errors. your Sennheiser distributor, if ordered. EM 203, Publ. 10/94 engl...

  • Page 32: Remote Monitoring Of Transmitter Battery

    CONDITION OF PRIMARY CELLS: Depress Capacity of 100 % to return to the previous level. Capacity of about 70 % This key also serves to stop data entry in case of errors. Capacity of about 30 %, the display starts blinking. Attention ! Replace the transmitter batteries.
  • Page 33 CAPACITY OF RECHARGEABLE BATTERIES: Capacity of 100 % Capacity of about 80 % Capacity of about 60 % Capacity of about 40 % Capacity of about 20 %, the display starts blinking. NOTA BENE Attention ! Use the luminous band for permanent Replace the battery pack.

  • Page 34: Monitoring Of Audio Signals

    It is only possible to monitor the active channel, i. e. one channel at a time. Depress The LED on the monitor key lights up if the key is depressed, i. e. monitoring is possible. to monitor the audio signal via headphones connected to the mainframe.

  • Page 35: Stand-By

    DISPLAY MANIPULATION FUNCTION (RX) In some situations it is useful not only to mute the audio signal at the mixing console but also to switch off the complete RF section of the EM 1046 receiver module. Two reasons of several possible are: •...

  • Page 36: Monitor

    Monitor LED indicators 4.2.1 Monitor headphones 4.2.2 OPERATING ELEMENTS ON/OFF SWITCH POWER INDICATORS BOOSTER INDICATORS (INCL. OVERLOAD) REMOTE SWITCH 20 dB GAIN (REMOTE CONTROL) FOR MONITORING WITHOUT FUNCTION! MONITOR MONITORING VOLUME HEADPHONES (STEREO, 6,3 mm Ø MIN. IMPED. 50 )
  • Page 37 'The other four LEDs serve to monitor the antenna boosters connected (e.g. AB 1036 TV): DC-A The switch on input module A is set to ON. The antenna booster is powered by the EM 1046 system DC-B The switch on input module B is set to ON. The...
  • Page 38 50 to 300 The rotary switch serves to adjust the volume. The "+ 20 dB" switch increases the signal level at the monitor socket by 20 dB. This facilitates the identification of residual noise.

  • Page 39: Technical Data

    2 NF-PAD, 20 dB attenuation Booster supply voltage 2 x 12 V, max. 150 mA, current limiter, switchable Supply voltage 12 - 16 V / 3 A DC, protective low voltage Power consumption max. 30 W Mains connection 4-pin XLR, for plug-in PSU (different for each country) Housing 19"...
  • Page 40 SENNHEISER ELECTRONIC KG 30900 Wedemark Subject to alterations. Errors and omissions excepted! Publ.: 10/94 51104...

Table of Contents