User manual SENNHEISER EM 203
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Manual abstract: user guide SENNHEISER EM 203
Detailed instructions for use are in the User's Guide.
[. . . ] INSTRUCTION FOR USE
EM 203
CONTENTS
1
TECHNICAL OVERVIEW
1. 1 1. 2 1. 3 1. 4
2
Computer Control Diversity HIDYN plus® noise reduction system Block diagrams
POSSIBLE TRANSMITTER/RECEIVER COMBINATIONS
2. 1 2. 2 2. 3
3
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
3. 1 3. 2 3. 3 3. 4
4
Mains connection Antenna connection AF connection Start-up procedure/operating indicators
AVAILABLE MODULES
4. 1 4. 1. 1 4. 1. 2 4. 1. 3 4. 1. 4 4. 1. 5 4. 1. 6 4. 1. 7 4. 1. 8 4. 1. 9 4. 1. 10 4. 2 4. 2. 1 4. 2. 2 5
EM 1046 RX RECEIVER MODULE
Adjustment Receiver frequencies Squelch Selection RF signal/deviation/battery condition Display-text/frequency/battery condition Entry of brief text System configurations and specifications Remote monitoring of transmitter battery Monitoring of audio signals Stand-by
MONITOR
LED indicators Monitor headphones
TECHNICAL DATA
Introduction
The wireless Mikroport multi-channel sound transmission system EM 1046 is a transmitter/receiver system in a modular design. It offers comfortable handling and can be relied on for dependable service. · 3-channel diversity receiver EM 203 with microprocessor-controlled receiver modules 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. The chapter "AVAILABLE MODULES" provides you with information on every single module. [. . . ] 4. 1. 2
MANIPULATION
FUNCTION
The new frequency is stored in the memory. The EM 1046 RX receiver module switches to the new frequency selected.
Y
Y = YES !
DISPLAY
(RX)
Depress
For a short time the display indicates to store data
or depress
N
N = NO !
The program returns to the selection mode.
or
ESC
Additional frequencies can be selected, if need be. The display shows:
to stop storage.
NOTA BENE
Depress
ESC
to return to the previous level. This key also serves to stop data entry in case of errors.
EM 203, Publ. 10/94 engl
22
Squelch
4. 1. 3
DIVERSITY A B
MENU
Y N SET ESC
MANIPULATION
Choose option , , Squelch" (see ch. 4. 1. 1)
FUNCTION
DISPLAY
(RX)
Depress
SET
to allow the squelch threshold to be set. The display indicates the level selected.
DOWN
to select the squelch threshold. · Keeping the key depressed accelerates adjustment.
In addition, the left-hand LED bargraph display indicates the squelch threshold: · Use the RF scale (µV) to read off the squelch threshold.
Depress and subsequently:
SET
The squelch threshold can be additionally checked on the monitor (monitor - see ch. to store the squelch threshold or depress or: to stop storage.
EM 203, Publ. 10/94 engl
The display changes to , , Menu".
N
N = NO !
The program returns to the input routine. The display shows: 23
ESC
Selection RF signal level/deviation/batery condition
4. 1. 4
DIVERSITY A B
MENU
Y N SET ESC
MANIPULATION
Choose option "DEV", "RF" or "BAT" to indicate the RF signal level, deviation or battery condition. Depress key
Y N
SET
FUNCTION
It is useful to have permanent settings to facilitate day-to-day applications. The LED bargraph displays on the EM 1046 RX receiver module can be set to four different modes:
DISPLAY
(RX)
DEVIATION/FIELD STRENGTH OF THE ACTIVE CHANNEL FIELD STRENGTH OF CHANNELS A AND B (DIVERSITY) COMPARISON BETWEEN DEVIATION OF CHANNEL A AND B (DIVERSITY) TRANSMITTER BATTERY CONDITION/FIELD STRENGTH
to select the parameters to be indicated.
FOR FURTHER INFORMATION ON DATA INDICATED PLEASE REFER TO THE FOLLOWING PAGES!
After you have selected the data to be indicated, depress
SET
and subsequently
Y
Y = YES !
The new setting is stored. The display changes to , , Menu".
or depress or to stop storage.
EM 203, Publ. 10/94 engl
N
N = NO !
The program returns to the original setting, e. The display shows: 24
ESC
DIVERSITY A B
MENU
DEV.
Y N SET
RF.
ESC
CONTINUED FROM PAGE 24, CH. 4. 1. 4
MANIPULATION
Use or
Y N
FUNCTION
DEVIATION/FIIELD STRENGTH
DISPLAY
(RX)
to be indicated:
to select the parameters to be indicated.
SET
Depress and subsequently to store the latest setting or depress to stop storage.
Y
Y = YES !
N
N = NO !
After having depressed and
Y
The left-hand bargraph display indicates
150
%
DEV (= Deviation) in %
ESC
100
Peak Hold
DEV
The right-hand bargraph display shows the field strength (RF= Radio Frequency) in µV
µV 1000
100
RF EM 203, Publ. 10/94 engl
25
DIVERSITY A B
MENU
Y
RFA
N SET ESC
RFB
CONTINUED FROM PAGE 25, CH. 4. 1. 4
MANIPULATION
Use or
Y N
FUNCTION
FIELD STRENGTH OF CHANNELS A/B (DIVERSITY)
DISPLAY
(RX)
to be indicated:
to select the parameters to be indicated.
SET
Depress and subsequently to store the latest setting or depress to stop storage.
Y
Y = YES !
N
N = NO !
After having depressed and
Y ESC
The left-hand bargraph display indicates Field strength(RF = Radio Frequency) in µV for diversity channel A
µV 1000
100
NOTA BENE
This display allows to monitor the RF level of both diversitiy channels and indicates possible antenna problems.
RF
The right-hand bargraph display shows the field strength (RF = Radio Frequency) in µV for diversity channel B The scale in µV near the right-hand bargraph display is to be used for both LED bargraph displays.
µV 1000
100
RF
EM 203, Publ. 10/94 engl
26
DIVERSITY A B
MENU
DEV A
Y N SET ESC
DEV B
CONTINUED FROM PAGE 26, CH. 4. 1. 4
MANIPULATION
Use or
Y N
FUNCTION
DEVIATION CHANNELS A/B (DIVERSITY)
DISPLAY
(RX)
to be indicated:
to select the parameters to be indicated.
SET
Depress and subsequently to store the latest setting or depress to stop storage.
Y
Y = YES !
N
N = NO !
After having depressed and
Y
The left-hand bargraph display indicates
150
%
ESC
DEV (= deviation) in % for diversity channel A.
Peak Hold 100
DEV
The right-hand bargraph display shows the
150
% Peak Hold 100
DEV (= deviation) in % for diversity channel B
NOTA BENE
The read-outs of both bargraph displays differ from each other only in case of faulty functioning.
EM 203, Publ. 10/94 engl
The scale in % near the left-hand bargraph display is to be used for both LED bargraph displays.
DEV
27
DIVERSITY A B
MENU
Y N SET ESC
CONTINUED FROM PAGE 27, CH. [. . . ] one channel at a time.
DISPLAY
(RX)
Depress The LED on the monitor key lights up if the key is depressed, i. to monitor the audio signal via headphones connected to the mainframe.
Depress
once again to stop monitoring.
EM 203, Publ. 10/94 engl
34
Stand-by
4. 1. 9
DIVERSITY A B
MENU
Y N SET ESC
MANIPULATION
FUNCTION
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: · the wish to have only active channels indicated or · the need of fault finding in case of RF interference. interference
DISPLAY
(RX)
Depress the stand-by key and choose or
Y N
The receiver offers two options: Y = yes, switch off receiver N = no, return to normal operation If the receiver has been switched off, the display indicates for about 2 seconds and subsequently goes out, except for a small luninous spot.
Depress the stand-by key once again to put the unit to work and choose
Y N
Y=
N=
yes, return to normal operation. [. . . ]
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