Sennheiser SR 2020 D User Manual

Tourguide Wireless Transmitter
SR 2020 D
Instruction manual
Contents
Thank you for choosing Sennheiser! We have designed this product to give you reliable operation over many years. Over 60 years of
accumulated expertise in the design and manufacture of high-quality electro-acoustic equipment have made Sennheiser a world-leading company in this field.
Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser products quickly and to the fullest.
Contents
Important safety instructions ............................................................................................................2
Delivery includes ....................................................................................................................................4
Tourguide system overview ................................................................................................................4
Areas of application .........................................................................................................................5
Connection possibilities ..................................................................................................................6
Product overview ...................................................................................................................................7
Indications and displays on the transmitter ..............................................................................8
Putting the SR 2020 D into operation ..............................................................................................9
Preparing the transmitter for use ................................................................................................ 9
Connecting the transmitter to the mains .................................................................................12
Connecting external devices .................. ......................................................................................12
Connecting the headphones ........................................................................................................13
Operating the SR 2020 D ...................................................................................................................14
Switching the transmitter on/off ........................................................................................ .......14
Working with the operating menu .............................................................................................14
Selecting the menus ......................................................................................................................16
Overview of the operating menu ................................................................................................22
Cleaning the SR 2020 D .....................................................................................................................24
If a problem occurs....
Accessories and spare parts ..............................................................................................................25
Specifications .......................................................................................................................................26
Manufacturer Declarations ...............................................................................................................27
Index .......................................................................................................................................................29
.........................................................................................................................24
1

Important safety instructions

Important safety instructions
Read this instruction manual.
Keep this instruction manual. Always in clude this instruction manual when passing the device on to third parties.
Clean only with a dry cloth.
The configuration of the transmitter must only be carried out by professionally trained personnel.
Refer all servicing to qualified service personnel. Servicing is required if the device has been damaged in any way, liquid has been spilled, objects have fallen inside, the device has been exposed to rain or moisture, does not operate properly or has been dropped.
WARNING: To reduce the risk of fire or electric shock, do not expose the device and the mains unit to rain or moisture.
Do not place objects filled with liquids, such as vases or coffee cups, on the device.
Disconnect the mains connector from the wall socket – to completely disconnect the device from the mains, – during lightning storms or when unused for long periods of time.
Use only the supplied mains unit.
Ensure that the mains unit is: – always readily operable and easily accessible, – properly plugged into the wall socket, – only operated within the permissible temperature range (see “Specifications” on
page 26).
– not covered or exposed to direct sunlight for longer periods of time in order to prevent
heat accumulation.
2
Important safety instructions

Overloading

Do not overload wall outlets and extension cables as this may result in fire and electric shock.

Replacement parts

When replacement parts are required, be sure the service technician has used replacement parts specified by Sennheiser or those having the same characteristics as the original part. Unauthorized substitutions may resul t in fire, electric shock, or other hazards.
Danger due to high volumes
This is a professional device. Commercial use is subject to the rules and regulations of the trade association responsible. Sennheiser, as the manufacturer, is therefore obliged to expressly point out possible health risks arising from use. This device is capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. At higher volumes, the duration must be shortened in order to prevent hearing damage. The following are sure signs that you have been subjected to excessive noise for too long a time:
You can hear ringing or whistling sounds in your ears.
• You have the impression (even for a short time only) that you can no longer hear high notes.

Intended use of the device

Intended use of the device includes:
y using the device for professional purposes, y having read these instructions especially the chapter “Important safety instructions” on
page 2,
y using the device within the operating conditions and limitations described in this
instruction manual.
“Improper use” means using the device other than as described in these instructions, or under operating conditions which differ from those described herein.
3

Delivery includes

Delivery includes
1 SR 2020 D transmitter 1NT2 mains unit 1telescopic antenna 1 GA 2 rack adapter, consisting of:
2rack mountears” 1blanking plate 1jointing plate 2blanking plugs for closing off unused BNC holes 12 recessed head screws M 3x6
2 recessed head screws M 6x10 4 device feet 1instruction manual

System components

The SR 2020 D transmitter allows the stationary use of the Tourguide 2020D system. The transmitter can be combined with the following individual components:
HDE 2020 D stethoset receivers
EZL 2020-20 L charging case including
instruction manual of the overall system
L 2021-40 charger (incl. “Conference Control” software)

Tourguide system overview

Together with the SR 2020 D transmitter, the Tourguide 2020 D system offers optimum digital speech transmission for the following applications:
simultaneous interpretations and
stationary guided tours
4
Tourguide system overview
t o u r
g u i d e
t o u r
g u i d e
to u r
g u id e
to u r
g u id e

Areas of application

Simultaneous interpretations during conferences (“Conference“ mode)
The main application of the stationary SR 2020 D transmitter is its use for simultaneous interpretations during conferences.
Eight fixed transmission frequencies allow for interference-free simultaneous interpretations in up to eight languages (see “Transmitting several languages simultaneously” on page 17).
Stationary guided tours (“Tourguide“ mode)
With a stationary guided tour, both the group and the transmitters are in a fixed location.
5
Tourguide system overview
Examples for stationary guided tours are multimedia presenta tions, movie shows as well as boat and bus tours in several languages.
Six fixed transmission frequencies allow for simultaneous transmission in up to six languages (see “Transmitting several languages simultaneously” on page 17).
The Tourguide 2020 D system operates in the 863 MHz– 865 MHz frequency band, which is license-free in Europe (see “Specifications” on page 26).

Connection possibilities

You can connect one of the following phantom-powered Sennheiser condenser microphones (not included) to the SR 2020 D transmitter:
ME 34, ME 35, ME 36 In addition, you can connect an audio source to the transmitter:
Conference/interpretation systems
•MP3 player
•CD /DVD player
6

Product overview

B
A
A
B
tourguide
2
Product overview

 
Operating controls - front
Headphone output (PHONES),
¼” (6.3 mm) jack socket
Headphone volume control (VOL) Display, backlit /rocker button, backlit SET button, backlit ON button, backlit
(serves as the ESC (cancel) key in the operating menu)
Operating controls - rear
Cable grip for mains cable Socket for connection of mains unit
(DC IN 12 V/300 mA)
Audio input (AF IN MIC/LINE),
XLR-3F socket
Service interface (DATA) Type plate Antenna output (ANT), BNC socket
Indications on the display panel
Display for the selected signal source
(Mic/Line)
Mic/Line level display Channel display Lock mode icon
(lock mode is activated)
7
Product overview

Indications and displays on the transmitter

Display for the selected signal source (Mic/Line)

You can connect either a condenser microphone or an external audio source to the transmitter.
If you connect a condenser microphone, select “Mic” via the operating menu. If you connect an external audio source, select “Line” (see page 19).
Mic” or “Line” appears on the display .
Note:
If the “Mic” microphone input is selected but no microphone is connected, “No Mic” appears on the display.

Mic/Line level display

The Mic/Line level display shows the input level. When the transmitter’s audio input level is excessively high, the
Mic/Line level display shows full deflection.
In addition, the display panel is in backlit in red and the text “PEAK” flashes in alternation with the channel display (see page 19).

Channel display

The channel display provides information on the currently selected channel (see page 17).

Lock mode icon

The lock mode icon appears when the lock mode is activated (see page 20).
8

Putting the SR 2020 D into operation

CAUTION!
Putting the SR 2020 D into operation

Preparing the transmitter for use

You can set up the SR 2020 D transmitter on an even surface or mount it into a 19“ rack.
Note:
Do not fit the rubber feet when rack mounting the trans­mitter.

Setting up the transmitter on an even surface

To ensure that the transmitter cannot slip on the surface on which it is placed, four self-adhesive soft rubber feet are supplied.
Risk of staining of furniture surfaces!
Some furniture surfaces have been treated with varnish, polish or synthetics which might cause stains when they come into contact with other synthetics. Despite a thorough testing of the synthetics used by us, we cannot rule out the possibility of staining.
Do not place the transmitter on delicate
surfaces.
Ensure that the base of the transmitter is clean and free from
grease before mounting the rubber feet.
Fix the rubber feet to the base of the transmitter by peeling
of the safety paper and fitting them as shown in the diagram on the left.
Connecting the antenna Connect the telescopic antenna to the antenna output at
the rear of the transmitter.
To obtain the best possible radiat ion power:
Align the antenna vertically.
9
Putting the SR 2020 D into operation
CAUTION!

Rack-mounting

Risks when rack mounting the transmitter!
When installing the device in a closed or multi-rack assembly, please consider that, during operation, the ambient temperature, the mechanical loading and the electrical potentials will be different from those of devices which are not mounted into a rack:
The ambient temperature within the rack must
not exceed the temperature limit specified in the specifications.
When installing the device in a rack, take good
care not to affect the ventilation required for safe operation. If necessary, provide additional ventilation.
Make sure the mechanical loading of the rack is
even to avoid a hazardous condition such as a severely unbalanced rack.
When connecting the device to the mains,
observe the information indicated on the type plate. Avoid circuit overloading. If necessary, provide overcurrent protection.
When installing the device in a closed or multi-
rack assembly, please note that intrinsically harmless leakage currents of the individual mains units may accumulate, thereby exceeding the allowable limit value. As a remedy, ground the rack via an additional ground connection.
Mounting the antennas
to the front or rear
of the rack
10
For the best possible radiation power, you should align the antennas vertically. If this is not possible, use one of the optional antenna mounts (see “Accessories and spare parts” on page 25):
You mount... Antenna mount
... 1 transmitter AM 2 ... 2 transmitters GA 3030 AM
Mounting two
SR 2020 D
side by side
Putting the SR 2020 D into operation
When using several transmitters simultaneously, make sure that, in order to avoid interference, the distance between the antennas is sufficient. If necessary, use active transmitter com­biners (see “Accessories and spare parts” on page 25):
You mount... Active Transmitter Combiner
... 1 transmitter AC 2 ... 2 transmitters AC 3200
Place the two transmitters side by side upside-down onto a
flat surface.
Align the jointing plate over the holes in the bottom sides
of the transmitters.
Secure the jointing plate to the transmitters using eight of
the supplied recessed head screws (M 3x6).
Hook the two rack mount “ears” to the front panels of the
transmitters.
Secure the rack mount “ears” to the transmitters using
two of the supplied recessed head screws (M 3x6) respectively. If you wish to mount the antenna connections to the front of the rack, use the rack mount “ears” of the optional GA 3030 AM antenna mount .
Slide the transmitters into the 19” rack.Secure the rack mount “ears” to the rack.
11
Putting the SR 2020 D into operation
2

Mounting only one
SR 2020 D
When mounting only one transmitter into the rack, use the blanking plate instead of the second transmitter.
Hook the two rack mount “ears” to the front panel of the
transmitter.
Secure the rack mount “ears” to the transmitter using two
of the supplied recessed head screws (M 3x6) respectively.
Secure the blanking plate to one of the rack mount
“ears” using two of the supplied recessed head screws (M 6x10).
If you are not front mounting the BNC output connector,
insert the two blanking plugs into the holes of the blanking plate.
Slide the transmitter into the 19” rack.Secure the rack mount “ears” to the rack.
12

Connecting the transmitter to the mains

Pass the cable through the cable grip .Connect the cable of the mains unit to the DC IN socket of
the transmitter.
Plug the mains connector into the wall socket.

Connecting external devices

You can connect either a microphone (Mic) or an external audio source (Line, e.g. CD or MP3 player) to the transmitter.
To do so, use a suitable audio cable with a length of up to 3 m.
Putting the SR 2020 D into operation
2
2
CAUTION!

Connecting an external audio source to the transmitter

Connect the line output of the external au dio source to the
XLR-3F socket of the transmitter.

Connecting a condenser microphone

The microphone input of the SR 2020 D transmitter is exclusively designed for use with condenser microphones. Suitable microphones are listed on page 6.
Connect the condenser microphone to the XLR-3F socket
of the transmitter.

Connecting the headphones

The Mic/Line level display displays the strength of the input signal (see page 8). The SR 2020 D transmitter also features a headphone output for monitoring purposes.
Danger of hearing damage!
Listening at high volume levels for long periods can lead to permanent hearing defects.
Use the headphone volum e control (VOL) to
set the volume for the connected headphones to the minimum before putting the headphones on.
To monitor the audio signal via headphones:
Set the headphone volume control to the lowest volume
by turning it to the left as far as possible.
Connect headphones with a ¼” (6.3 mm) stereo jack plug to
the headphone output .
Put the headphones on.Gradually turn up the volume.
13

Operating the SR 2020 D

Operating the SR 2020 D

Switching the transmitter on/off

To switch the transmitter on:
Press the ON button .
The display panel indicates the device name and then switches to the standard display.
To switch the transmitter off:
Press the ON button until “OFF” appears on the display.Release the ON button .
The display panel goes off and the transmitter switches off.
Note:
The transmitter can only be switched off when the standard display is shown on the display panel. When in the operating menu, the ONbutton serves as the ESC (cancel) key, i.e. you cancel your entry and return to the standard display.

Working with the operating menu

By way of example of the “Chan. mode” menu (Channel mode), this section describes how to use the operating menu.
For an overview of the operating menu, please see page 22.
Make sure that the lock mode is deactivated (see page 20).

Getting into the operating menu

To get from the standard display into the operating menu:
Press the SET button .
The “Channel” menu is highlighted with a black bar.
14
Operating the SR 2020 D

Selecting a menu

Use the /rocker button to select the “Chan. mode
menu:
Rocker button Display
Press jumps to the previous menu Press jumps to the next menu
Keep or pressed
cycles continuously
Press the SET button to get into the setting mode of the
Chan. mode” menu. The current setting of the menu is displayed.

Adjusting a setting in the setting mode

Use the /rocker button to jump between the settings,
in this example between “Tourguide” and “Conference”.

Storing a setting

Press the SET button to store the selected setting.
STORED” briefly appears on the display.

Exiting a menu

Press the ON button  to return to the operating menu.
15
Operating the SR 2020 D
 

Exiting the operating menu

Use the /rocker button  to select the “Exit” menu and
press the SET button . The standard display is shown on the display panel.
Or:
Press the ON button  until the standard display is shown
on the display panel.

Selecting the menus

The transmitter’s operating me nu contains the following menus:
Menu Function of the menu
“Channel” Selecting a channel
(see page 17)
“Frequency” Displaying the frequency of the current
channel (see page 17)
“Chan. mode” Selecting the channel mode
(see page 18)
“Input” Selecting the input signal
(see page 19)
“Sensitiv” Adjusting the input sensitivity
(see page 19)
“Phantom” Displaying the phantom power
(see page 20)
“Contrast” Adjusting the contrast
(see page 20)
“Lock” Activating/deactivating the lock mode
(see page 20)
“Reset” Loading the factory-preset default settings
(see page 21)
“Version” Displaying the current software version
(see page 21)
“Exit” Exiting the operating menu
16
Operating the SR 2020 D
 

Setting a channel (“Channel”)

To set a certain channel, proceed as follows:
1. Make sure that the transmitter and th e receivers are set to the same channel mode (“Tourguide” or “Conference”), otherwise no connection can be established (see page 18).
2. Set the SR 2020 D transmi tter to the desired channel (see next section).
3. Set one of the receivers to the same channel.
4. Automatically set all other receivers to the same channel using the channel copy function (for information on the channel copy function, please refer to the instruction manual of the Tourguide 2020 system).
To set the transmitter to the desired channel:
Select the “Channel” menu.
Channel” appears on the display and the current channel is shown.
Press the /rocker button to change the channel.Press the SET button to store the selected channel.
Transmitting several
languages simultaneously
In order to be able to transmit several languages simultaneously, you require one SR 2020 D transmitter and one or several receivers per language:
Set the transmitter and the receivers assigned to certain
language to the same channel.
Do not use this channel for any other language.

Displaying the frequency of the selected channel (“Frequency”)

You can display the frequency of the selected channel. This function is useful, if you are using other Tourguide systems in the vicinity which interfere with your transmission (see previous section).
17
Operating the SR 2020 D
 
Select the “Frequency” menu.
Frequency” appears on the display and the frequency of the current channel is shown.

Changing the channel mode (“Chan. mode”)

You can choose between the two channel mod es “Conference and “Tourguide”. The two modes have been designed for different applications and differ from each other in the number of available channels:
Channel mode Application Number of channels
Conference Simultaneous
interpretations
Tourguide Tourguide systems 6
8
To change the channel mode:
Select the “Chan. mode” menu.Use the /rocker button to change the channel mode
(“Tourguide“/“Conference”).
Press the SET button to store the selected channel mode.
Display of the channel
18
mode
The selected channel mode appe ars on the standard display as follows:
Display Channel mode
“Tourguide“
“Conference“
Operating the SR 2020 D
 

Selecting the input signal (“Input”)

You can connect either a condenser microphone or any other audio source (e.g. CD and MP3 player, see page 6) to the transmitter.
To select the input signal:
Select the Input” menu.Press the SET button to display the current setting (Mic/
Line).
Use the /rocker button to select the desired input
signal:
You connect ... Select
a condenser microphone? Mic an external audio source? Line
Press the SET button  to store the selected input signal.

Adjusting the sensitivity of the Mic/Line input (“Sensitiv”)

If you connect a microphone to the transmitter, the microphone signal has to be amplified by the transmitter. Other audio sources can be amplified, if their audio signal is too low.
To adjust the input sensitivity:
Select the “Sensitiv” menu.Use the /rocker button to change the setting. The
Mic/Line level display should show full deflection during the loudest passages.
19
Operating the SR 2020 D
 
 
Press the SET button to store the input sensitivity of the
Mic/Line input.

Displaying the phantom power (“Phantom”)

When you activate the transmitter’s microphone input (see page 19), the phantom power is automatically available. The display show the value of the phantom power.

Adjusting the contrast of the display (“Contrast”)

To adjust the contrast of the display to the ambient light:
Select the “Contrast” menu.
Contrast” appears on the display and the current setting is shown.
Use the /rocker button to change the setting.Press the SET button to store the setting.

Activating/deactivating the lock mode (“Lock”)

The lock mode prevents that the transmitter is accidentally programmed or switched off during operation.
To activate the lock mode:
Select the “Lock” menu.Select the setting “Lock On”.Press the SET button .
The lock mode is activated and the lock mode icon appears on the standard display.
20
Operating the SR 2020 D
 
To deactivate the lock mode:
Press the SET button .Lock On” appears on the display.Select the setting “Lock Off”.Press the SET button to deactivate the lock mod e .
The lock mode icon disappears from the standard display.
Standard display Lock mode is ...
activated
deactivated

Loading the factory-preset default settings (“Reset”)

Select the “Reset” menu.
Reset No” appears on the display.
Press the /rocker button until “Reset Yes” appears on
the display.
Press the SET button to reset the device to the fact ory-
preset default settings. “DONE” appears on the display. The transmitter is reset to the following factory-preset default settings:
y Channel mode: Tourguide y Input signal: Line input y Channel: 1 y Input sensitivities:
– Line input: 0 dB – Microphone input: 0 dB
y Lock mode: deactivated

Displaying the version number of the software (“Version”)

Note:
This function is for servicing purposes only.
To display the version number:
Select the “Version” menu.
The version number appears on the display.
21
Operating the SR 2020 D
Setting modeSelection mode
Phantom power
CHAN 01
SR 2020 D
SET
5 Sec
Chan. mode
Tourguide
/
SET: Stores the setting
Current setting
Chan. mode Tourguide
Chan. mode
Conference
Setting the channel mode
SET
STORED
/
SET: Stores the setting
Current setting
Input Line
Selecting the input signal
Input
Line
Input
Mic
SET
SET
STORED
/
Mic: 0
to
-36dB
Line: 0
to
-24dB
SET: Stores the setting
STORED
Current setting
Sensitiv 0 dB
Sensitiv
0 dB
Sensitiv
– 36 dB
Setting the input sensitivity
Selecting the channel
Current channel
Channel 1 Channel 6
/ :
1...6/8
SET: Stores the setting
SET
STORED
Channel 1
SET
SET,
ON
SET
SET,
ON
SET
SET,
ON
SET
SET,
ON
ON, SET
Current setting
Frequency
863.124
Frequency
863.124
Displaying the frequency
SET
EXIT

Overview of the operating menu

Pressing the ON button will cancel your entry in all menu modes.
22
Operating the SR 2020 D
Selection mode
Sensitiv
Phantom 48 V
Displaying the phantom power
Contrast
Adjusting the contrast
Lock Off
Activating/ deactivating the lock mode
Reset No
Loading the factory-preset default settings
SW-Version
1.0.0.0
Displaying the software version
Setting mode
SET
Phantom 48 V
SET,
Current setting
ON
SET
Contrast Contrast
SET,
Current setting
ON
STORED
SET
Lock:
Lock
On
Off
SET,
Current setting
ON
STORED
SET
Reset
No
Current setting
SET
CANCEL
SET
SW-Version
1.0.0.0
SET,
Current setting
ON
  /
:
SET: Stores the setting
SET
Lock
On
  /
SET: Stores the setting
SET
Reset
Yes
  /
SET: Stores the setting
SET
DONE
Exit
23

Cleaning the SR 2020 D

CAUTION!
Cleaning the SR 2020 D
Liquids can damage the electronics of the transmitter!
Liquids entering the housing of the device can cause a short-circuit and damage the electronics.
Keep all liquids away from the device.Do not use any solvents or cleansing agents.
Before cleaning, disconnect the device from the mains. Only use a soft and dry cloth to clean the device.

If a problem occurs....

Problem Possible cause Possible remedy
No operation indication on the transmitter
Audio signal is distorted
Occasional drop outs in the audio signal
No radio waves on the receiver display
No mains connection Check the mains unit and the connection to
the DC IN socket (see page 12)
Transmitter sensitivity is adjusted too high
Distance to the transmitter is too great
Interference of unknown origin Set the transmitter and receiver to a
Interference is being received from a second transmitter
Antenna is badly positioned Improve the position of the transmitting
No RF signal: transmitter and receiver are not on the same channel No RF signal: transmission range is exceeded
Change the sensitivity of the microphone input or line input (see page 19) Select the source of the input signal (see page 19) Reduce the distance to the transmitter
different channel (see page 17) Change the transmitters to different
channels (see page 17)
antenna Mount the antenna to the front of the rack Set the transmitter and receiver to the same channel (see page 17)
Reduce the distance between receiver and transmitter Improve the position of the transmitting antenna
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.
24

Accessories and spare parts

Accessories and spare parts
Only use original Sennheiser accessories and spare parts. Components from other manufacturers may impair the quality of the devices and/or damage them.
Cat. No. Product name and description
009823 GA 2 rack adapter 087244 NT 2-1-EU mains unit 087245 NT 2-1-UK mains unit 087246 NT 2-1-US mains unit 072817 Telescopic antenna 082875 Device feet (4 pieces) 500543 HDE 2020 D stethoset receiver 500544 HDE 2020 D-US stethoset receiver (US version) 004368 GA 3030-AM antenna mount (2 transmitters) 009912 AM 2 antenna mount for GA 2 rack adapter (1 transmitter) 009822 AC 2 active transmitter combiner for 4 transmitters 502048 AC 3200 active transmitter combiner for 8 transmitters 005060 ME 34 microphone 005063 ME 35 microphone 005065 ME 36 microphone
25

Specifications

Specifications
SR 2020 D transmitter
Modulation 2 FSK RF frequency range 863 – 865 MHz RF frequency range (US) 926 – 928 MHz Channels 6 for the Tourguide system,
switchable to 8 for conferences RF output power 10 mW (ERP) RF output power (US) max. 50 mV/m (distance 3 m) AF frequency response 100 Hz–7 kHz Input voltage range of the audio input Microphone: 1.6 mV
Line: 120 mV Headphone output ¼’’ (6.3 mm) jack socket Output power at headphone output max. 100 mW at 32 Ω Power supply 12 V DC (10.5 V–16 V) Current consumption at nominal voltage max. 300 mA Ambient temperature 0°C to 50 °C Humidity Dimensions approx. 212 x 145 x 38 mm Weight approx. 1100 g
95 %
–100 mV
rms
–2 V
rms
rms
rms
NT 2-1-EU/UK mains unit (Cat. No. 087244/087245)
Nominal input voltage 230V AC Mains frequency 50 Hz/60 Hz Max. power consumption 9 W Nominal output voltage 13V DC Nominal output current 300 mA Operating temperature range 0 °C to +40 °C
NT 2-1-US mains unit (Cat. No. 087246)
Nominal input voltage 120V AC Mains frequency 60 Hz Max. power consumption 9 W Nominal output voltage 13V DC Nominal output current 300 mA Operating temperature range 0°C to +40°C
26

Manufacturer Declaration s

0682
0682
The devices comply with the following European standards:
Radio: ETSI EN 301357-1/-2, Class 1 EMC: ETSI EN 301489-1/-9, EN 55103-1/-2
Safety: EN 60065, EN 61558
Frequency range 863 – 865 MHz, approved in: AT, BA, BE, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, TR, UA.
The SR 2020 D transmitter complies with the following US and Canadian standards:
USA: FCC-Part 15 C FCC ID: DMO SR 2020 D Canada: RSS-210 Issue 7 IC: 2099 A - SR 2020 D
Manufacturer Declarations
Warranty
Sennheiser GmbH & Co. KG gives a warranty of 24 months on this product. For the current warranty conditions, please visit our web site at www.sennheiser.com or contact your Sennheiser partner.
CE Declaration of Conformity
This equipment is in compliance with the essential requirements and other relevant provisions of Directives 1999/5/EC and 2006/95/EC. The declaration is available on the internet site at www.sennheiser.com.
Before putting the equipment into operation, please observe the respective country-specific regulations!
27
Manufacturer Declarations
Statements regarding FCC and industry Canada
This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communication s. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
Consult the dealer or an experie nced radio/TV technician for help. This class B digital apparatus complies with the Canadian ICES-003. Changes or modifications made to this equipment not expressly approved by Sennheiser
electronic Corp. may void the FCC authorization to operate this equipment. Before putting the device into operation, please observe the respective country-specific
regulations!
28

Index

Areas of application
Conferences Stationary guided tours
Cleaning Connection
If a problem occurs ....
Indications and displays
Installation
Operating menu
Suitable condenser microphones
24
of antennas of condenser microphones of external devices of headphones of microphones and external devices of the telescopic antenna to the mains
Channel display Lock mode icon Mic/Line level display Signal source
in a rack on an even surface
Activating/deactivating the lock mode Adjusting the contrast Adjusting the input sensitivity Changing the channel mode Changing the settings Displaying the frequency Displaying the phantom power Displaying the version number of the software Exiting the operating menu Getting into the operating menu Loading the factory-preset default settings Overview of the operating menu Selecting the input signal Setting a channel Storing the settings Working with the operating menu
5
5
10
13
12
13
9
12
24
8
8
8
8
10
9
20
19
18
15
17
20
16
14 22
19
17
15
14
6
Index
6
20
21
21
29
Sennheiser electronic GmbH & Co. KG Printed in Germany Am Labor 1, 30900 Wedemark, Germany Publ. 08/08 www.sennheiser.com 524167/A02
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