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Tourguide Wireless Transmitter
SR 2020 D
Instruction manual


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1
Contents
Contents
Important safety instructions ............................................................................................................ 2
Delivery includes .................................................................................................................................... 4
System components ............................................................................................................................. 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.... .........................................................................................................................24
Accessories and spare parts ..............................................................................................................25
Specifications .......................................................................................................................................26
Manufacturer Declarations ...............................................................................................................27
Index .......................................................................................................................................................29
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.


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2
Important safety instructions
Important safety instructions
·
Read this instruction manual.
·
Keep this instruction manual. Always include 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.


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3
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 result 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:
using the device for professional purposes,
having read these instructions especially the chapter "Important safety instructions" on
page 2,
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.