Sennheiser Electronic SET840 User Manual
Contents
Contents
Safety instructions .................................................................... 2
Delivery includes ....................................................................... 4
Product overview ...................................................................... 5
Putting the Set 840 S system into operation ......................... 6
Setting up the transmitter ................................................... 6
Connecting the transmitter to a sound source ................... 7
Connecting the transmitter to the mains .......................... 11
Connecting the induction loop or headphones
for hearing aids to the receiver
Wearing the receiver .......................................................... 13
Using the Set 840 S system .................................................... 15
Switching the transmitter on/off ...................................... 15
Switching the receiver on/off ............................................ 16
Adjusting the volume ......................................................... 16
Searching for a sound source ............................................. 17
Changing the transmission channel .................................. 17
Adjusting the balance ........................................................ 18
Switching between mono and stereo operation ............... 18
Individually enhancing the speech intelligibility .............. 19
Storing and charging the receiver ..................................... 20
Charging a rechargeable battery in the transmitter’s
charging compartment
What if ... .................................................................................. 22
... this indicator lights up? .................................................. 22
... you press this button? .................................................... 23
... you change the position of this control/switch? ........... 23
... you hear acoustic signals or warning signals? .............. 24
Cleaning the Set 840 S system ............................................... 25
Cleaning the transmitter and the receiver ........................ 25
If a problem occurs ... .............................................................. 26
Additional technical information ........................................... 28
Accessories and spare parts ................................................... 30
Specifications ........................................................................... 32
Manufacturer Declarations ..................................................... 34
Index ......................................................................................... 36
....................................................... 21
.......................................... 12
1
Safety instructions
Safety instructions
• Please read this instruction manual carefully and completely before
using the products.
• Make this instruction manual easily accessible to all users at all
times. Always include this instruction manual when passing the
products on to third parties.
• Do not use the products in situations which require special attention (e.g. when performing skilled jobs).
• Always keep the products dry and do not expose them to extreme
temperatures.
• Use the products with care and set them up in a clean, dust-free
environment.
• Varnish or furniture polish may degrade the feet of the transmitter,
which could stain your furniture. You should therefore place
the transmitter on a non-slip pad to avoid potential staining of
furniture.
• This receiver allows you to set higher volumes than conventional
receivers to which headphones can be connected. This can cause
hearing damage in persons with healthy hearing and especially in
children.
• Refer all servicing to qualified service personnel. Servicing is
required if the products have been damaged in any way, liquid has
been spilled, objects have fallen inside, the products have been
exposed to rain or moisture, do not operate properly or have been
dropped.
• WARNING: To reduce the risk of fire or electric shock, do not expose
the products to rain or moisture.
• Use only the supplied mains unit.
• Disconnect the mains connector from the wall socket
– to completely disconnect the products from the mains,
– during lightning storms or when unused for long periods of time.
• Ensure that the mains unit is
– always readily operable and easily accessible,
– properly plugged into the wall socket,
– not covered or exposed to direct sunlight for longer periods of
time in order to prevent heat accumulation,
– only operated within the permissible temperature range (see
“Specifications” on page 32),
– not operated near heat sources.
2
Safety instructions
Intended use
Intended use includes
• having read this instruction manual, especially the chapter “Safety
instructions” on page 2,
• using the products within the operating conditions and limitations
described in this instruction manual.
“Improper use” means using the products other than as described in
this instruction manual, or under operating conditions which differ
from those described herein.
Safety instructions for the Lithium-Polymer rechargeable battery
The BA 300 is a Lithium-Polymer rechargeable battery. If abused or
misused, this rechargeable battery may be damaged. Please understand that Sennheiser does not accept liability for damage arising from
abuse or misuse.
WARNING! In extreme cases, the rechargeable battery may even
present a
•heat hazard,
•fire hazard,
•explosion hazard,
•smoke and gas hazard.
Only charge rechargeable
batteries with the appropriate Sennheiser char-
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.
gers.
Return defective
devices or exhausted
rechargeable batteries to
your specialist dealer.
When not using the
rechargeable battery for
extended periods of time,
charge it regularly (every
6 months for about 1 hour).
Do not short-circuit. Only charge rechargeable
batteries at ambient
temperatures between
10°C/50°F and 40°C/104°F.
Do not mutilate or
dismantle.
Do not charge the rechargeable battery if the device is
obviously defective.
Store the devices/
Do not expose to moisture.
rechargeable batteries in
a cool and dry place at
room temperature.
3
Delivery includes
Delivery includes
The Set 840 S system is available as an EU and a US version.
The following table shows which items are included with
the respective version.
Components of the Set 840 S system EU US
1 RR 840 S receiver with BA 300
Lithium-Polymer rechargeable battery
1 TR 840 transmitter with integrated
charging compartments
1 NT 13 mains unit with
2 country adapters (EU, UK)
1 country adapter (US)
1 connection cable
with two 3.5 mm stereo jack plugs
for connection to a headphone socket
1 audio adapter
(3.5 mm to ¼” (6.3 mm) jack plug)
1 audio adapter for RCA socket
(e.g. TB/Aux-Out)
1 audio adapter for SCART socket
1 MKE 800 TV-N microphone
1 EZT 3011 induction loop
1 lanyard
1 clip for attaching the receiver
1 instruction manual
1 installation manual
4
Product overview
I
II
Product overview
The overview pictures of the receiver and the transmitter
can be found on the inside front cover of this instruction
manual.
Receiver
1 Channel indicator
2 Volume control
3 On/off button
4 Balance control
5 Socket for headphones, induction loop or
connection cable to hearing aid
6 Channel search button
7 Battery compartment
R Induction loop
Transmitter
8 Charging compartment for receiver
9 Charging compartment for optional spare
rechargeable battery
0 Charging indicator for optional spare
rechargeable battery
A Charging indicator for receiver’s rechargeable
battery
B Operation indicator
C “Speech intelligibility” button
D Indicator for the selected speech intelligibility
E Socket (marked blue) for connection of sound
source or external microphone
F ST/MO slide switch (stereo/mono)
G Treble adjustment control
H Channel selector switch
I DC socket (marked yellow) for connection of
mains unit
5
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