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Instruction manual
Istruzioni per l'uso
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Notice d'emploi
Gebruiksaanwijzing
Bedienungsanleitung
EM 3732-II Command
EM 3732-II
EM 3731-II
Instruction manual


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1
Contents
Contents
Important safety instructions .................................................................... 2
The product family ........................................................................................ 5
The frequency bank system ..................................................................... 6
Delivery includes ........................................................................................... 7
Product overview .......................................................................................... 8
Overview of the EM 3731-II/EM 3732-II/EM 3732-II COM receivers. 8
Overview of the displays .......................................................................... 9
Reception display ..................................................................................... 10
Status display ........................................................................................... 11
Putting the receiver into operation ........................................................ 13
Fitting the device feet ............................................................................. 13
Rack mounting .......................................................................................... 13
Connecting the antennas ....................................................................... 14
Daisy chaining receivers ......................................................................... 16
Connecting the receiver to the mains/
disconnecting the receiver from the mains ........................................ 17
Connecting the amplifier/mixing console ........................................... 17
Connecting devices with AES3 digital input ....................................... 18
Connecting an external word clock generator .................................... 18
Connecting the receivers to a PC via Ethernet ................................... 19
Using the receiver ....................................................................................... 20
Switching the receiver on/off ................................................................ 20
Connecting the headphones/adjusting the volume ......................... 20
Deactivating the lock mode ................................................................... 21
Synchronizing a transmitter with the receiver frequency ............... 21
Identifying receivers using the "Wireless Systems Manager"
software (identifying function) ............................................................ 22
Sorting channels using the "Wireless Systems Manager"
software ..................................................................................................... 23
Using the operating menu ........................................................................ 24
Overview of the operating menu .......................................................... 24
Working with the operating menu ....................................................... 25
Overview of the menus ............................................................................ 26
Adjustment tips for the operating menu .............................................. 30
Cleaning the receiver .................................................................................. 41
Additional information .............................................................................. 42
HiDyn plusTM (HDP) noise reduction ..................................................... 42
Squelch ....................................................................................................... 42
Diversity reception ................................................................................... 43
If a problem occurs ...................................................................................... 44
Accessories ................................................................................................... 45
Specifications ............................................................................................... 46
Manufacturer Declarations ....................................................................... 48


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Important safety instructions
2
Important safety instructions
1. Read these instructions.
2. Keep these instructions. Always include these instructions when
passing the receiver on to third parties.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the
manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type
plug. A polarized plug has two blades with one wider than the other. A
grounding type plug has two blades and a third grounding prong. The
wide blade or the third prong are provided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly
at plugs, convenience receptacles, and the point where they exit from
the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury
from tip-over.
13. Unplug this apparatus during lightning storms or when unused for
long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been damaged in any
way, such as power supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, when the apparatus
has been exposed to rain or moisture, does not operate normally, or
has been dropped.
15. To completely disconnect this apparatus from the AC mains,
disconnect the power supply cord plug from the AC receptacle.
16. WARNING: To reduce the risk of fire or electric shock, do not expose this
apparatus to rain or moisture.
17. Do not expose this equipment to dripping or splashing and ensure that
no objects filled with liquids, such as vases, are placed on the
equipment.
18. The mains plug of the power supply cord shall remain readily operable.


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3
Important safety instructions
Hazard warnings on the rear of the receiver
The label shown on the left is attached to the rear of the receiver. The
symbols on this label have the following meaning:
This symbol is intended to alert the user to the presence of uninsulated
dangerous voltage within the receiver's enclosure that may be of sufficient
magnitude to constitute risk of fire or electric shock.
This symbol is intended to alert the user to the risk of electric shock if the
receiver is opened. There are no user serviceable parts inside. Refer
servicing to qualified personnel only.
This symbol is intended to alert the user to the presence of important
operating and maintenance instructions in the literature accompanying
this receiver.
Overloading
Do not overload wall outlets and extension cords as this may result in fire
and electric shock.
Safety check
Upon completion of any service or repairs to this device, ask the service
technician to perform safety checks to determine that the device is in safe
operating order.
Danger of hearing damage due to high volumes
This is a professional receiver. 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 receiver 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.


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Important safety instructions
4
Intended use of the receiver
Intended use of the EM 3731-II single receiver or the EM 3732-II and
EM 3732-II COM twin receivers includes:
·
having read these instructions, especially the chapter "Important
safety instructions" on page 2,
·
using the receiver within the operating conditions and limitations
described in this instruction manual.
"Improper use" means using the receiver other than as described in these
instructions, or under operating conditions which differ from those
described herein.