Sennheiser W300 IEM, SR350 IEM User Manual
W
300 IEM
Instructions for use
SR
350 IEM
Contents
Important safety instructions ....................................................................................... 2
The ew 300 IEM G2 systems .......................................................................................... 4
The channel bank system ............................................................................................. 5
Delivery includes ................................................................................................................ 5
Overview of operating controls .................................................................................... 6
Stereo transmitter – front view (SR 350 IEM G2 twin transmitter) .................... 6
Stereo transmitter – rear view .................................................................................... 7
EK 300 IEM G2 stereo receiver ..................................................................................... 8
Indications and displays on the transmitter ............................................................. 9
Indications and displays on the receiver ................................................................... 9
Preparing the devices for use ....................................................................................... 11
SR 300 IEM G2 transmitter/
SR 350 IEM G2 twin transmitter .................................................................................. 11
Changing the transmission power (SR 350 IEM G2 only) ....................................... 15
EK 300 IEM G2 receiver .................................................................................................. 17
Using the components ..................................................................................................... 18
Switching the components on/off .............................................................................. 18
Adjusting the volume .................................................................................................... 19
Adjusting the balance .................................................................................................... 19
Activating/deactivating the lock mode ..................................................................... 19
Attaching the receiver to clothing .............................................................................. 19
The operating menu ......................................................................................................... 20
The buttons ..................................................................................................................... 20
Overview of menus ......................................................................................................... 21
Working with the operating menu ............................................................................. 21
Operating menu of the stereo transmitter ................................................................ 23
Operating menu of the stereo receiver ...................................................................... 25
Adjustment tips for the operating menu ................................................................. 28
Switching between channel banks ............................................................................. 28
Switching between the channels in a channel bank ............................................... 28
Selecting the frequencies to be stored
in the channel bank “U” ................................................................................................ 28
Scanning the channel banks for free channels
(receiver only) ................................................................................................................. 28
Multi-channel operation ................................................................................................ 29
Adjusting the squelch threshold (receiver only) ...................................................... 29
Stereo/FOCUS selection (receiver only) ..................................................................... 30
Limiting the volume at the headphone output
(receiver only) ................................................................................................................. 30
Activating/deactivating the frequency boost
(receiver only) ................................................................................................................. 30
Adjusting the sensitivity (transmitter only) ............................................................ 30
Selecting the standard display .................................................................................... 31
Entering names ............................................................................................................... 32
Loading the factory-preset default settings ............................................................. 32
Activating/deactivating the pilot tone evaluation (receiver only) ...................... 32
Adjusting the contrast of the graphic display (transmitter only) ....................... 32
Stereo/mono selection (transmitter only) ................................................................ 33
Activating/deactivating the lock mode ..................................................................... 33
Exiting the operating menu .......................................................................................... 33
If a problem occurs ... ....................................................................................................... 34
Error checklist .................................................................................................................. 34
Recommendations and tips .......................................................................................... 35
Care and maintenance ..................................................................................................... 35
Additional information .................................................................................................... 36
HDX noise reduction ....................................................................................................... 36
Wireless transmission systems ................................................................................... 36
Squelch ............................................................................................................................. 37
Specifications ...................................................................................................................... 38
Connector assignment ................................................................................................... 39
Accessories and spare parts .......................................................................................... 40
Manufacturer Declarations ............................................................................................ 41
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.
1
Important safety instructions
1. Read these instructions.
2. Keep these instructions. Always include these instructions when passing
the devices on to third parties.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use the devices near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with these
instructions.
8. Do not install near any heat sources such as radiators, heat registers,
stoves, or other devices (including amplifiers) that produce heat.
9. The devices should be operated only from the type of power source
indicated on the mains plug. The devices must only be connected to
properly grounded power outlets.
10. Protect the mains cable from being walked on or pinched, particularly at
plugs, convenience receptacles, and the point where they exit from the
device.
11. Only use attachments/accessories specified by Sennheiser.
12. Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the device. When a cart is used, use caution
when moving the cart/apparatus combination to avoid injury from tipover.
13. Unplug the devices during lightning storms or when unused for long
periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required if the device has been damaged in any way, such as
mains cable or plug damage, 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.
15. To completely disconnect the devices from the AC mains, disconnect the
mains plug from the AC receptacle.
16. WARNING: To reduce the risk of fire or electric shock, do not expose the
devices to rain or moisture.
17. Do not expose the devices to dripping or splashing and ensure that no
objects filled with liquids, such as vases or coffee cups, are placed on the
devices.
18. The plug of the mains cable shall remain readily operable and easily
accessible.
2
Hazard warnings on the rear of the transmitter (SR 350 IEM G2 only)
The label shown on the left is attached to the rear of the transmitter. 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 transmitter’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
transmitter 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
transmitter.
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.
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 due to high volumes
This is a professional transmission system. 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 system 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:
y You can hear ringing or whistling sounds in your ears.
y You have the impression (even for a short time only) that you can no longer
hear high notes.
Reception interference due to high transmission power
The SR 350 IEM G2 twin transmitter can be switched to a transmission power
of 100mW. Depending on the selected frequency, this can affect the
reception of other wireless systems.
3
Intended use of the devices
Intended use of the ew 300 IEM G2 series devices includes:
y using the devices for professional purposes,
y having read these instructions especially the chapter “Important safety
instructions” on page 2,
y using the devices within the operating conditions and limitations described
in this instruction manual.
“Improper use” means using the devices other than as described in these
instructions, or under operating conditions which differ from those described
herein.
The ew 300 IEM G2 systems
With the Sennheiser evolution wireless in-ear monitoring systems
ew 300 IEM G2 (suitable for both stage and broadcast use), musicians, video
and sound amateurs, reporters/broadcasters, etc. can directly monitor the
received sound signals without troublesome cables or monitor speakers
being required. In addition, the system can also be used for any application
where talkback signals are to be transmitted.
The evolution wireless in-ear monitoring systems ew 300 IEM G2 are highquality state-of-the-art RF transmission systems with a high level of
operational reliability and ease of use. The transmitters and the receiver
permit wireless transmission with studio-quality sound. The excellent
transmission reliability of the ew 300 IEM G2 systems is based on the use of
y further optimized PLL synthesizer and microprocessor technology,
y the HDX noise reduction system,
y the pilot tone squelch control (during stereo operation),
y and the scan function for scanning the channel banks for free channels.
The ew 300 IEM series offers two systems:
y the ew 300 IEM G2 system
(SR 300 IEM G2 stereo transmitter, EK 300 IEM G2 stereo receiver)
y and the SR 350 IEM G2 twin transmitter
The EK 300 IEM G2 can also be used with the SR 350 IEM G2 twin transmitter.
The SR 350 IEM G2 twin transmitter consists of two complete SR 300 IEM G2
stereo transmitters, but offers some advantages such as
y easy rack mounting,
y a built-in mains unit
y and a switchable transmission power for optimum operational reliability
under varying transmission conditions.
4
The channel bank system
The ew 300 IEM G2 systems are available in six UHF frequency ranges with 1440 transmission/receiving frequencies
per frequency range. Please note: Frequency usage is different for each country. Your Sennheiser agent will have all
the necessary details on the available legal frequencies for your area:
Range A: 518 to 554 MHz
Range B: 626 to 662 MHz
Range C: 740 to 776 MHz
The transmitters and the receiver of the ew 300 IEM G2 systems have nine channel banks with up to 12 switchable
channels each.
Channel 1
Range D: 786 to 822 MHz
Range E: 830 to 866 MHz
Range G: 572 to 608 MHz
Factory-preset frequency
Bank
Bank
1...8
Channel 2
Channel 12
Channel 1
Channel 2
U
Channel 12
Factory-preset frequency
Factory-preset frequency
selectable frequency
selectable frequency
selectable
frequency
The channel banks “1” to “8” have up to 12 switchable channels that are factory-preset to a transmission/receiving
frequency (see enclosed frequency table). These transmission/receiving frequencies cannot be changed but have
been preset so that e.g. country-specific regulations on frequency usage are taken into account (see “Type
approvals” on page 39). For detailed information, please refer to the enclosed frequency data sheets and to the
country-specific frequency and transmission power overviews.
An advantage of the factory-preset frequencies is that
y the system is ready for immediate use after switch-on,
y several transmission systems can be operated simultaneously on the preset channels without causing
intermodulation interference.
Delivery includes
Depending on the purchased system, delivery includes:
ew 300 IEM G2 system SR 350 IEM G2
y 1 EK 300 IEM G2 stereo receiver
y 1 SR 300 IEM G2 stereo transmitter
y 2 batteries
y 1 telescopic antenna for SR 300 IEM G2
y 1 NT 2-1 mains unit
y 1 pair of IE 4 earphones
y Instructions for use
y 1 frequency data sheet
y Frequency and transmission power overviews
y 1 SR 350 IEM G2 stereo twin transmitter
y 2 telescopic antennas for SR 350 IEM G2
y 1 mains cable
y Instructions for use
y 1 frequency data sheet
y Frequency and transmission power overviews
5
Overview of operating controls
Stereo transmitter – front view (SR 350 IEM G2 twin transmitter)
Operating controls
Rack mount “ears”
(preinstalled with the SR 350 IEM G2 only)
Headphone output (PHONES),
¼” (6.3 mm) jack socket
Headphone volume control (VOL)
Graphic display, backlit
/ rocker button, backlit
SET button, backlit
ON button, backlit
(serves as the ESC (cancel) key in the
operating menu)
Graphic display panel
Display for the current channel bank “1...8, U”
Display for the current channel number “1 ... 12”
“B.CH“ – abbreviation for channel bank and
channel number
Alphanumeric display
“MHz“ – appears when the frequency is displayed
Level display for audio signal “AF I” (left and MONO),
with “PEAK” warning
Level display for audio signal “AF II” (right),
with “PEAK” warning
Lock mode icon
(lock mode is activated)
Note:
For further illustrations and examples of the different
standard displays, see “Selecting the standard display” on
page 31.
6
Stereo transmitter – rear view
Operating controls on the SR 350 IEM G2 twin transmitter
3-pin IEC mains socket
Cable grip for power supply DC cable
Label with hazard warnings
Type plate
Service interface;
connection to the NET 1 network system
Audio input (AF IN BAL/UNBAL), XLR-3F socket (left and MONO)
Audio input (AF IN BAL/UNBAL), XLR-3F socket (right)
Antenna output (ANT A/B), BNC socket
Transmission power switch (RF POWER)
Operating controls on the SR 300 IEM G2 transmitter
DC socket for connection of mains unit (DC IN)
Cable grip for power supply DC cable
Type plate
Service interface (DATA)
Audio input (AF IN BAL/UNBAL), XLR-3F socket (left and MONO)
Audio input (AF IN BAL/UNBAL), XLR-3F socket (right)
Antenna output (ANT), BNC socket
7
EK 300 IEM G2 stereo receiver
Operating controls LC display panel
Headphone output (PHONES), 3.5 mm jack socket
Antenna
Red LED for operation and
battery status indication (ON/LOW BAT)
Green LED for RF signal indication (RF)
Charging contacts
SET button
/ rocker button (DOWN/UP)
Battery compartment
Battery compartment cover
Battery compartment release button
ESC button
LC display
On/off/volume control
Alphanumeric display
“B.CH“ – appears when the channel bank and
the channel number are displayed
“MHz“ – appears when the frequency is displayed
4-step battery status display
Lock mode icon
(lock mode is activated)
“PILOT” display
(pilot tone evaluation is activated)
“MUTE” display
(audio output is muted)
7-step level display for received audio signal “AF”
7-step level display for received RF signal “RF”
8
Indications and displays on the transmitter
Modulation display
The level display for audio signal “AF” shows the modulation of the
transmitter.
When the transmitter’s audio input level is excessively high, the level display
for audio signal “AF” shows full deflection.
When the transmitter is overmodulated frequently or for an extended period
of time, the text “PEAK” (backlit in red) flashes in alternation with the
standard display.
Button backlighting
During standby operation, the ON button is backlit in red. When the
transmitter is switched on, the SET button and the / button ! are
additionally backlit in green.
Indications and displays on the receiver
Operation and battery status indication
The red LED (LOW BAT/ON) provides information on the current operating
state of the receiver:
Red LED lit up: The receiver is switched on and the capacity of the
batteries/BA 2015 accupack is sufficient.
Red LED flashing: The batteries are/the BA 2015 accupack is going flat
In addition, the 4-step battery status display on the display panel provides
information on the remaining battery/BA 2015 accupack capacity:
3 segments: capacity approx. 100 %
2 segments: capacity approx. 70 %
1 segment: capacity approx. 30 %
Battery icon flashing: LOW BAT
Modulation display of the received transmitter
The level display for audio signal “AF” shows the modulation of the received
transmitter.
(LOW BAT)!
When the transmitter’s audio input level is excessively high (AF peak), the
receiver’s level display for audio signal “AF” shows full deflection.
9
“MUTE” display
The “MUTE” display appears on the display panel when the RF signal of the
received transmitter is too weak.
“PILOT” display
The “PILOT” display appears on the display panel when the pilot tone
evaluation is activated (see “Activating/deactivating the pilot tone
evaluation (receiver only)” on page 32).
RF signal indication
The green LED (RF) ! at the front of the receiver lights up when an RF signal
is being received.
However, the green LED (RF) does not light up when the audio output is
muted because
y the RF signal of the received transmitter is too weak,
y the transmitter is set to mono operation and the receiver’s pilot tone
evaluation is deactivated.
Display backlighting
After pressing a button, the display remains backlit for approx. 15 seconds.
10
Preparing the devices for use
SR 300 IEM G2 transmitter/ SR 350 IEM G2 twin transmitter
Fitting the device feet
To ensure that the transmitter cannot slip on the surface on which it is placed,
four self-adhesive soft rubber feet are supplied.
Note:
Do not fit the rubber feet when rack mounting the transmitter.
CAUTION! 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 off the safety
paper and fitting them as shown in the digram on the left.
Rack mounting
CAUTION! 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 within the rack may significantly rise above room
temperature.
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 or 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 power supply, observe
the information indicated on the type plate. Avoid circuit
overloading. If necessary, provide overcurrent protection.
Ensure a reliable mains ground connection of the device by
taking appropriate measures.
When installing the device in a closed or multi-rack
assembly, please note that intrinsically harmless leakage
currents of the individual devices may accumulate, thereby
exceeding the allowable limit value. As a remedy, ground the
rack via an additional ground connection.
11
Rack mounting the SR 350 IEM G2
twin transmitter
The rack mount “ears” are already fitted to the twin transmitter on delivery.
To mount the twin transmitter into a 19’’ rack:
Slide the twin receiver into the 19’’ rack.
Secure the rack mount “ears” to the rack using four screws (not included).
Rack mounting the SR 300 IEM G2
transmitter
For mounting one or two transmitters into a 19” rack, you require the GA 2
rack adapter. The GA 2 rack adapter consists of:
y 2 rack mount “ears”
y 1 blanking plate
y 1 jointing plate
y 2 blanking plugs for closing off unused BNC holes
y 12 recessed head screws M 3x6
y 2 recessed head screws M 6x10
To mount two transmitters side by side into a rack:
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.
Slide the transmitters into the 19” rack.
Secure the rack mount “ears” to the rack.
12
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