Never open electronic units! If units are opened by customers in breach of this
instruction, the warranty becomes null and void.
Keep the units away from central heating radiators and electric heaters.
Never expose them to direct sunlight.
Use the units in dry rooms only.
Use a damp cloth for cleaning the units. Do not use any cleansing agents or
solvents.
Thank you for choosing Sennheiser!
We have designed this product to give you reliable operation over many
years. Over half a century 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.
With the evolution wireless series ew 100 G2, Sennheiser offers musicians,
video and sound amateurs high-quality state-of-the-art RF transmission systems with a high level of operational reliability and ease of use. Transmitters
and receivers permit wireless transmission with studio-quality sound. The
excellent transmission reliability of the ew 100 G2 series 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,
y the true diversity technology (rack-mount receiver only)
y and the scan function for scanning the channel banks for free channels.
The channel bank system
The ew 100 G2 systems are available in five 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
Range D:786 to 822 MHz
Range E:830 to 866 MHz
Transmitters and receivers have nine channel banks with four switchable
channels each.
channel bank 1...8
channel bank U
channel 1
channel 2
channel 3
channel 4
channel 1
channel 2
channel 3
channel 4
preset frequency
preset frequency
preset frequency
preset frequency
freely selectable frequency
freely selectable frequency
freely selectable frequency
freely selectable frequency
The channel banks “1” to “8” have four switchable channels that are factorypreset 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. The channel bank “U” (user bank) has four switchable channels
to store your selection out of 1440 transmission/receiving frequencies that
are freely selectable within the preset frequency range.
An advantage of the factory-preset frequencies is that
y the systems are ready for immediate use after switch-on,
y several systems can be operated simultaneously on the preset channels
without causing intermodulation interference.
4
Page 5
System variants
y
y
p
p
li
i
h
h
d
i
li
i
h
Areas of application
SystemAreas of application
EM 100 G2
SKM 100 G2
ME 4
ME 3 headmic
Delivery includes
SKP 100 G2
ME 2
EK 100 G2
SK 100 G2
/
w 112
/
w 122
/
w 152
/
w 172
/
w 135
/
w 145
/
w 165
w 100-ENG
w 112-p
w 122-p
w 135-p
/
/
/
/
Theater, presentation (omni-directional)
Theater, presentation (high feedback
rejection)
Sports (aerobic), vocals
Instruments
Speech, vocals
Vocals (high feedback rejection)
Vocals, presentation (high feedback rejection)
Versatile system,
camera-mounted applications
Presentation, camera-mounted applications
Noisy environments,
camera-mounted applications
Speech, vocals, camera-mounted applications
System
/
w 112
/
w 122
/
w 152
/
w 172
/
w 135
/
w 145
/
w 165
w 100-ENG
w 112-p
w 122-p
w 135-p
/
/
/
EM 100 G2
EK 100 G2
SK 100 G2
SKP 100 G2
er-cardioid)
namic, cardioid)
SKM 100 G2 with
MD 835 mic head
(d
namic, su
SKM 100 G2 with
MD 845 mic head
(d
one
er-cardioid)
crop
p-on m
SKM 100 G2 with
ME 865 mic head
(condenser, omni)
(condenser, su
ME 2 c
c
m
ea
ME 3
one
crop
p-on m
Batteries
Line output cable with
ack plug
NT 2-1 mains unit
(condenser, cardioid)
(condenser, super-cardioid)
ME 4 c
Line output cable with
XLR-3 connector
2 telescopic antennas
Camera kit
Microphone clamp
Instrument cable
Instructions for use
XXXX2XX
XXXX2XX
XXX x2XX
XXX2XXX
XXX2XXX
XXX2XXX
XXX2XXX
/
XXXX6 X XXX
XXX4 X XXX
XXX4 X XXX
XX4XxXXX
5
Page 6
Overview of operating controls
EM 100 G2 rack-mount receiver
Operating controlsLC display panel
LC display
button (UP)
button (DOWN)
SET button
POWER button
(serves as the ESC (cancel) key in the
operating menu)
Cable grip for power supply DC cable
DC socket for connection of mains unit (DC IN)
Audio output (AF OUT BAL),
XLR-3M socket, balanced
Audio output (AF OUT UNBAL),
¼” (6.3 mm) jack socket, unbalanced
Service interface (DATA)
Antenna input II (ANT II), BNC socket
Type plate
Antenna input I (ANT I), BNC socket
Display for the current channel bank “1 ... 8, U”
Display for the current channel number “1 ... 4”
“B.CH“ – abbreviation for channel B
annel number
CH
Alphanumeric display
“MHz“ – appears when the frequency is displayed
Transmitter low battery icon
(LOW BAT warning)
Lock mode icon
(lock mode is activated)
8-step level display for received RF signal “RF”
8-step level display for received audio signal “AF”,
with “PEAK“ warning
“PILOT” display
(pilot tone evaluation is activated)
Diversity display
(antenna I or antenna II active)
“MUTE” display
(audio output is muted)
ank and
6
Page 7
EK 100 G2 bodypack receiver
Operating controlsLC display panel
Audio output (AF OUT), 3.5 mm jack socket
(unbalanced)
Antenna
Red LED for operation and
battery status indication (ON/LOW BAT)
Green LED for RF signal indication (RF)
SET button
/rocker button (DOWN/UP)
Battery compartment
Battery compartment cover
Unlocking button
ON/OFF button
(serves as the ESC (cancel) key in the
operating menu)
LC display
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”
7
Page 8
SK 100 G2 bodypack transmitter
Operating controlsLC display panel
Microphone/line input (MIC/LINE),
3.5 mm jack socket
Antenna
Red LED for operation and
battery status indication (ON/LOW BAT)
Yellow LED for audio peak (AF PEAK)
SET button
/rocker button (DOWN/UP)
Battery compartment
Battery compartment cover
Unlocking button
ON/OFF button
(serves as the ESC (cancel) key in the
operating menu)
LC display
MUTE switch
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 transmission is activated)
“MUTE” display
(audio input is muted)
7-step level display for audio signal “AF”
8
Page 9
SKP 100 G2 plug-on transmitter
Operating controlsLC display panel
Microphone input, XLR-3F socket (unbalanced)
Mechanical locking ring of XLR-3 socket
LC display
SET button
button (DOWN)
button (UP)
Red LED for operation and
battery status indication (ON/LOW BAT)
ON/OFF button
(serves as the ESC (cancel) key in the
operating menu)
Battery compartment cover
MUTE switch
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 transmission is activated)
“MUTE” display
(audio input is muted)
7-step level display for audio signal “AF”
9
Page 10
SKM 100 G2 radiomicrophone
Operating controlsLC display panel
Sound inlet basket
Color-coded identification ring for
microphone heads
green: MD 835 microphone head
blue: MD 845 microphone head
red: ME 865 microphone head
Body of radiomicrophone
Battery compartment (not visible from outside)
Display section
LC display
Turnable protective cap for operating controls
(shown removed)
The following operating controls become acces-
sible in turn by turning the protective cap:
Alphanumeric display
“B.CH“ – appears when the channel bank and
“MHz“ – appears when the frequency is displayed
4-step battery status display
Lock mode icon
“PILOT” display
“MUTE” display
7-step level display for audio signal “AF”
the channel number are displayed
(lock mode is activated)
(pilot tone transmission is activated)
(audio input is muted)
SET button
button (DOWN)
button (UP)
Red LED for operation and
battery status indication (ON/LOW BAT)
ON/OFF button
(serves as the ESC (cancel) key in the
operating menu)
MUTE switch
10
Page 11
Indications and displays on the receivers
Operation and battery status indication (EK 100 G2 only)
The red LED (LOW BAT/ON) provides information on the current operating
state of the EK 100 G2:
Red LED lit up: The receiver is switched on and the capacity of the bat-
teries/accupack BA 2015 is sufficient.
Red LED flashing:The batteries are/the accupack BA 2015 is going flat
(LOW BAT)!
In addition, the 4-step battery status display on the display panel provides
information on the remaining battery/accupack BA 2015 capacity:
Transmitter battery status indication (EM 100 G2 only)
EM 100 G2
EK 100 G2
When the capacity of the transmitter batteries/accupack is so low that the
batteries/accupack must soon be replaced (LOW BAT), the transmitter transmits information on its remaining battery/accupack capacity to the
EM 100 G2 receiver and the transmitter low battery icon starts flashing on
the receiver display panel.
“MUTE” display
The “MUTE” display or appears when
y the RF signal of the received transmitter is too weak,
y the received transmitter has been muted (with the pilot tone transmission
or evaluation activated).
RF signal indication (EK 100 G2 only)
The green LED (RF) at the front of the EK 100 G2 lights up when an RF sig-
nal is being received.
11
Page 12
EM 100 G2
Modulation display of the receiving transmitter
The level display for audio signal “AF” shows the modulation of the transmitter.
When the transmitter’s audio input level is excessively high (AF peak), the
receiver’s level display for audio signal “AF” shows full deflection.
EK 100 G2
“PILOT” display
The “PILOT” display or lights up when the pilot tone evaluation is activated (see: „Activating/deactivating the pilot tone transmission or pilot tone
evaluation“ on page 35).
EM 100 G2
EK100G2
EK 100 G2
Diversity display (EM 100 G2 only)
The EM 100 G2 receiver operates on the true diversity principle (see: „Diversity reception“ on page 41).
The diversity display indicates whether diversity section I (i.e. antenna 1)
or diversity section II (i.e. antenna 2) is active.
Display backlighting (EK 100 G2 only)
After pressing a button, the display remains backlit for approx. 15 seconds.
12
Page 13
Indications and displays on the transmitters
Operation and battery status indication
The red LED (LOW BAT/ON) provides information on the current operating
state of the transmitter:
Red LED lit up: The transmitter is switched on and the capacity of the
batteries/accupack BA 2015 is sufficient.
Red LED flashing:
In addition, the 4-step battery status display on the display panel provides
information on the remaining battery/accupack BA 2015 capacity:
The “MUTE” display appears on the display panel when the transmitter is
muted (see: „Muting the transmitters“ on page 23).
Modulation display
The level display for audio signal (AF) shows the modulation of the transmitter.
The batteries are/the accupack BA 2015 is going flat (LOW
BAT)!
AF peak indication (SK 100 G2 only)
The yellow LED (AF PEAK) at the front of the SK 100 G2 lights up when the
audio input level is excessively high (AF peak) and overmodulates the transmitter. At the same time, the 7-step level display for audio signal “AF” shows
full deflection for the duration of the overmodulation.
“PILOT” display
The “PILOT” display lights up when the transmitter display panel if the
pilot tone transmission is activated (see: „Activating/deactivating the pilot
tone transmission or pilot tone evaluation“ on page 35).
Display backlighting (SK 100 G2 only)
After pressing a button, the display remains backlit for approx. 15 seconds.
13
Page 14
Preparing the components for use
EM 100 G2 rack-mount receiver
Mounting the receiver feet
To ensure that the receiver cannot slip on the surface on which it is placed,
four self-adhesive soft rubber feet are supplied.
Ensure that the base of the receiver is clean before mounting the rubber
feet.
Fix the rubber feet to the base of the receiver by peeling of the safety
paper and fitting them as shown in the digram on the left.
Attention!
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.
Connecting the antennas
The supplied telescopic antennas can be mounted quickly and easily to the
rear of the receiver and are suitable for all applications where – good reception conditions provided – a wireless transmission system is to be used without a large amount of installation work.
Connect the telescopic antennas to the BNC sockets and at the rear
of the receiver.
Pull the telescopic antennas out and align the upwards in a V-shape.
Use remote antennas when the receiver position is not the best antenna position for optimum reception.
Connecting the mains unit
The EM 100 G2 is powered via a mains unit.
Pass the cable through the cable grip .
Insert the DC connector on the mains cable into the DC socket .
14
Page 15
Connecting the amplifier/mixing console
The EM 100 G2’s audio outputs are available as an XLR-3M socket and a
¼” (6.3 mm) jack socket , allowing you to simultaneously connect two
units (e.g. amplifier, mixing console). The adjusted audio output level is common for both sockets.
Connect the amplifier/mixing console to the XLR-3M socket or the
¼” (6.3 mm) jack socket .
For detailed information on balanced and unbalanced connection, please
refer to the section “Connector assignment” auf Seite 43.
Via the operating menu, adapt the level of the audio output (AF OUT) to
the input of the amplifier or mixing console (see: „Adjusting the audio
output level (receivers only)“ on page 33).
Service interface
The service interface is only required for servicing purposes.
"
&
!
$
#
19” rack adapter and antenna mount (accessories)
For mounting one or two receivers 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 connecting bar "
y 1 connecting plate #
y 2 covering plugs $ for antenna holes
y 12 recessed head screws M 3x6
y 2 recessed head screws M 6x10
When mounting only one receiver into a rack, you can use the AM 2 antenna
mount (available as an accessory) to mount the transmitter’s antenna connection to the front of the GA 2 rack adapter. The AM 2 antenna mount consists of :
%
y 2 BNC extension cables (screw-in BNC socket % to BNC connector &)
y 2 plains washers
y 2 nuts
15
Page 16
!
To mount two EM 100 G2 into a rack:
Place the two receivers side by side onto a flat sur-
face, their bottom sides facing upwards.
Align the connecting plate # over the holes in the
bottom sides of the receivers.
Secure the connecting plate # to the receivers
using eight of the supplied recessed head screws
(M 3x6).
Hook the two rack mount “ears” ! to the front
panels of the receivers.
!
!
!
#
"
$
Secure the rack mount “ears” to the receivers using
two of the supplied recessed head screws (M 3x6)
respectively.
Slide the receivers into a 19” rack.
Screw the rack mount “ears” tight.
When mounting only one receiver into a rack, use the
connecting bar " instead of the second receiver.
Hook the two rack mount “ears” ! to the front
panel of the receiver.
Secure the rack mount “ears” to the receiver using
two of the supplied recessed head screws (M 3x6)
respectively.
Secure the connecting bar " to one of the rack
mount “ears” ! using two of the supplied recessed
head screws (M 6x10).
If you are not front mounting the antennas, insert
the two covering plugs $ into the antenna holes of
the connecting bar.
Slide the receiver into a 19” rack.
Screw the rack mount “ears” tight.
16
&%
"
To mount the receiver’s antenna connection to the
front of the GA 2 rack adapter using the AM 2 antenna
mount:
Screw the two BNC sockets % of the BNC extension
cables to the connecting bar " using the supplied
plain washers and nuts.
Connect the two BNC connectors& to the BNC
sockets and at the rear of the receiver.
Slide the receiver into a 19” rack.
Screw the rack mount “ears” tight.
Connect the two telescopic antennas to the two
BNC sockets %.
Pull the telescopic antennas out and align them
upwards in a V-shape.
Page 17
EK 100 G2 bodypack receiver
Inserting and replacing the batteries
For powering the EK 100 G2 bodypack receiver, you can either use two 1.5 V
AA size batteries or the rechargeable Sennheiser BA 2015 accupack.
Press the two unlocking buttons and open the battery compartment
cover .
Insert the two batteries or the BA 2015 accupack as shown in the diagram
on the left. Please observe correct polarity when inserting the batteries/
accupack.
Close the battery compartment. The battery compartment cover locks
into place and clicks.
Note:
For accupack operation of the receiver, only use the BA 2015 accupack In
order to ensure optimum operational reliability. For charging the
accupack, only use the L 2015 charger. Both the accupack and the charger
are available as accessories.
The accupack is fitted with an integrated sensor which is – via a third
contact – monitored by the electronics of the receiver and the charger.
The sensor is necessary for the following control purposes:
y The taking into account of the different voltage characteristics of
primary cells (batteries) and accupacks. The battery status indications
on the displays, the transmission of transmitter battery status
information to the rack-mount receivers and the switch-off thresholds
at the end of the operating time are corrected correspondingly. Due to
the missing sensor, individual rechargeable battery cells will not be
identified as accupacks.
y The monitoring of the accupack temperature during charging in the
L 2015 charger.
y The prevention of improper charging of inserted primary cells
(batteries). Due to the missing sensor, individual rechargeable battery
cells will also not be charged in the L 2015 charger.
Connecting units to the audio output
You can connect a PA system or a recording unit (e.g. video camera) to the
EK 100 G2 bodypack receiver.
Connect one of the supplied line output cables to the recording unit.
Connect the 3.5 mm jack plug to the audio output (AF OUT) '.
Lock the 3.5 mm jack plug by screwing down the coupling ring.
Via the operating menu, adapt the level of the audio output (AF OUT) to
the input sensitivity of the connected unit (see: „Adjusting the audio output level (receivers only)“ on page 33).
17
Page 18
Mounting the bodypack receiver to a camera
Use the supplied camera kit to mount the receiver to the camera’s flash
mount.
The camera kit consits of:
y 1 perforated plate
y 1 flash mount adapter
y 2 square nuts
Determine where on the perforated plate the flash mount adapter will
need to be fastened so that the receiver can best be attached to the
camera.
At this position, place a square nut under the perforated plate .
Fasten the flash mount adapter to the perforated plate using the square
nut.
Remove the belt clip.
Place the perforated plate onto the rear of the receiver.
Reinsert the belt clip.
SK 100 G2 bodypack transmitter
Inserting and replacing the batteries
For powering the SK 100 G2 bodypack transmitter, you can either use two
1.5 V AA size batteries or the rechargeable Sennheiser BA 2015 accupack.
Press the two unlocking buttons and open the battery compartment
cover .
Insert the two batteries or the BA 2015 accupack as shown in the diagram
on the left. Please observe correct polarity when inserting the batteries/
accupack.
Close the battery compartment. The battery compartment cover locks
into place with an audible click.
Note:
For important informations on charging the accupack see: „Inserting and
replacing the batteries“ on page 17.
Connecting the microphone/line cable
The microphone/line input is designed for the connection of both condenser
microphones and instruments (e.g. guitars). DC powering of the condenser
microphones is via the microphone/line input.
Connect the 3.5 mm jack plug from the microphone/line cable to the
3.5 mm jack socket (MIC/LINE) '.
Lock the 3.5 mm jack plug by screwing down the coupling ring .
18
Via the operating menu, adjust the sensitivity of the microphone/line
input (MIC/LINE) (see: „Adjusting the sensitivity (transmitters only)“ on
page 32).
Page 19
!
Attaching the microphones
Use the microphone clips ! to attach the ME 2 and ME 4 clip-on micro-
phones to clothing (e.g. tie, lapel).
Adjust the ME 3 headmic so that a comfortable and secure fit is ensured.
Positioning the microphones
The ME 3 and ME 4 microphones are directional microphones, i.e. their sound
inlet should always be directed towards the sound source (e.g. mouth).
The ME 2 with omni-directional pick-up pattern picks up sound equally from
all directions. It is the best choice if movements of the speaker’s head have to
be compensated for. However, it should be attached as close as possible to
the sound source.
Adjust the sensitivity correctly for all microphones/usages (see: „Adjusting
the sensitivity (transmitters only)“ on page 32).
SKP 100 G2 plug-on transmitter
Inserting and replacing the batteries
For powering the SKP 100 G2 plug-on transmitter, you can either use two
1.5 V AA size batteries or the rechargeable Sennheiser BA 2015 accupack.
Slide the battery compartment cover in the direction of the embossed
arrow and opern the cover.
Insert the two batteries or the BA 2015 accupack as shown in the diagram
on the left. Please observe correct polarity when inserting the batteries/
accupack.
Close the battery compartment. The battery compartment cover locks
into place with an audible click.
Note:
For accupack operation of the transmitter, only use the BA 2015 accupack
In order to ensure optimum operational reliability. For charging the
accupack, only use the L 2015 charger. Both the accupack and the charger
are available as accessories.
The accupack is fitted with an integrated sensor which is – via a third
contact – monitored by the electronics of the transmitter and the charger.
The sensor is necessary for the following control purposes:
y The taking into account of the different voltage characteristics of
primary cells (batteries) and accupacks. The battery status indications
on the displays, the transmission of transmitter battery status
information to the rack-mount receivers and the switch-off thresholds
at the end of the operating time are corrected correspondingly. Due to
the missing sensor, individual rechargeable battery cells will not be
identified as accupacks.
y The monitoring of the accupack temperature during charging in the
L 2015 charger.
19
Page 20
Plugging the plug-on transmitter onto a microphone
Plug the transmitter’s XLR-3F socket '
Tighten the locking ring ( as shown in the diagram on the left.
Note:
The transmitter uses the microphone body as an antenna – therefore only
microphones with a metal casing should be used for best signal transmission.
onto the microphone’s XLR-3M socket.
SKM 100 G2 radiomicrophone
Inserting and replacing the batteries
For powering the SKM 100 G2 radiomicrophone, you can either use two 1.5 V
AA size batteries or the rechargeable Sennheiser BA 2015 accupack.
Unscrew the display section ) from the radiomicrophone’s body by
turning it counterclockwise.
Slide back the display section ) as far as it will go.
Open the battery compartment cover .
Insert the two batteries or the BA 2015 accupack as shown in the diagram
on the left. Please observe correct polarity when inserting the batteries/
accupack.
Close the battery compartment cover .
Push the battery compartment into the radiomicrophone’s body.
Screw the display section tight.
Note:
For important informations on charging the accupack see: „Inserting and
replacing the batteries“ on page 19.
20
Page 21
Changing the microphone head
First remove the batteries/accupack as described above and leave the
radiomicrophone open.
Unscrew the sound inlet basket.
Loosen the screw and put it to one side.
Gently ease the capsule out of the contacts and then pull it out of the hou-
sing as shown. Do not touch the contacts and the diaphragm!
Insert the new capsule.
Secure the capsule by tightening the screw.
Note:
The screw mechanically secures the microphone capsule. If the screw is
missing, malfunctions may occur during tough use.
Put on the sound inlet basket and identification ring supplied with the
new microphone head (NB: do NOT use the old basket, as the different
heads use slightly differing internal foam) and screw it tight.
Insert the batteries/accupack.
Close the radiomicrophone and put it into operation.
Note:
Microphone capsule, sound inlet basket and foam insert form an acoustic
unit and must therefore always be exchanged all together. Each microphone head comes with a color-coded identification ring to distinguish
different microphone heads from each other (green = MD 835, blue = MD
845, red = ME 865).
21
Page 22
Using the components
Switching the components on/off
The ew 100 G2 transmitters and receivers can only be switched off when the
standard display is shown on the display panel. Within the operating menu,
the ON/OFF button or the POWER button(EM 100 G2 only) serves as the ESC
(cancel) key, i.e you cancel your entry and return to the standard display.
Note:
Remove the batteries or the accupack when the units will not be used for
extended periods of time.
Switching the rack-mount receiver on/off
Press the POWER button to switch the receiver on.
To switch the receiver off, press the POWER button until “OFF” appears on
the display.
Switching the bodypack receiver/transmitter on/off
Press the two unlocking buttons and open the battery compartment
cover .
Press the ON/OFF button to switch the bodypack receiver/transmitter
on. The red LED lights up.
To switch the bodypack receiver/transmitter off, press the ON/OFF button
until “OFF” appears on the display. The red LED goes off.
Close the battery compartment. The battery compartment cover locks
into place with an audible click.
Switching the plug-on transmitter on/off
Press the ON/OFF button to switch the plug-on transmitter on. The red
LED * lights up.
To switch the plug-on transmitter off, press the ON/OFF button until
“OFF” appears on the display. The red LED * goes off.
22
Page 23
Switching the radiomicrophone on/off
SK 100 G2
SKP 100 G2
Turn the protective cap* at the bottom of the radiomicrophone so that
the ON/OFF button becomes accessible.
Press the ON/OFF button to switch the radiomicrophone on. The red LED
lights up.
To switch the radiomicrophone off, press the ON/OFF button until
“OFF” appears on the display. The red LED goes off.
Muting the transmitters
All transmitters have a MUTE switch that noiselessly mutes the transmitter’s
audio signal without switching the transmitter off.
Muting the SK 100 G2 and SKP 100 G2 transmitters
Set the MUTE switch to the position ’MUTE’. The “MUTE” display appears
on the transmitter display panel. Provided that the pilot tone function is
activated on both the transmitter and the receiver, the “MUTE” display
also appears on the receiver display panel.
Set the MUTE switch back to the original position to retransmit the audio
signal.
Muting the SKM 100 G2 radiomicrophone
Turn the protective cap* at the bottom of the radiomicrophone so that
the MUTE switch becomes accessible.
Set the MUTE switch to the position ’MUTE’. The “MUTE” display appears
on the transmitter display panel. Provided that the pilot tone function is
activated on both the transmitter and the receiver, the “MUTE” display
also appears on the receiver display panel.
Set the MUTE switch back to the original position to retransmit the audio
signal.
Activating/deactivating the lock mode
All transmitters and receivers have a lock mode that can be activated or deactivated via the operating menu (see: „Activating/deactivating the lock
mode“ on page 35). The lock mode prevents that the transmitter or receiver
is accidentally programmed or switched off during operation.
23
Page 24
Attaching the components to clothing
Attaching the bodypack receiver/transmitter to clothing
The bodypack receiver/transmitter is attached to clothing (e.g. belt, waistband) with the supplied belt clip.
The clip is detachable so that you can also attach the bodypack receiver/
transmitter with the antenna pointing downwards. To do so, withdraw the
clip from its fixing points and attach it the other way round.
The BPP 1 bodypack pouch (available as an accessory) helps to protect the
bodypack receiver/transmitter against moisture.
24
Page 25
The operating menu
A special feature of the Sennheiser ew 100 G2 series is the similar, intuitive operation. As a result, the units are easy
to operate and adjustments to the settings can be made quickly and “without looking” – even in stressful situations, for example on stage or during a live show or presentation.
The buttons
ButtonsModeTo ...
ON/OFF
or
POWER
(EM 100 G2 only)
SET
/
Standard displayturn the transmitter or receiver on and off
Operating menucancel the entry and return to the standard display
Setting modecancel the entry and return to the standard display
Standard displayget into the operating menu
Operating menuget into the setting mode of the selected menu
Setting modestore the settings and return to the previous menu level
Standard displaywithout function
Operating menuchange to the previous menu () or change to the next menu ()
Setting modeadjust the setting of the selected menu: option (/)
Overview of menus
DisplayReceiversTransmitters
BANKSwitching between channel banksSwitching between channel banks
CHAN
TUNE
SCAN
SENSIT
AF OUTAdjusting the audio output level
SQELCHAdjusting the squelch threshold
DISPLYSelecting the standard displaySelecting the standard display
NAMEEntering a nameEntering a name
RESETLoading the factory-preset default settings Loading the factory-preset default settings
PILOT
LOCKActivating/deactivating the lock modeActivating/deactivating the lock mode
EXIT
Switching between the channels in
a channel bank
Setting a receiving frequency for the channel
bank “U” (user bank)
Scanning the selected channel bank for free
channels
⎯
Activating/deactivating the pilot tone
evaluation
Exiting the operating menu and returning to the
standard display
Switching between the channels in
a channel bank
Setting a transmission frequency for the channel
bank “U” (user bank)
⎯
Adjusting the sensitivity (AF)
⎯
⎯
Activating/deactivating the pilot tone
transmission
Exiting the operating menu and returning to the
standard display
25
Page 26
EM 100 G2
Working with the operating menu
By way of example of the “TUNE” menu, this section describes how to use the
operating menu.
After switching the unit on, the standard display is shown on the display
panel.
EK 100 G2
Trans-
mitters
Getting into the operating menu
Press the SET button to get from the standard display into the operating
menu. The last menu selected flashes on the display.
Selecting a menu
Press the / buttons to select a menu.
Press the SET button to get into the setting mode of the selected menu.
The current setting that can be adjusted flashes on the display.
Adjusting a setting
Press the / buttons to adjust the setting. By briefly pressing the /
buttons, the display jumps either forwards or backwards to the next setting. In the “CHAN”, “TUNE” and “NAME” menu, the /
a “fast search” function. If you hold down a button, the display cycles continuously. The “fast search” function allows you to get fast and easily to
your desired setting. The new setting flashes on the display until it is
stored.
buttons feature
Storing a setting
Press the SET button to store the setting. “STORED” appears on the dis-
play, indicating that the setting has been stored. The display then returns
to the previous menu level.
With most menus, new settings become effective immediately without
having to be stored. An exception are the “BANK”, “CHAN”, “TUNE” and
“RESET” menus of the transmitters and the “RESET” menu of the receivers. With these menus, new settings only become effective after they
have been stored (“STORED” appears on the display, indicating that the
setting has been stored).
Exiting the operating menu
Select the “EXIT” menu to exit the operating menu and to return to the
standard display.
When you have entered the operating menu, the ON/OFF button or the
POWER button (EM 100 G2 receiver only) serves as the ESC (cancel) key,
i.e. by briefly pressing the ON/OFF or POWER button, you cancel your entry
and return to the standard display.
26
Page 27
Operating menu of the receivers
01
04
1
U
18
-24
LO
HI
790.025
791.125
EXIT
SET
Changing the channel
bank
Changing the channel
Setting the frequency
for channel bank "U"
Scanning the selected
channel bank for free
channels
BANK
CHAN
TUNE
SCAN
SET
SET
SET
SET
BANK
Current channel bank
STORED
1.
01
790.025
B . CH
Current channel (display
depends on "DISPLY"
setting)
STORED
790.025
Current frequency on
the selected channel
STORED
U.U.
START
04 CH FREE
STORED
SET
BANK
/ : 1...8, U (User
Bank)
SET
: Stores the setting
1.
04
790.100
B . CH
/ : Channel 01...04
SET
: Stores the setting
791.125
/ : Receiving
frequency in steps of
25 kHz
SET
: Stores the setting
CLEAR
/ : CLEAR, START
Start scan = START
SET: Scans the selected
channel bank for free
channels
Delete result = CLEAR
SET: Releases locked
channels
AF OUT
Setting the audio output
level
SQELCH
Setting the squelch
threshold
DISPLY
SET
SET
LEV +18
Current audio output
level
STORED
Current squelch
threshold
STORED
SQ LO
LEV
/ : (in steps of 6 dB):
EM 100 G2:+18...0...-24 dB
EK 100 G2:
SET
: Stores the setting
/ : LO, MID, HI
SET
: Stores the setting
+12...0...-30 dB
SQ HI
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SQELCH
NO
OK
/
ON
OFF
OFF
ON
V
FREQ
NAME
DISPLY
Switching between the
standard displays
NAME
Assigning the receiver
a name
SET
Current standard display
SET
Current receiver name
FREQ
STORED
NAME
/
:
Select standard
display
EM 100 G2: FREQ, NAME
EK 100 G2: FREQ, NAME,
CHAN
SET
:
Stores the setting
OCALGUCAL
/ :
Enter a name
(6 characters)
Letters w/o pronounciation
marks, numbers from 0...9,
STORED
special characters, spaces
SET: 5 x next character,
then store
RESET
Loading the factorypreset default settings
PILOT
Activating/deactivating
the pilot tone evaluation
LOCK
Activating the lock mode
SET
SET
SET
RST. NO
Security check
PLT. ON
Pilot tone evaluation
activated or deactivated
STORED
LOC.OFF
Lock mode activated or
deactivated
STORED
RST. OK
/ :
OK, NO
"reset" = OK:
SET:
factory-preset default
settings (only pilot tone
setting is kept), receiver is
restarted, standard display
appears
"reset" = NO
SET
:
Receiver loads
Reset is cancelled
PLT. OFF
/ :
ON, OFF
SET
:
Stores the setting
LOC.ON
:
ON, OFF
Lock mode = ON:
SET: Stores the setting
(STORED), returns to
standard display
Lock mode = OFF:
SET: Stores the setting
28
EXIT
Exiting the operating
menu
BANK
SET
Page 29
Operating menu of the transmitters
1
U
FREQ
NAME
790.025
791.125
EXIT
SET
BANK
Changing the channel
bank
CHAN
Changing the channel
TUNE
Setting the frequency
for channel bank "U"
SET
SET
SET
BANK
Current channel bank
STORED
1.03
Current channel (display
depends on "DISPLY"
setting)
B.CH
STORED
790.025
Current frequency on
the selected channel
MHz
STORED
BANK
/ :
Bank)
SET
:
Stores the setting
1.02
/ :
SET
:
Stores the setting
791.125
/ :
frequency in steps of
25 kHz
SET
:
Stores the setting
1...8, U (User
B.CH
Channel 01...04
MHz
Transmission
SENSIT
Setting the sensitivity
DISPLY
Switching between the
standard displays
NAME
SET
SET
-10 dB
Current sensitivity
setting
STORED
FREQ
Current standard display
STORED
-30 dB
/
:
SK 100 G2: 0...-30 dB
SKM 100 G2: 0...-30 dB
SKP 100 G2: 0...-50 dB
SET
:
Stores the setting
NAME
/
: FREQ, NAME,
CHAN
SET
:
Stores the setting
29
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DISPLY
ON
OFF
OFF
ON
NO
OK
V
GU
/
NAME
Assigning the
transmitter a name
RESET
Loading the factorypreset default settings
PILOT
Activating/deactivating
the pilot tone
transmission
SET
SET
SET
OCAL
Current transmitter name
STORED
RST. NO
Security check
PLT. ON
Pilot tone transmission
activated or deactivated
CAL
/ :
Transmitter name
(6 characters)
Letters w/o pronounciation
marks, numbers from 0...9,
special characters, spaces
SET: 5 x next character,
then store
RST. OK
/ :
OK, NO
"reset" = OK:
SET:
factory-preset default
settings (only pilot tone
setting is kept), transmitter
is restarted, standard
display appears
"reset" = NO
SET
:
Transmitter loads
Reset is cancelled
PLT. OFF
/ :
ON, OFF
SET
:
Stores the setting
LOCK
Activating the lock mode
EXIT
Exiting the operating
menu
BANK
SET
SET
STORED
LOC.OFF
Lock mode activated or
deactivated
STORED
LOC.ON
:
ON, OFF
Lock mode = ON:
SET: Stores the setting
(STORED), returns to
standard display
Lock mode = OFF:
SET: Stores the setting
30
Page 31
Adjustment tips for the operating menu
Switching between channel banks
BANK
CHAN
Via the “BANK” menu, you can switch between the nine channel banks of the
transmitters and receivers. The channel banks “1” to “8” have four
switchable channels that are factory-preset to a transmission/receiving frequency (see: „The channel bank system“ on page 4). The channel bank “U”
(user bank) has four switchable channels to store your selection out of 1440
transmission/receiving frequencies that are freely selectable within the preset frequency range.
When switching from one channel bank to another, the channel with the
lowest channel number is automatically displayed. If, during the last scan of
this channel bank, an interfering frequency was detected on the channel with
the lowest channel number (see: „Scanning the channel banks for free channels (receivers only)“ on page 31), the receiver display panel automatically
displays the next free channel.
Switching between the channels in a channel bank
Via the “CHAN” menu, you can switch between the four channels in a channel
bank.
Always set the transmitter and the receiver of a transmission link to the same
channel. After scanning a channel bank (see: „Scanning the channel banks for
free channels (receivers only)“ on page 31), only the free channels are displayed. Set the transmitter to one of the free channels.
Selecting the frequencies to be stored
in the channel bank “U”
TUNE
Via the “TUNE” menu, you can select the frequencies to be stored in the channel bank “U” (user bank).
When you have selected one of the channel banks “1” to “8” and then select
the “TUNE” menu, the transmitter or receiver automatically switches to
channel 01 of the channel bank “U”. In this case, “U.01” briefly appears on
the display.
Use the / buttons to select the desired transmission or receiving fre-
quency. Transmission and receiving frequencies are tunable in 25-kHz
steps within a switching bandwidth of 36 MHz max. For intermodulationfree frequencies, please refer to the enclosed frequency table.
Scanning the channel banks for free channels (receivers only)
SCANBefore putting one or several transmission links into operation, you should
scan the selected channel bank for free channels In order to ensure intermodulation-free operation of your system.
31
Page 32
Starting the scan and storing the scan result
Before starting the scan, switch all transmitters of your system off, since
channels used by switched-on transmitters will not be displayed as “free
channels”.
Select the “SCAN” menu.
Select “START” and confirm your selection by pressing the SET button.
After the scan is completed, the number of free channels is displayed.
Pressing the SET button once more will store the scan result and lock all
channels that are used or subject to interference.
Releasing locked channels
Select the “SCAN” menu.
Select “CLEAR” and confirm your selection by pressing the SET button. All
channels in this channel bank can now be selected again.
Multi-channel operation
For multi-channel operation, only use the free channels in a channel bank.
Before putting the transmission links into operation, we recommend perfor-
ming an auto scan.
SENSIT
Select a channel bank on a receiver.
Scan this channel bank for free channels. If not enough free channels are
available in the selected channel bank, repeat the scan with another channel bank.
Apply the scan result to all other transmitters and receivers.
Adjusting the sensitivity (transmitters only)
Via the “SENSIT” menu, you can adjust the modulation level of the transmit-
ters. This changes the transmitter’s input sensitivity.
The input sensitivity is adjusted too high when close talking distances, speakers with loud voices or loud music passages cause overmodulation in the
transmission link. In this case, the SK 100 G2’s yellow LED (AF PEAK) will
light up and the receiver’s level display for audio signal (AF) will show full
deflection (see: „Modulation display of the receiving transmitter“ on
page 12).
If, on the other hand, the sensitivity is adjusted too low, the transmission link
will be undermodulated, which would result in a signal with high background
noise.
The sensitivity is correctly adjusted when the level display for audio signal
“AF” shows full deflection only during the loudest passages.
EM 100 G2
32
EM 100 G2
EK 100 G2
Note:
For monitoring the adjusted sensitivity, the transmitter’s level display for
audio signal (AF) always indicates the audio level – even if the transmitter
is muted.
Page 33
The following figures are a guide to the best settings:
y Loud music/vocals:–30 to –20 dB
y Presentations:–20 to –10 dB
y Interviews: –10 to 0 dB
y Musical instruments:
– electric guitars with single coil pickups:–10 to 0 dB
– electric guitars with humbucker pickups:–20 to –10 dB
– guitars with active electronics
(active pickups, active EQs, piezo pickups):–30 to –20 dB
Special feature of the SKP 100 G2 plug-on transmitter:
In order to be able to use highly sensitive directional condenser microphones
with separate powering, the SKP 100 G2 plug-on transmitter offers a sensitivity range extended by 20 dB. With the transmitter plugged onto a directional condenser microphone, the following figures are a guide to the best settings:
y Loud music/vocals: –50 to –40 dB
y Presentations:–40 to –30 dB
y Interviews: –30 to –20 dB
AF OUT
SQELCH
Adjusting the audio output level (receivers only)
Via the “AF OUT” menu, you can adjust the audio output level of the receivers.
The level can be adjusted in eight steps. Adapt the level of the audio output
(AF OUT) to the input of the connected unit. The following figures are a guide
to the best settings:
EM 100 G2EK 100 G2
y Line level input:0 bis +18 dB0 bis +12 dB
y Microphone level input:–24 bis –6 dB–30 bis –6 dB
Adjusting the squelch threshold (receivers only)
The receiver is equipped with a squelch that can be adjusted via the “SQELCH”
menu. The squelch eliminates annoying noise when the transmitter is
switched off. It also suppresses sudden noise when there is no longer
sufficient transmitter power received by the receiver.
Note:
Before adjusting the squelch threshold to a different setting, set the
volume on a connected amplifier to the minimum.
There are three possible squelch settings:
y LO = low
y MID = middle
y HI = high
Selecting the setting “LO” reduces the squelch threshold, selecting the setting “HI” increases the squelch threshold. Adjust the squelch threshold – with
the transmitter switched off – to the lowest possible setting that suppresses
hissing noise.
33
Page 34
IMPORTANT!Notes:
If the squelch threshold is adjusted too high, the transmission range will
be reduced. Therefore, always adjust the squelch threshold to the lowest
possible setting. The squelch threshold is factory-preset to “LO”.
When in the setting mode of the “SQELCH” menu, pressing the button
(DOWN) for more than three seconds will switch the squelch off. “SQ.OFF”
appears on the display. If no RF signal is being received, hissing noise will
occur. This setting is for test purposes only.
Selecting the standard display
DISPLY
selectable
Standard display
„FREQ“
„NAME“
„CHAN“⎯
EM 100 G2EK 100 G2
Via the “DISPLY” menu, you canselect the standard display:
Contents of standard display
SK 100 G2, SKM 100 G2,
SKP 100 G2
Entering a name
34
NAME
Via the “NAME” menu, you can enter a freely selectable name for each transmitter and receiver. You can, for example, enter the name of the performer
for whom the adjustments have been made.
The name can be displayed on the standard display and can consist of up to
six characters such as:
y letters (without pronounciation marks),
y numbers from 0 to 9,
y special characters e.g. () - . _ and spaces.
To enter a name, proceed as follows:
Press the SET button to get into the setting mode of the “NAME” menu.
The first segment starts flashing on the display.
With the / buttons you can now select a character. By briefly pressing
a button, the display jumps either forwards or backwards to the next character. If you hold down a button, the display starts cycling continuously.
Press the SET button to change to the next segment and select the next
character.
Have you entered the name completely? Press the SET button to store
your setting and to return to the previous menu level.
Page 35
Loading the factory-preset default settings
RESET
PILOT
Via the “RESET” menu, you can load the factory-preset default settings. Only
the selected setting for the pilot tone remains unchanged. After the reset, the
unit is restarted and the standard display is shown on the display panel.
Activating/deactivating the pilot tone transmission or
pilot tone evaluation
Via the “
sion of the transmitters and the pilot tone evaluation of the receivers.
The pilot tone supports the squelch function (SQELCH) and protects against
interference due to RF signals from other units. The transmitter adds an inaudible signal, known as the pilot tone, to the transmitted signal. The receiver
detects and evaluates the pilot tone, and is thus able to identify the signal of
the matching transmitter and mute all others.
Transmitters of the ew 100 series (first generation) do not transmit a pilot
tone and receivers of the ew 100 series (first generation) cannot evaluate
the pilot tone. Nevertheless, you can combine units of the ew 100 series (first
generation) with units of the ew 100 G2 series (second generation).
However, when combining units, please observe the following:
y With an ew 100 G2 transmitter and an ew 100 G2 receiver:
y With an ew 100 transmitter and an ew 100 G2 receiver or vice versa:
PILOT
” menu, you can activate or deactivate the pilot tone transmis-
Activate the pilot tone function with both transmitter and receiver.
Deactivate the pilot tone function with the ew 100 G2 transmitter or receiver.
LOCK
EM 100 G2
EK 100 G2
Transmitters
Activating/deactivating the lock mode
Via the “LOCK” menu, you can activate or deactiveate the lock mode.
The lock mode prevents that the transmitter or receiver is accidentally programmed or switched off during operation. The lock mode icon on the display
indicates that the lock mode is activated.
To deactivate the lock mode, first press the SET button. Then press the /
buttons to select “Lock Off”.
button, “LOC.OFF” appears on the display and the buttons can be operated as
usual.
If you confirm your selection by pressing the
SET
Exiting the operating menu
Via the “EXIT” menu, you can exit the operating menu and return to the standard display.
35
Page 36
If problems occur
Error checklist
ProblemPossible causePossible solution
No operation indicationBatteries are flat or
accupack is flat
No mains connection (EM 100 G2)Check the connections of the mains unit
No RF signalTransmitter and receiver are not on the
same channel
Transmitter is out of rangeCheck the squelch threshold setting
RF signal available,
no audio signal,
“MUTE” display appears on the
display panel
Audio signal has a high level of
background noise
Audio signal is distortedTransmitter sensitivity is adjusted too
No access to a certain channel During scanning, an RF signal has been
Transmitter is muted (“MUTE”)Deactivate the muting function
Receiver’s squelch threshold is adjusted
too high
Transmitter doesn’t transmit a
pilot tone
Transmitter sensitivity is adjusted too
low
Receiver’s AF output level is adjusted
too low
high
Receiver’s AF output level is adjusted
too high
detected on this channel and the
channel has been locked
During scanning, a transmitter of your
system operating on this channel has
not been switched off
Replace the batteries or
recharge the accupack
Set transmitter and receiver to the
same channel
(see: „Adjusting the squelch threshold
(receivers only)“ on page 33) or
reduce the distance between
transmitter and receiving antenna
see „Adjusting the squelch threshold
(receivers only)“ on page 33
see „Activating/deactivating the pilot
tone transmission or pilot tone
evaluation“ on page 35
see „Adjusting the sensitivity
(transmitters only)“ on page 32
see „Adjusting the audio output level
(receivers only)“ on page 33
see „Adjusting the sensitivity
(transmitters only)“ on page 32
see „Adjusting the audio output level
(receivers only)“ on page 33
see „Scanning the channel banks for
free channels (receivers only)“ on
page 31
see „Multi-channel operation“ on
page 32
If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.
36
Page 37
Recommendations and tips
... for the ME 2 and ME 4 clip-on microphones
y To reduce level variations to a minimum when the user turns his or her head
away from the microphone, attach the microphone as centrally as possible.
y To protect the microphone against excessive sweat/moisture, avoid direct
skin contact.
y Attach the microphone carefully and conduct the cable so that noise due to
friction is avoided.
y Always use the ME 4 directional microphone with a windshield and direct
the microphone towards the sound source (e.g. mouth).
... for the ME 3 headmic
y Always use the microphone with a popshield and position the microphone
at the corner of the mouth.
y You can vary the bass reproduction by increasing/decreasing the talking
distance to the microphone.
y Make sure that the sound inlet is directed towards the mouth. The sound
inlet is marked with a little dot.
... for the SK 100 G2 bodypack transmitter
y Make sure that the antenna and the microphone cable do not cross.
y The antenna should hang freely and be at least 1 cm away from the body.
The antenna must not be in direct contact with the skin.
y For best results, make sure that the transmitter sensitivity is correctly
adjusted.
... for the SKM 100 G2 radiomicrophone
y Hold the SKM 100 G2 in the middle of the microphone body. Holding it close
to the sound inlet basket will influence the microphone’s pick-up pattern,
holding it at the lower part of the body will reduce the transmitter’s range.
y You can vary the bass reproduction by increasing/decreasing the talking
distance to the microphone.
y For best results, make sure that the transmitter sensitivity is correctly
adjusted.
... for the EK 100 G2 bodypack receiver
y The antenna should hang freely and be at least 1 cm away from the body.
The antenna must not be in direct contact with the skin.
... for optimum reception
y Transmission range depends to a large extent on location and can vary
from about 10 m to about 150 m. There should be a “free line of sight” between transmitting and receiving antennas.
y If, with the EM 100 G2 receiver, reception conditions are unfavourable, you
should use two remote antennas which are connected via antenna cable.
y To avoid overmodulating the receiver, observe a minimum distance of 5 m
between transmitting and receiving antennas.
y Observe a minimum distance of 50 cm between receiving antennas and
metal objects (such as cross members or reinforced-concrete walls).
37
Page 38
... for multi-channel operation
y For multi-channel operation, you can only use the channels in a channel
bank. Each of the channel banks “1” to “8” accommodates four factorypreset frequencies which are intermodulation-free. For alternative frequency combinations, please refer to the enclosed frequency table. The freely selectable frequencies can be selected via the “TUNE” menu and can be
stored in the channel bank “U”.
y When using several transmitters simultaneously, interference can be avoi-
ded by maintaining a minimum distance of 20 cm between two transmitters.
y Use special accessories for multi-channel applications (see: „Accessories“
on page 45).
Care and maintenance
Use a slightly damp cloth to clean the units from time to time.
Note:
Do not use any cleansing agents or solvents.
To clean the SKM 100 G2’s sound inlet basket, proceed as follows:
Unscrew the sound inlet basket (turn counterclockwise) and remove it.
Remove the foam insert.
Use a slightly damp cloth to clean the sound inlet basket from the inside
and ouside.
Reinsert the foam insert.
Replace the sound inlet basket on the SKM 100 G2 and screw it tight
(taking care not to loose the colored identification ring).
38
Page 39
Additional information
HDX noise reduction
RF link
Inherent noise
of the RF link
Transmitter
Progress you can hear:
The evolution wireless G2 series is equipped with HDX, the Sennheiser noise
reduction system that reduces RF interference. It increases the signal-tonoise ratio in wireless audio transmission to more than 110 dB.
HDXis a wideband compander system which compresses the audio signal in
the transmitter in a 2:1 ratio (related to dB) to lift it above the inherent noise
floor of the RF link. A 110 dB dynamic range signal is thus transmitted with
an effective dynamic range of only 55 dB, which is above the 60 dB noise floor
of the RF link. In the receiver the signal is expanded in an identical and opposite way in a 1:2 ratio to restore the original signal, at the same time reducing
the RF noise to below the noise floor of the receiver.
HDX has been specially developed for high quality radiomicrophone systems.
Note:
Only transmitters and receivers that are equipped with HDXcan work correctly with each other. If non HDXequipment was mixed with HDX, the
dynamic range would be drastically reduced and the transmission would
sound blunt and flat. HDXis permanently active and cannot be switched
off.
Receiver
39
Page 40
Wireless transmission systems
With the ew 100 G2 series, Sennheiser puts an end to cable tangles and enables complete freedom of movement. The systems operate exclusively in the
UHF band. UHF transmission is extremely reliable and is far less prone to
interference than the overcrowded VHF band – harmonics from mains units,
fluorescent tubes, refrigerators, computers, etc. are virtually eliminated. Also
indoor propagation of UHF radio waves is better than VHF so that the RF
power can be kept low – this is also an advantage when using multi-channel
systems. Finally, UHF frequency ranges are being approved all over the world
for radiomicrophone usage – in some countries licence-free.
There are three transmitter versions: The hand-held transmitter is a complete
radiomicrophone in a single unit, the plug-on transmitter converts your
favourite wired microphone into a radiomicrophone, the bodypack transmitter can accept a wide range of inputs including: omni-directional or cardioid
clip-on microphones, head-worn microphone, guitar/instrument direct input
and auxiliary units via the optional CL 2 line input cable.
Correct adjustment of transmitter sensitivity is vital. Too high and you get
overmodulation and distortion, too low and you get undermodulation and a
noisy signal. Please set the sensitivity correctly for the microphone/usage
and check it before every performance to ensure best operation.
Sennheiser miniature clip-on microphones can be attached in various ways:
they can, for example, be attached to the hairline or to clothing (e.g. tie or
lapel). However it is fixed, please make sure that the microphone is protected
against sweat/moisture and make-up.
Squelch
Pilot tone squelch
The transmitter adds a pilot tone to the audio signal. The receiver checks
incoming audio signals to see if the pilot tone is present. In the absence of the
signal, the receiver’s audio output will remain muted, even if a strong RF signal is present.
This prevents strong interfering signals from causing hissing noise in the
receiver when the transmitter is switched off.
In order to benefit from this feature, the pilot tone function must be activated
on both the transmitter and the receiver. The pilot tone function is factorypreset to “ON” (= activated).
Field strength-dependent squelch
Depending on the strength of the received RF signal, the receiver’s audio output is opened or muted. Via the “SQELCH” menu of the receiver, the squelch
threshold can be adjusted in three steps(LO, MID, HI).
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Diversity reception
The EM 100 G2 receiver operates on the “true diversity” principle:
A receiving antenna receives not only the electromagnetic waves which reach
it by a direct path, but also the reflections of these waves which are created
in the room by walls, windows, ceilings and fittings. When these waves are
superimposed, destructive interference occurs, which can also be called “field
strength gaps”. Repositioning the receiving antenna can bring a solution.
With mobile transmitters, however (which all radiomicrophones are), the
“field strength gap” will then occur with a different transmitter position.
These “field strength gaps” can only be eliminated with true diversity receivers.
In true diversity, instead of one antenna and one receiver there are now two
antennas and two receiver sections. The antennas are spatially separated. By
means of a comparison circuit, the receiver section with the strongest RF signal is always switched to the common AF output. The risk of the occurrence
of “field strength gaps” in both antennas at the same time is virtually nonexistant.
The receiver display panel shows the active diversity section (I or II) .
Receiver section I
Control signal
Electronic
switch-over of
AF signal
Control signal
Receiver section II
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Specifications
System
RF characteristics
Modulationwideband FM
Frequency ranges518–554, 626–662, 740–776, 786–822, 830–866 MHz
Transmission/receiving frequencies8 channel banks with 4 factory-preset channels each
1 channel bank with 4 freely selectable channels
(1440 frequencies, tunable in steps of 25 kHz)
Switching bandwidth36 MHz
Nominal/peak deviation± 24 kHz/± 48 kHz
Frequency stability≤ ± 15 ppm
AF characteristics
Noise reduction systemSennheiser HDX
AF frequency response40–18,000 Hz
S/N ratio (at 1 mV and peak deviation)
THD (at nominal deviation and 1 kHz)≤ 0.9 %
General data
Temperature range–10 °C to +55 °C
Dimensions of carrying case [mm]380 x 370 x 70
Weight of carrying case with EM 100 G2approx. 3100 g
Weight of carrying case with EK 100 G2approx. 2160 g
110 dB(A)
≥
Receivers
RF characteristicsEM 100 G2EK 100 G2
Receiver principletrue diversitynon diversity
Sensitivity (with HDX,
peak deviation)
Adjacent channel rejection≥ 65 dB≥ 65 dB
Intermodulation attenuation≥ 65 dB≥ 65 dB
Blocking≥ 70 dB≥ 70 dB
Squelch4 steps: OFF
Pilot tone squelchcan be switched off
Antenna inputs2 BNC sockets
AF characteristics
AF output voltage
(at peak deviation 1 kHz
Overall device
Power supply10.5–16 V DC,
Power consumptionapprox. 200 mAapprox. 130 mA
Power consumption with
switched-off receiver
Dimensions [mm]212 x 145 x 3882 x 64 x 24
Weightapprox. 1100 g approx. 158 g (incl. batteries)
AF
)
<2.5 μV at 52 dBA
LO: 5 dBμV
MID: 15 dBμV
HI: 25 dBμV
¼’’ (6.3 mm) jack socket
(unbalanced): +18 dB
XLR socket (balanced): +12 dB
nominal voltage 12 V DC
–
S/N ratio<2.5 μV at 52 dBA
rms
4 steps: OFF
–
3.5 mm jack socket:
unbalanced: +10 dB
u
u
2 AA size batteries, 1.5 V
≤ 250 μA
LO: 5 dBμV
MID: 15 dBμV
HI: 25 dBμV
S/N ratio
rms
u
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Transmitters
RF characteristicsSK 100 G2SKP 100 G2SKM 100 G2
RF output power at 50 Ωtyp. 30 mW
AF characteristics
Max. input voltage (at peak deviation)
Microphone 1.8 V
Line 2.4 V
, unbalanced 1.2 V
rms
rms
––
, unbalanced–
eff
Input impedance
Microphone 10 kΩ, unbalanced10 kΩ, unbalanced–
Line 1 MΩ––
Overall device
Power supply2 AA size batteries, 1.5 V
Nominal voltage2.4 V2.4 V2.4 V
Max. power consumption at nominal voltage ≤ 170 mA
Power consumption with
≤ 250 μA≤ 250 μA≤ 250 μA
switched-off transmitter
Operating time (with batteries)> 8 h> 8 h> 8 h
Operating time (with BA 2015 accupack)> 8 h> 8 h> 8 h
Dimensions [mm]82 x 64 x 24105 x 43 x 43∅ 50 x 225
Weight (incl. batteries)approx. 158 gapprox. 195 gapprox. 450g
Microphones
ME 2ME 3ME 4
Transducer principlecondensercondensercondenser
Sensitivity20 mV/Pa1.6 mV/Pa40 mV/Pa
Pick-up patternomni-driectionalsuper-cardioidcardioid
Max. SPL130 dB SPL150 dB SPL120 dB SPL
Microphone heads
MD 835MD 845ME 865
Transducer principledynamicdynamiccondenser
Sensitivity1.5 mV/Pa1 mV/Pa3 mV/Pa
Pick-up patterncardioidsuper-cardioidsuper-cardioid
Max. SPL150 dB SPL154 dB SPL144 dB SPL
Color of identification ringgreenbluered
Connector assignment
EM 100 G2:
¼’’ (6.3 mm) stereo jack
plug, unbalanced
EM 100 G2:
¼’’ (6.3 mm) mono jack
plug, unbalanced
EM 100 G2:
XLR-3F connector, balanced
21
+
3
EM 100 G2:
DC connector for
power supply
NC/GND
SK 100 G2:
3.5 mm jack plug
EK 100 G2:
3.5 mm stereo jack plug,
unbalanced
EK 100 G2:
3.5 mm mono jack plug,
unbalanced
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Polar diagrams and frequency response curves of microphones/microphone heads
Polar diagrams of microphones/microphone heads
MD 835ME 865ME 3
MD 845ME 4
Frequency response curves of microphones/microphone heads
MD 835ME 2
MD 845ME 3
ME 865ME 4
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Accessories
MD 835 Microphone head for SKM 100 G2 (green identification ring),
dynamic, cardioid
MD 845 Microphone head for SKM 100 G2 (blue identification ring),
dynamic, super-cardioid
ME 865 Microphone head for SKM 100 G2 (red identification ring),
condenser, super-cardioid
MZW 1 Wind- and popshield for SKM 100 G2
MZQ 1 Microphone clamp for SKM 100 G2
ME 2 Clip-on microphone for SK 100 G2,
condenser, omni-directional
ME 4 Clip-on microphone for SK 100 G2,
condenser, cardioid
ME 3 Headmic for SK 100 G2,
condenser, super-cardioid
CI 1 Instrument cable for SK 100 G2,
with
¼” (6.3 mm) jack plug
CL 2 Line input cable for SK 100 G2,
with XLR-3F connector
CL 100 Line input cable for EK 100 G2,
with XLR-3M connector
GA 2 19” rack adapter
AM 2 Antenna mount for mounting antennas to the front of the GA 2
A 1031-U UHF antenna,
passive, omni-directional, can be mounted onto a stand
AB 2-A UHF antenna booster, 10 dB gain powered via ASP 2/NT1518–554 MHz
AB 2-B626–662 MHz
AB 2-C740–776 MHz
AB 2-D786–822 MHz
AB 2-E830–866 MHz
GZL 1019-A1 / 5 / 10 Antenna cable with BNC connectors1 m / 5 m / 10 m
ASP 2 Antenna splitter,
2 x 1:4, passive, for connecting four EM 100 G2
to two A 1031-U/AB 2
NT 1 Mains unit for ASP 2
DC 2 DC power adapter,
for external 12 V DC powering of SK 100 G2
(instead of two AA size batteries)
BA 2015 Accupack for EK 100 G2, SK 100 G2, SKP 100 G2, SKM 100 G2
L 2015 Charger for BA 2015 accupack
CC 2 Carrying case for ew 100 G2 system
KEN 8 color-coded identification caps for SKM 100 G2
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Manufacturer declarations
Warranty regulations
The guarantee period for this Sennheiser product is 24 months from the date of
purchase. Excluded are accessory items, rechargeable or disposable batteries that are
delivered with the product; due to their characteristics these products have a shorter
service life that is principally dependent on the individual frequency of use.
The guarantee period starts from the date of original purchase. For this reason, we
recommend that the sales receipt be retained as proof of purchase. Without this proof
(which is checked by the responsible Sennheiser service partner) you will not be reimbursed for any repairs that are carried out.
Depending on our choice, guarantee service comprises, free of charge, the removal of
material and manufacturing defects through repair or replacement of either individual parts or the entire device. Inappropriate usage (e.g. operating faults, mechanical
damages, incorrect operating voltage), wear and tear, force majeure and defects
which were known at the time of purchase are excluded from guarantee claims. The
guarantee is void if the product is manipulated by non-authorised persons or repair
stations.
In the case of a claim under the terms of this guarantee, send the device, including
acces-sories and sales receipt, to the responsible service partner. To minimise the risk
of transport damage, we recommend that the original packaging is used. Your legal
rights against the seller, resulting from the contract of sale, are not affected by this
guarantee.
The guarantee can be claimed in all countries outside the U.S. provided that no national law limits our terms of guarantee.
CE Declaration
of Conformity
This equipment is in compliance with the essential requirements and other relevant
provisions of Directives 1999/5/EC, 89/336/EC or 73/23/EC. The declaration is available on the internet site at www.sennheiser.com.
Before putting the device into operation, please observe the respective country-specific regulations!
Batteries or rechargeable batteries
The supplied batteries or rechargeable batteries can be recycled. Please
dispose of them as special waste or return them to your specialist dealer. In
order to protect the environment, only dispose of exhausted batteries.
WEEE Declaration
Your Sennheiser product was developed and manufactured with highquality
materials and components which can be recycled and/or reused. This symbol
indicates that electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime.
Please dispose of this product by bringing it to your local collection point or recycling
centre for such equipment. This will help to protect the environment in which we all
live.