Sennheiser Sennheiser 3000 series User manual

The Gradav Guide to
Sennheiser 3000 series
Radio Mics

Intro & Overview
The 3000 series of Radio Mic equipment is used in West End Theatre
productions, by Broadcasters, and those users looking for that extra quality
that is inherent in Sennheiser’s more expensive systems.
The EM 3032 dual receivers allow the user to the system. Output
level adjustment, squelch control and a comprehensive LCD display are
there for the experienced user. A headphone socket per channel is a handy
facility for all users.
Metal casings are used throughout the range giving an improved RF
performance, and a greater robustness.
Where transmitter size is important we have the SK5012, which is much
smaller than the SK50/SK3063 pocket packs. There is a small cost for the
reduction in size, and the SK5012 does not indicate battery life on the
receiver as do all the other transmitters.
This guide has been written to assist the user who is new to this system to
get the result they are looking for with the minimum of time and worry. It
will also aid the experienced user whose memory needs a little help!
Fault finding is never easy, especially when you are under pressure. We
have added a section that may just save your reputation (and sanity)!

Pocket Pack Transmitters
SK50 & SK3063
These packs are identical in operation
and are distinguished by the silver
body of the SK50 and the black body of
the SK3063.
We supply these transmitters with the
aerials fitted. The connector (1) is a
screw-lock single pin Lemo connector.
It is important that the locking ring is
tight.
Microphones to fit socket (7) are either
fitted with a screwdown connector (as
the aerial) or more frequently with a
push to insert type; where a pull on
the barrel both unlocks and removes
the connector. Never unscrew this
style of connector as internal damage
results, often leaving the connector
stuck in the transmitter. This is a 3
pin Lemo connector, to prevent acci-
dental insertion in the aerial socket
(and vice versa).
The channel selector switch (2) is
screwdriver operated. Frequency allo-
cations are as shown on the front
panel (8).
5
7
6
4
3
1
2
8
There is a multi-segment LED display on the battery pack that gives an indication of
battery life (3). See the chart above.
The ON/OFF switch (4) is recessed to avoid accidental operation. When the transmit-
ter is on the LED (5) will light. This LED will flash in the event of input (microphone)
overload. Reduce gain on the screwdriver operated input gain control (6). We find that
a setting of 3 suits most applications.
To remove the battery pack you must first squeeze the
catches either side of the trasmitter as shown. Slide the
pack downwards while continuing the pressure on the
catches. Install MN1500 (AA) batteries. Replace battery
box by sliding back into position.

SK 5012
1 2 3
4
5
6
7
We supply these transmitters with the aerials
fitted. The connector (3) is a screw-lock single pin
Lemo connector. It is important that the locking
ring is tight.
Microphones to fit socket (1) are either fitted with
a screwdown connector (as the aerial) or more
frequently with a push to insert type; where a pull
on the barrel both unlocks and removes the
connector. Never unscrew this style of connector as
internal damage results, often leaving the
connector stuck in the transmitter. This is a 3 pin
Lemo connector, to prevent accidental insertion in
the aerial socket (and vice versa).
The channel selector switch (5) is screwdriver
operated. Frequency allocations are as shown on
the panel (7).
To open the battery cover you must squeeze the catches on
either side and move towards the hinge, as shown by the
small arrows on the diagram, on the left.
When they have reached the end of their travel you can
hinge the cover open. This gives access to change the battery
set of 2 x MN2400 (AAA). Please check for polarity when
inserting.
Open this cover to give access to the controls etc as below.
Close the cover when you have finished. It will close with a
click as the catches engage. This arrangement prevents
accidental access to the controls, but the LED (2) is still
visible.
When the On/Off switch (6) is moved to the ON position, the LED (2) lights. The LED
will start to blink about 30 mins before operation will cease. The rate of blinking will
increase as the battery life diminshes.
Screwdriver switch (4) is used to adjust the input gain. We test at a setting of 3, and
find this level suits most applications. If the input is overloaded the LED (2) will flash
brightly.
This is a particularly small transmitter, with a case size of 53 x 60 x 17 mm.

Hand Held Transmitter
To change the MN1604 (PP3) battery, you
must first unscrew the capsule as shown.
Pressing against the side of the battery
compartment cover will release the lid, allow-
ing the old battery to be removed.
Replace the battery, ensuring that the rubber
transit cover has been removed from the
battery terminal, and that the correct polarity
has been observed. The transmitter terminals
have been designed to prevent operation
should the battery be inserted with the wrong
polarity.
Close the cover and replace the capsule to
ready the transmitter for operation.
Press the button briefly in the end of the
transmitter, as shown, to turn the transmitter
on. There is a delay of about 2 seconds before
the self-test checks are complete and transmis-
sion begins.
Press the button for > 1 second to turn off.
SKM 3072
Battery status is shown by a row of segments
as illustrated on the left.
8 segments Full battery life
4 segments Half battery life
1 segment Nearly flat. alternates
with the screen display.
You can always monitor battery life on the
EM3032 receiver
Press the ribbed area on the cap body (A) and
then you can remove the cover by pulling in the
direction of (B). There are a variety of different
coloured covers, which may be changed to aid
identification.
A
B
Use the
between channel number and frequency.

Using the and /
some transmitter settings.
Function SET Adjust Store
Sensitivity
note 1 1 press Press SET > 1 sec
Channel
Change 2 presses Press SET > 1 sec
Assign Channel
Number 3 presses Press SET
> 1 sec
Power Lock
ON 4 presses Press SET > 1 sec
Power Lock
OFF 1 press note 2 Press SET > 1 sec
Sensitivity changes will be heard immediately, but levels will revert after
15 seconds if the new level is not stored.
note 1
note 2
Once the Power Lock is applied, all other settings are fixed. To alter
settings, first take the Power Lock off.
Frequency Allocations
1 854.900 5 856.575 9 860.400 13 repeat
2 855.275 6 857.625 10 860.900 14 repeat
3 855.900 7 858.200 11 861.200 15 repeat
4 856.175 8 858.650 12 861.750 16 repeat
All the frequencies shown can be used together, although it is worth noting that as the
number of frequencies in use increases, so does the likelihood of external conditions
affecting system performance. Always take great care over receiver aerial placement
when using a large number of channels together.

A
B
C
D
E
F
G
H
J
C
E
F
G
EM 3032 Receiver
1
2
2
3
3
44
5
5
6 61
Headphone socket 6.3 mm (¼in)
Headphone volume control
LCD display panel. Shows frequency information, RF data and battery life.
Frequency selection buttons
SET button for storing a selected frequency
On/off switch (per channel)
1
2
3
4
5
6
Fuse Holder and mains voltage selection
Mains connector
Squelch adjustment
Strain relief clamp for mains cable
Service test point
Audio output on 3pin XLR (balanced)
Audio output level control
Aerial connector B
Aerial connector A
A
B
C
D
E
F
G
H
J

Switch on by pressing the ON/Off switch(6).
The display will light (D1) to show the frequency in use. MUTE will also be lit.
If a transmitter is operating on this frequency there will be a delay of 4 seconds
before the display will change (D2) to show RF level, deviation and receiving aerial in
use (A or B).
D1
D2
Press the SET button (5). The text “FREQUENCY MHZ” will flash (D3).
Using 4), select a different frequency.
Press SET (5) for > 3 seconds to store the change. Confirmation of the change is
given by “FREQUENCY MHZ” ceasing to flash and “Sto” appearing when the rest of
the display goes off briefly.
Pressing SET briefly will cancel at any time during this operation.
D3

The SKM 3072, SK 50 and SK 3063
transmitters transmit a battery status
signal.
When 20 to 30 minutes battery life
remains, the receiver display shows
“LOW BATT” (D4).
If squelch is activated “MUTE” will
light, and the “LOW BATT” will extin-
guish. It will relight when a signal is
received from the transmitter.
D4