Sennheiser SI 30 Users Manual
INSTRUCTIONS FOR USE
SI 30
9
Operation indicator,
green LED
11 infra-red diodes
BRIEF DESCRIPTION
Infra-red two-channel modulator used in conjunction with Sennheiser infra-red receivers to set up a cordless sound transmission
system.
• SI 30 infra-red two-channel modulators have sufficient IR capa
city to cover rooms of up to 80 m2 (mono) or 40 m2 (stereo).
• SI 30 infra-red two-channel modulators are an integral part of
Sennheiser´s modular design concepts which allow added flexi
bility in the setting up of cordless sound transmission systems.
A list of available accessories comes with the SI 30.
FEATURES
• Automatic on/off function
• Operation indicator (green LED)
• Mode selection switch for selection of carrier frequencies
• Automatic volume control
• RF output for connection of infra-red radiators
SUITABLE INFRARED RECEIVERS FROM SENNHEISER
RI 150, RI 250, RI 250-J, RI 300, RI 500, RI 250-S, HDI 302, HDI 380
-
-
10
Power supply socket
(S)
RF output (Z) for
AF input (N)
Mode selection switch (B)
Channel 1, 2, Stereo
connection of
infra-red radiators
INSTALLATION
• Position the modulator as high as possible (eye-level). Make sure
that the diodes point at the receivers.
• Do not cover the diodes! Do not obstruct the path of the light
between the modulator and the receiver.
MAINS CONNECTION
Connect the NT 20 plug-in mains unit to the mains. Plug the cable
into power supply socket (S) on the SI 30. Pay attention to the cor
-
rect direction of the plug.
AF CONNECTION
Use the AF connection cable to connect the AF input (N) on the SI 30
to the headphone socket of the sound source.
Please contact your nearest dealer if your sound source has no
3.5 mm or 6.3 mm socket.
RF OUTPUT FOR CONNECTION OF INFRARED RADIATORS
Connect SZI 1029, SZI 1015 or SZI 30 infra-red radiators to provide
sufficient IR capacity for larger rooms. The SZI 1029, SZI 1015 and
SZI 30 connect to the 3.5 mm mono jack socket (Z) on the SI 30
modulator (please see list of available accessories).
11
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