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INFRAREDPOWER RADIATOR
SZI1011
Introduction
This infrared power radiator wh ich has been optimized for mono-
aural operation with the control transmitter SI1 011 , converts the
electrical signal delivered by the control transmitter into
modulated infrared light. The supply voltage is derived from the
power supply of the transmitter. It is capable to feed up to 8
radiators which have to be connected via the cable GZL 1012.
Additional power supplies are necessary if more than 8 power
radiators are to be operated.
Description
The infrared light is emitted by the 12 infrared LEDs which are
fitted to the fra nt side of radiator. The red LED at the left side
serves as function contro!. In case the power stage of the radiator
becomes defective the LED will turn off.
For connection to the SI1 011 the radiator is equipped with a 3 m
cable which is fitted with a 5-pin plug. For the wiring please refer
to the Technical Data.
Installation
When installing the radiator, please keep in mind that the radiated
infrared light should reach the lens of the receiver without being
obstructed by obstacles. The best solution would be the visual
contact between radiator and receiver. To achieve an optimal
distribution of infrared light within the room, the radiator should be
installed as high as possible with a slight tilt downwards.
!
For mounting purposes the radiator is equipped with a 3;g"-thread
to fit the table clamp MZT 237 or the floor stand MZS 142 for
portable use. The twin bar MZS 235 enables two SZI1 011 to be
mounted on it.
The connection between control transmitter and the radiators is
established with the contral cable GZL 1012. This cable is 38 m
long and is fitted with four 5-pin connection sockets. For
permanent installation the special contra I cable 12-1036 may be
ordered per meter from Senn heiser.
Hint for project planning
The following rule of thumb is valid to determine the number of
pO,werradiators required:
Foran areaof 3
-
5 m2one diode is necessary,that meansone
power radiatorcovers up to 36
-
60 m2.
\
J
Input level
Frequeney
Frequeney range
Input impedanee
Wavelength
of radlated inlrared light
Radlated power
DC-supply
voltage
Funetion mdleator
Dimensions
Length 01eonneelion
eable
Conneetor
300-1000mV
95 kHz
10-180
kHz (- 3 dB)
appx. 25 kQ
950 nm
appx. 100 mW
27 - 34 V
by LED, red
200 x 80 x 23 10m
3m
Tuchei, No. T 3360-002
or Binder,
No. 09-0013-00-05
Pin 4
~
RF
Pm 2
~
sereen
Pm3
~
- supply voltage
Pm 5
~
+
supply voltage
appx. 450 g
Connections
We reserve the rlght to alter speeifleatlons,
10partleular,
wlth regard to teehnieal improvements.
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