32
Location and Function of Parts and Controls
SX-1070A/1130A Infrared Transmitter
SX-1130A Infrared Transmitter
1
POWER indicator
Lights when the power is turned on.
2
POWER switch
Turns the power on or off.
3
NORMAL indicators
Light (in green) when a signal of the optimum level is
input to the AUDIO CHANNEL INPUT connector on
the rear panel.
4
OVER indicators
Light (in red) when a signal of too high a level is
input to the AUDIO CHANNEL INPUT connector on
the rear panel. If these indicators light, reduce the
output level of the source equipment.
5
TEST buttons
Press to output a test signal, used to test the receiver’s
operation, from the RADIATOR connector on the
rear panel. Press the button corresponding to the
channel to be tested. The external input signal output
is stopped and the test signal is output. The button
lights.
The test signal frequencies are as follows.
TEST SIGNAL (SX-1130A)
6
RESET button
Press to stop test signal output. The pressed and lit
TEST button goes out and the system is reset to
normal operation (input signal is output).
7
RADIATOR output connectors (BNC- type)
Output the pulse signal. Connect to the infrared
radiators in the conference hall. Both connectors
output the same signal.
8
AUDIO CHANNEL INPUT connectors
(phono jack)
Input analog program audio signals. When using this
system with the SX-M700A Control Console, connect
to the LINE OUT connector of the desired channel.
You can also connect to the audio output connector of
a tape recorder, microphone mixer and so on.
9
AC IN (AC power input) connector
Connect to an AC outlet using the supplied AC power
cord.
Front panel
Rear panel
Frequency
Channel
440 Hz
ORG, CH3, CH6, CH9, CH12
880 Hz
CH1, CH4, CH7, CH10
1,760 Hz
CH2, CH5, CH8, CH11
7
RADIATOR connectors
1
POWER indicator
2
POWER switch
3
NORMAL indicators
4
OVER indicators
8
AUDIO CHANNEL INPUT connectors
9
AC IN connector
5
TEST buttons
6
RESET button