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12 – Audio Input:
Receives audio from selected source (i.e. television, home entertainment system,
etc.) via one of two audio cables included. In most cases, use 3.5mm (black) from audio input to
RCA (red, white) Audio output on audio source. The second cable, 3.5mm (black) to 3.5mm (black),
will connect to earphone jack but may cause external speakers to mute. Phono adapter can be used
with this cable to connect to audio amplifiers, etc. using 1/4” jack.
TONE ALERTS AND LED INDICATORS FOR RECEIVERS
The Sound Associate 1520 Series Receivers use a tone alert system and LED indicators to assist in
trouble shooting. LED indicators are found on the back of the receiver and are recessed. The following is
a list of tones heard on and LED lights displayed on these receivers:
Tone Heard
LED Indicator
(located on back of receiver
Indicates
Long Beep
followed by:
1 short beep
2 short beeps (*)
3 short beeps (*)
Sustained Green LED
followed by:
1 green LED flash
2 green LED flashes
3 green LED flashes
Unit is set to Ch 1 (2.3 MHz)
Unit is set to Ch 2 (2.8 MHz)
Unit is set to Ch 3 (95 kHz)
6 short beeps
6 green LED flashes
Unit is not receiving infrared signal
No infrared signal is present
Long Repeating Beep
Sustained Red LED
Low battery
TROUBLESHOOTING
Symptom
Cause/Remedy
No static and no audio in the receiver
The receiver is not powered or the infrared light is being
received with no audio signal “on its back”
Make sure...
...the volume on the receiver is turned up
...the receiver battery is charged and secured firmly in
place
…the audio input is plugged into the transmitter and
functioning properly
…the volume on the transmitter is turned up
Signal is received but with some static in the
receiver
The infrared signal is too weak or high levels of infrared
light are interfering with the transmission
Make sure...
...transmitter is in direct view of the receiver
…sunlight or intense light is not shining into the receiving
diodes
