Troubleshooting guide
Before requesting service, make the following checks. If you are in doubt about any of the check points, or if the
remedies indicated in the chart do not solve the problem, consult your dealer for instructions.
Problem
Probable cause(s)
Suggested remedy
No sound.
Is the audio-visual equipment that the
transmitter is connected to on?
Turn the audio-visual equipment on.
Are the audio-visual equipment and the
transmitter connected?
Connect the audio-visual equipment correctly and
ensure the plug is properly inserted.
Isn’t the volume too low?
Turn up the volume of the connected audio-visual
equipment.
Turn up the volume on the headphone unit.
Sound is distorted.
Isn’t the input level of the audio signal too
high?
Turn down the volume of the connected audio-visual
equipment.
Excessive noise.
Isn’t there an obstruction between the
transmitter and the headphone unit?
Remove the obstruction, move the transmitter, or
change your listening location.
● Aren’t other radio waves obstructing the
transmitter’s waves?
● Are the transmission frequency and the
receiver’s frequency tuned correctly?
Change the transmitter channel with [CHANNEL]
switch and then press [POWER
/TUNING]
button on the headphone unit to the position of least
interference.
Isn’t the input level of the audio signal too
low?
Turn up the volume of the connected audio-visual
equipment.
No sound, sound is
distorted, or there is
excessive noise.
Is [OPR] indicator dim or does it fail to light
at all?
The battery has run down. Recharge the battery. If the
charge time and operating time become shortened, the
battery may have run down. (Number of charging times
of the installed battery: Approximately 500.)
General
Modulation system
Stereo Frequency modulation system
Carrier frequency range
863 MHz to 865 MHz
Transmitting distance
up to 100 m
Operating temperature range
0 °C to 40 °C
Operating humidity range
35% to 80% RH (no condensation)
Charging temperature range
10 °C to 35 °C
Operating time
IN-EAR type Approx. 20 hours
Bone Conduction type Approx. 10 hours
Charging time
Approx. 2.5 hours
RF Stereo Transmitter
Power supply
DC 12 V, 300 mA
(Using AC Adaptor, supplied)
Dimensions (W×H×D)
Approx. 96 mm x 104 mm x 91 mm
Mass
Approx. 155
g
RF Stereo Headphones
Frequency response
IN-EAR type 20 Hz to 16,000 Hz
Dimensions (W×H×D)
IN-EAR type Approx. 146 mm x 270 mm x 26 mm
Bone Conduction type
Approx. 146 mm x 270 mm x 36 mm
Mass
IN-EAR type Approx. 67
g
Bone Conduction type Approx. 80
g
Note
Actual life of the battery will depend on operating
conditions.
Specifications are subject to change without notice.
Specifications
SQT1337
23
ENGLISH
11
