Listening to audio from equipment connected to the transmitter
If the sound is broken or noisy when the headphones are in use (Setting the most appropriate frequency)
The sound may be broken or noisy if the headphones are used outside the range of the radio waves or if the reception becomes poor due to the interference from other wireless equipment using the 2.4 GHz radio frequency band, a microwave etc.
Perform the following steps to manually reset the appropriate frequency for transmitting.
Press [ID/TUNING] on the transmitter once.
●The ID/TUNING lamp on the transmitter glows green, the transmitter changes the frequency and then radio waves
start being transmitted.
● The headphones will automatically detect the emitted frequency and noise and sound distortion will stop.
When the noise or sound distortion does not stop
Repeat the above step until the most appropriate frequency is set.
●This may not solve the problem if the headphones are being affected by a digital cordless telephone or other device. In this case, moving the transmitter and the headphones as far as possible from the digital cordless telephone or other device may stop the noise or sound distortion.
Selecting the surround field
Press [SURROUND] to select the desired surround mode.
Each time the button is pressed
● The SURROUND lamp for the selected mode will come on. ● This will go off, if “OFF” is selected.
● If the AC adaptor is disconnected and then connected, CINEMA is automatically selected.
Surround mode | Surround mode and suitable input source | |
OFF | For normal headphone play | |
MUSIC | When playing music sources for enhanced acoustics | |
CINEMA | When playing movie sources for greater audio impact | |
Creates a feeling close to being actually part of the scene. | ||
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| When playing sports game sources | |
VOICE | Reproduces the excitement of being in a stadium at a noisy sports scene while making | |
| the sound of the announcer or commentator easier to hear. |
For your reference
●Depending on the signal being input, volume may vary when changing between surround modes.
●There is no surround effect when playing a monaural source.
RQT8948 | Maintenance | |
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To clean this unit, wipe with a soft, dry cloth. | ||
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| ● Never use alcohol, paint thinner, or benzine to clean this unit. |
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| ● Before using chemically treated cloth, read the instructions that came with the cloth carefully. |
Troubleshooting guide
Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the |
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remedies indicated in the chart do not solve the problem: |
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refer to the “Limited Warranty” on page 66 if you reside in the U.S.A., or refer to the "Limited Warranty" on page 67 |
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if you reside in Canada. |
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| ENGLISH | |
Take both the headphones and the transmitter when you visit your dealer. |
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Problem | Possible cause and suggested remedy |
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No sound. | y Check that the AC adaptor is connected to the transmitter ( | page 6). |
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yCheck that the transmitter and the AV equipment are connected
( page 9 to 10).
yTurn on the AV equipment connected to the transmitter and start play on it. Check
that the OPR/CHARGE lamp on the transmitter lights green ( page 12).
yCheck that the transmitter’s INPUT SELECT control is set correctly for the connected
equipment ( page 12).
yIf the transmitter is connected to the headphone jack, turn up the volume on the
connected equipment ( page 10).
yPut the headphones on again.
yTurn up the volume on the headphones ( page 12).
yThe MUTING function is activated ( page 13). ● Move into the range of the radio waves.
yThe headphones’ OPR lamp is not on ( page 8).
●The supplied rechargeable battery has run down. Recharge them or replace the alkaline dry cell batteries with new ones. If the OPR lamp is still off, take the unit to your dealer.
ySet the digital output setting on the connected equipment to “ON” if digital input is selected.
yYou are playing a DTS audio track on a DVD player that is not compatible with DTS
( page 10).
● Use a DTS compatible DVD player or select a PCM or Dolby Digital track.
yYou are playing a DVD recorded in DTS audio on a DVD player (includes game machines) when “OFF” has been selected for the DVD player’s DTS digital output
setting ( page 10).
● Set the DVD player’s DTS digital output setting to “ON”.
yYou are playing a DVD recorded in DTS audio on a DVD player (includes game
machines) connected to this unit with an analog connection ( page 10).
Sound is low. | y If analog input is selected, switch the transmitter’s ATT control to “0 dB” | ||
| ( | page 10). |
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| y If the transmitter is connected to the headphone jack, turn up the volume on the | ||
| connected equipment ( | page 10). |
yTurn up the volume on the headphones ( page 12).
Sound is distorted. | y If analog input is selected, switch the transmitter’s ATT control to |
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| ( | page 10). |
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| y If the transmitter is connected to the headphone jack, turn the volume down on the | RQT8948 | |||
| y Set “CINEMA”, “MUSIC” or “VOICE” with the SURROUND button on the transmitter | ||||
| connected equipment ( | page 10). |
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| when playing a DTS source. |
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