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User and Installation Guide

Page 5

R

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Problems and Solutions Table

What Is
Happening

Possible Why

What to Do

Transmit light of
transmitter does
not light when
DC power is
applied

Faulty AC adapter
or faul ty power  outlet

Check the power outlet and the
AC adapter, if possi ble, check for
correct voltage of the adapter.

No audio present at
audio input

Check the audio connection to
the transmitter and ensure that
there is audio present.

Transmit light
goes out after 5
seconds and
does not light
again

Transmitter hung up

Disconnect and then reconnect
DC power.

Batt eries em pty or
plus contact of
batteries deformed

Check battery voltage, also
check that plus contact of both
batteries touch plus contact of
batt ery compartment,
repla ce batt eries if necessary

Volum e contr ol at
minimum

Slowly increase volume at the
headphones

No audio at
headphones

Receiver hung up

Switch headphone power off and
on

Audio is
distorted

Audio level too high

Ensure that the audio level
provided by the audio device
conforms to the line output level.
If possible, lower  the audi o level.

Stro ng interference

In som e cases, ther e may be
stron g interference pr eventi ng
proper transmission of the audio
signal, such as 5.8 GHz cor dless
telephones or wireless networks
etc. Try to el iminat e the
interference or r elocat e the
transmitter.

Batteries empty

Check t he batt eries and repl ace
them if necessary.

Audio at
headphones
drops out
intermittently

Unstable power
supply

Make sure that the power outlet
delivers a st able vol tage. V ery
strong surges or voltage
fluctuations may cause audio
dropouts. Try using a surge
protector.

For more information, including a detailed troubleshooting guide, 
visit the Amphony web site at: www.amphony.com

Содержание H500

Страница 1: ...R R User and Installation Guide 5 8 GHz DIGITAL Wireless Headphones Model 500 ...

Страница 2: ... the dynamic range of the transmitter is not fully used If the audio level is too high clipping at high audio levels may occur If clipping occurs either use an adjustable output such as a headphones output or use an Amphony audio level attenuator Connect the DC power input with the supplied AC adapter The use of a surge protector is recommended to protect the transmitter from power surges L AUDIO ...

Страница 3: ...irst example there are 4 walls between the transmitter and the receiver The transmission may be interrupted By locating the transmitter such as in the second example reliable transmission to all of the 6 rooms is possible Also the elevation of the transmitter as well as the presence of reflecting walls will influence the range It is suggested to experiment in order to find the best location for th...

Страница 4: ...tment until the plus pole can slide into the battery compartment The battery should snap into place Be sure to only use batteries with a well formed plus pole to ensure proper contact between the plus pole of the battery and the plus pole inside the battery compartment and also to ensure that the battery will not slide out of the battery compartment unintentionally Finally close the battery lid by...

Страница 5: ...ery life When no audio is present anymore the transmitter will go into standby mode after approximately 1 minute The transmit light will go out During standby mode no signal is transmitted If the headphones are not used for an extended period of time remove the AC adapter from the power outlet 5 8 GHz Digital Audio Transmitter 5 8 GHz Digital Audio Transmitter R R T R A N S M I T T R A N S M I T T...

Страница 6: ...ssary Volume control at minimum Slowly increase volume at the headphones No audio at headphones Receiver hung up Switch headphone power off and on Audio is distorted Audio level too high Ensure that the audio level provided by the audio device conforms to the line output level If possible lower the audio level Strong interference In some cases there may be strong interference preventing proper tra...

Страница 7: ...erference that may cause undesired operation Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Technical Specifications Transmitter Audio transmission method Digital Transmitter frequency 5 8 GHz Signal to Noise ratio A weighted typ 93 dB Dynamic range typ 93 dB Channel separation typ 91 dB H...

Страница 8: ... improper or neglected maintenance This warranty does not cover equipment sold AS IS or WITH ALL FAULTS equipment removal or reinstallation shipping damage if the equipment was not packed and shipped in the manner we prescribe nor equipment purchased serviced or operated outside the contiguous United States of America LEGAL LIMITATIONS REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS YOUR EXCLUSIVE ...

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