Philips HC410 Headphones User Manual


 
9
English
Troubleshooting
If a fault occurs,first check the points listed below before taking the set for repair.
If you are unable to remedy a problem by following these hints,consult your dealer or
service centre.
WARNING: Under no circumstances should you try to repair the set yourself, as this
would invalidate the warranty.
Problem Remedy
No sound – Check if the AC/DC adapter is fully inserted into the
AC outlet and that its DC connector is properly inserted
into the 12 Volt DC input connector located at the rear
of the transmitter.
– Check if the headphone’s on/off switch is in the on
position.
– Headphone batteries running low. Position the
headphone on the transmitter and contact. (See
Headphone power supply)
– Check if the audio source is switched on and tuned to
a channel with audio.
– Volume not adjusted.Adjust the volume on the audio
source/ headphone to a higher level.
– Adjust the headphone’s tuning frequency.Turn the
tuning knob until the signal is at its clearest and the
tuning indicator will light up.
– Make use of the HC412 transmitter.Some transmitters
already built into other equipment may not be
compatible with the HC415 headphone because of the
advanced technologies used in the HC415 headphone.
Distorted sound – Adjust the headphone’s tuning frequency.Turn the tuning
knob until the signal is at its clearest and the tuning
indicator will light up.
– Adjust the transmitter’s frequency. Select any of the
3 channels of the transmitter.Next adjust the
headphone’s frequency by turning the tuning knob until
the signal is at its clearest and the tuning indicator will
light up.
– Headphone batteries running low. Position the
headphone on the transmitter and contact. (See
Headphone power supply)
XP SBC HC 410/00 14-05-2001 14:23 Pagina 9