English
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. Open the | |
| headphone’s battery compartment.Take out the | |
| batteries and replace them with fresh batteries. | |
| (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 wheel until the signal is at its clearest. | |
| – Make use of the HC332 transmitter. Some transmitters | |
| already built into other equipment may not be | |
| compatible with the HC305 headphone because of the | |
| advanced technologies used in the HC305 headphone. | |
|
|
|
Maintenance | – If the headphone will not be used for a long time, | |
| please remove the batteries to prevent leakage and | |
| corrosion. | |
| – Do not leave the headphone near heat sources. Do | |
| not expose to direct sunlight, excessive dust, moisture, | |
| rain or any kind of mechanical shock. | |
| – Do not use alcohol, thinner or | |
| substances to clean the headphone or transmitter. Use a | |
| slightly dampened chamois cloth to clean the housing. | |
| – Do not use cleaning agents containing alcohol, spirits, | |
| ammonia or abrasives as these may harm the housing. | |
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