PureLink CSW620, Инструкция по эксплуатации

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14. TROUBLESHOOTING
No audio output signal: Check if the power supply works of TX and RX.
Check the audio connection on TX and RX.
Make sure the volume control of RX is in the desired
level.
If the red LED light of the TX is on, then there is no audio
signal active.
Background noise or signal interferences: Check the TX and RX are in the range of specification
Check if there are obstacles in the transmission range,
such as microwave oven etc.
Press the pairing key once to check if there is
interference again.
15. MAINTENANCE
There are no components located inside the product you need to maintain. Never open/dismantle
the product.
Maintenance, modifications and repairs are to be performed exclusively by an expert or at a qualified
shop.
If you have questions which remain unanswered by these operating instructions, contact our techni-
cal support service or other technical personnel.
16. CLEANING
Before cleaning the product must be disconnected from mains socket and all electrical loads.
Before cleaning the product it must be disconnected from all other connected products.
Only use dry and soft cloth to clear the housing of the Product.
Do not use abrasive or solvents.
Do not use any aggressive cleaning agents, rubbing alcohol or other chemical solutions as they can
cause damage to the housing and malfunctioning.
To clean the product, a dry, soft and clean cloth is sufficient. Do not apply too much pressure to the
housing as this may cause scratch marks.
You can easily remove dust using a long-haired, soft and clean brush.