Cleaning and maintaining the conference system
Direct Access | 30 Units |
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Setting the volume of the conference units’ built-in loudspeakers
You can set the volume of the conference units’
CAUTION
Danger of hearing damage due to loud hissing!
When the floor channel volume is set to a high level or when several participants speak simultaneously, feedback noise (loud hissing) can occur. This can cause hearing damage.
Reduce the floor channel volume (see below).
Make sure that the “Audio Gain Reduction” function is activated (see page 14). This function reduces the gain per active micro- phone by the selected level and thus prevents feedback noise.
Increase the distance between the individual conference units to at least 50 cm.
Turn the jog dial
–to the right to increase the volume or
–to the left to reduce the volume.
Cleaning and maintaining the conference system
CAUTION
Liquids can damage the product!
Liquids entering the product can cause a
Solvents or cleansing agents can damage the surfaces of the product.
Keep all liquids away from the product.
Do not use any solvents or cleansing agents.
Before cleaning, switch the product off and disconnect the central unit from the mains.
Only use a dry and soft cloth to clean the product.
To ensure optimum cooling of the central unit:
Clean the air vents on the front, back and bottom from time to time with a soft brush or paintbrush in order to avoid dust deposits.
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ADN CU1 17