JTS CS-120 Series, Manual, Page: 52 / 56

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7-3 Control Room
When applying PC system, the operator needs a room for operating the
computer and managing conference procedure. The room should be equipped
with a microphone, so the operator can remind the participants to conduct
related operation, such as voting and registration, through public broadcasting
system.
7-4 Ventilation
Keep good ventilation: Provide vents on the top of CU. Place CU on hard
horizontal ground for proper ventilation.
7-5 Exterior Cleaning
Do not use alcohol, ammonia or petroleum-based fluid or corrosive detergent
to clean the equipment. Remove the connection with the first conference unit,
and use soft cloth with some mild soap water to clean the exterior. Keep dry is
very important.
7-6 Storage
If the equipment is not used for a long time, disconnect all electric power.
Store the equipment in a dust-free and dry environment with good ventilation.