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04
Important Safety Precautions
Safety checks
Upon completion of service or maintenance, request
the service technician to perform safety checks to
ensure that the display unit is in proper operating
condition.
Environment
The display unit only operates within the
temperature 0 C to 40 C.Operation outside of the
recommended may cause damage to your product.
Replacement parts
In case the display unit needs replacement parts,
make sure that the service technician uses replacement
parts specified by the manufacturer, or those with
the same characteristics and performance as the
original parts. Use of unauthorized parts can result
in fire, electric shock and/or other danger.
Repair
When the display unit displays an abnormal
condition, any noticeable abnormality in the display
unit indicates that the display unit needs servicing.
If any of the following conditions occurs, unplug
the AC cord from the AC outlet, and request a
qualified service person to perform repairs.
1.A liquid was spilled on the display unit or objects
have fallen into the display unit.
2.The display unit has been exposed to rain or water.
3.The display unit has been dropped or damaged.
Warning
When installing or realigning an
outside antenna system, extreme
care should be taken to keep from
touching such power lines or circuits.
Contact with them could be fatal.
Antenna and satellite grounding
Reference
Grounding component
1
2
3
4
5
6
7
Electric service equipment
Power service grounding electrode
system (NEC Art 250. Part H)
Ground clamps
Grounding conductors (NEC Section
810-21)
Antenna discharge unit (NEC Section
810-20)
Grounding clamp
Antenna lead-in wire
11
22
33
44
55
66
77
Prevent the display unit from falling
Please select the fit-sized screws and wire ropes to fasten
the display unit on the wall to prevent it from falling
immediately when the earthquake happens.
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