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User Manual BDS4222B/V/R
5
■ Outdoor Antenna Grounding:
● If an outside antenna is connected to the receiver, be sure the
antenna system is grounded so as to provide some protection
against voltage surges and built up static charges.
● Section 810 of the National Electric Code, ANSI/NFPA
No. 70-1984, provides information with respect to proper
grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, size of grounding
connectors, location of antenna-discharge unit, connection
grounding electrodes, and requirements for the grounding
electrode.
■ Object and Liquid Entry:
Care should be taken so that objects do not fall and liquids are not
spilled into the enclosure through openings.
■ Battery Usage:
CAUTION: To prevent battery leakage that may result in bodily
injury, property damage, or damage to the unit.
● Install all batteries correctly, with + and - aligned as marked on
the unit.
● Do not mix batteries (old and new or carbon and alkaline, etc.).
● Remove batteries when the unit is not used for a long time.
1.2 WARNINGS AND PRECAUTIONS
1.2.1 NOTE TO THE CATV SYSTEM INSTALLER
This reminder is provided to call the CATV system installer’s attention
to Article 820-40 of the NEC that provides guidelines for proper
grounding and, in particular, specifies that the cable ground must be
connected to the grounding system of the building, as close to the point
of cable entry as practical.
KNOW THESE SAFETY SYMBOLS
■ This lightning flash with arrow-head within a triangle indicates
uninsulated material within your unit, which can cause an electric
shock. For the safety of everyone in your household, do not remove
product cover.
■ For the safety of everyone in your household, do not remove
product cover. The exclamation point within a triangle calls
attention to features for which you mustread the enclosed literature
closely to prevent operating and maintenance problems.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT REMOVE COVER (OR BACK). NO
USER SERVICEABLE PARTS INSIDE. REFER SER-
VICING TO QUALIFIED SERVICE PERSONEL. a