The Singing Machine SMG-151 Karaoke Machine User Manual


 
IMPORTANT SAFETY INSTRUCTIONS
ANTENNA
LEAD IN
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART250. PART H)
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC-NATIONALELECTRICAL CODE
S2898A
13. Power-Cord Protection
14. Protective Attachment Plug
16. Lightning
17. Power Lines
18. Overloading
19. Object and Liquid Entry
20. Servicing
21. Damage Requiring Service
22. Replacement Parts
23. Safety Check
24. Wall or Ceiling Mounting
25. Heat
- Power supply cords should be routed so that they are notlikely to be walked on or
pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience
receptacles,andthepointwherethey exitfromtheproduct.
- The product is equipped with an attachment plug having overload protection.
This is a safety feature. See Instruction Manual for replacement or resetting of protective device. If
replacement of the plug is required, be sure the service technician has used a replacement plug specified by
themanufacturerthathasthe sameoverloadprotectionastheoriginalplug.
- For added protection for this product during a lightning storm, or when it is left unattended and
unusedfor longperiodsof time,unplugit fromthewall outletanddisconnect theantennaor cablesystem.This
willpreventdamagetothe productduetolightningandpower-linesurges.
-Anoutsideantenna systemshouldnotbelocated inthevicinityofoverhead powerlinesorother
electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside
antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact
withthemmightbefatal.
- Do not overload wall outlets, extension cords, or integral convenience receptacles as this can
resultinariskof fireorelectricshock.
- Never push objects of any kind into this product through openings as they may
touchdangerous voltage pointsor short-outpartsthat couldresultina fireorelectricshock. Neverspillliquid of
anykindontheproduct.
- Donot attemptto service this productyourself as openingor removing coversmay expose youto
dangerousvoltageorotherhazards.Refer allservicingtoqualifiedservicepersonnel.
- Unplug this product from the wall outlet and referservicing to qualified service
personnelunderthefollowing conditions:
a) Whenthepower-supplycord orplugisdamaged,
b) Ifliquidhasbeenspilled, orobjectshavefallenintothe product,
c) Iftheproducthasbeen exposedtorainorwater,
d) If the product does not operate normally by following the operating instructions. Adjust only those
controls thatare coveredby theoperating instructions asan improperadjustment ofother controls may
result in damageand will often requireextensive workby aqualified technicianto restorethe productto
itsnormaloperation.
e) Iftheproducthasbeen droppedordamagedinanyway,and
f) Whentheproductexhibitsadistinct changeinperformance-thisindicatesaneedforservice.
- When replacement parts are required, be sure the service technician has used
replacement parts specified by the manufacturer or have the same characteristics as the original part.
Unauthorizedsubstitutionsmayresult infire,electricshock,orotherhazards.
-Upon completionofanyservice orrepairstothis product,asktheservice techniciantoperform
safetycheckstodeterminethat theproductisinproperoperatingcondition.
- The product should be mounted to awall or ceiling only as recommended by the
manufacturer.
- The product should be situated away from heat sources such as radiators, heat registers, stoves, or
otherproducts(includingamplifiers)thatproduce heat.
15. Outdoor Antenna Grounding - If an outside antenna is
connected to the receiver, be sure the antenna system is
groundedso astoprovidesome protectionagainstvoltagesurges
and built-up static charges. Article 810 of the National Electrical
Code, ANSI/NFPA70, provides information with regard to proper
grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna-discharge unit, size of grounding
conductors, location of antenna-discharge unit, connection to
grounding electrodes, and requirements for the grounding
Electrode.Seefigure:
E3
ENGLISH