16 Unplug this apparatus during lighting
storms or when unused for long periods of
time. – Not applicable when special functions
al DDS 5900
6
s
are to be maintained, such as evacuation
systems.
17 Refer all servicing to qualified service
personnel. Servicing is required when the
apparatus has been damaged in any way,
such as powersupply cord or plug is
damaged, liquid has been spilled or objects
have fallen into the apparatus, the
apparatus has been exposed to rain or
moisture,doesnotoperatenormally,orhas
beendropped.
18 ReplacementParts‐Whenreplacementparts
arerequired,besuretheservicetechnicianhas
mentused replace parts specified by the
manufacturer or having the same
characteristicsastheoriginalpart.
Unauthorized substitutions may result in fire,
electricshockorotherhazards.
19 SafetyCheck‐Uponcompletionofanyservice
or repairs to this apparatus, ask the service
technician to perform safety checks to
determine that the apparatus is in proper
operatingcondition.
20 Overloading‐Donotoverloadoutletsand
extension cords as this can result in a risk of
fireorelectricshock.
21 Power Sources‐Thisapparatusshouldbe
operated only from the type of power source
indicated on the markinglabel.Ifyouarenot
sure of the type of power supply you plan to
use, consult your appliance dealer or local
powercompany.Forapparatusesintendedto
operate from battery power, or other sources,
refertotheoperatinginstructions.
22 Power Lines‐Anoutdoorsystemshouldnot
be located in the vicinity of overhead power
linesorotherelectriclightorpowercircuits,or
where it can fall into such power lines or
circuits. When installing an outdoor system,
extreme care should be taken to keep from
touchingsuchpowerlinesorcircuits,as
contactwiththemmightbefatal.
23
Object and Liquid Entry‐Neverpushobjects
of any kind into this apparatus through
openingsastheymaytouchdangerousvoltage
pointsorshort‐outpartsthatcouldresultina
fireorelectricshock.
Neverspillliquidofanykindontheapparatus.
Should any liquid or solid object fall into the
cabinet,unplugtheunitandhaveitcheckedby
qualifiedpersonnelbeforeoperatingitfurther.
2.1.1 Label
“Lightning Flash Symbol” with
the lightning flash with
arrowhead symbol within an
equilateraltriangle,isintendedto
alert the user to the presence of
un‐insulated"dangerous voltage"
withintheproductenclosurethat
m
constituteariskofs
aybeofsufficientmagnitudeto
hocktopersons.
“ExclamationPointSymbol”with
the exclamation point within an
equilateral triangle is intended
toalerttheusertothepresence
of important operating and
maintenance (servicing)
instructions in the literature
accompanyingtheproduct.
2.1.2 Note for Power Connections
Checkthatthevoltageofyourlocalpowersupplyis
withintheoperatingvoltageoftheunit.Ifavoltage
conversion is required, consult your DIS dealer or
qualifiedpersonnel.
SetthePowerswitchto‘Off’ifitisnotusedfor
n
severaldays.
Important: Theequipmentmustbecon ectedto
earth(ground)
T es in the main
equipment are colored i
followingcodes:
Green‐and‐yellow E d)
he wir lead supplied with the
n accordance with the
arth(Groun
User Manu