NCR RealPOS 5953 - Hardware Service and Troubleshooting; Essential Safety Requirements

Chapter 6: Hardware Service
Safety Requirements
CarefullyfollowthesesafetyrequirementsbeforeservicingtheUSB
DynaKey.
Warning: TheDynaKeyLCDcontainshazardousvoltagesand
shouldonlybeservicedbyqualifiedservicepersonnel.
Warning: Beforeservicingtheequipmentplugyoursafetystrap
intoapropergroundingoutlet.Failuretodosocoulddamagethe
equipment.
Caution: Beforeservicingthe
USBDynaKey,powerdownthe
terminalorPCanddisconnecttheterminalACpowercord.Disconnect
thecablesfromtheworkstation.
Caution: Toprotecttheinternalcircuitryfromdamage,unplugthe
ACpowercordandthenmomentarilypressthepowerswitchONto
drainthepowersupplycapacitance.
Caution: Thepowersupply
cordisusedasthemaindisconnect
device.Ensurethatthesocketoutletislocated/installednearthe
equipmentandiseasilyaccessible.
Attention:Lecordond’alimentationestutilisécommeinterrupteur
général.Laprisedecourantdoitêtresituéeouinstalléeaproximitedu
matérieletêtrefaciled’accés.